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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
1377.6
monetaryItemType
table: <entity> 1377.6 </entity> <entity type> monetaryItemType </entity type> <context> Total Operating Revenue | 1,259.3 | 118.3 | 1,377.6 | 193.1 | 1,570.7 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
193.1
monetaryItemType
table: <entity> 193.1 </entity> <entity type> monetaryItemType </entity type> <context> Contracts with Customers – Non-utility | — | $ 110.7 | 110.7 | $ 193.1 | 303.8 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
1570.7
monetaryItemType
table: <entity> 1570.7 </entity> <entity type> monetaryItemType </entity type> <context> Total Operating Revenue | 1,259.3 | 118.3 | 1,377.6 | 193.1 | 1,570.7 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
—
monetaryItemType
table: <entity> — </entity> <entity type> monetaryItemType </entity type> <context> Contracts with Customers – Utility | $ 1,259.3 | — | $ 1,259.3 | — | $ 1,259.3 </context>
us-gaap:CostOfGoodsAndServicesSold
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
56.7
monetaryItemType
table: <entity> 56.7 </entity> <entity type> monetaryItemType </entity type> <context> Cost of Sales – Non-utility | — | 56.7 | 56.7 </context>
us-gaap:CostOfGoodsAndServicesSold
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
171.9
monetaryItemType
table: <entity> 171.9 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization | 171.9 | 58.6 | 230.5 </context>
us-gaap:DepreciationDepletionAndAmortization
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
58.6
monetaryItemType
table: <entity> 58.6 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization | 171.9 | 58.6 | 230.5 </context>
us-gaap:DepreciationDepletionAndAmortization
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
230.5
monetaryItemType
table: <entity> 230.5 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization | 171.9 | 58.6 | 230.5 </context>
us-gaap:DepreciationDepletionAndAmortization
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
57.4
monetaryItemType
table: <entity> 57.4 </entity> <entity type> monetaryItemType </entity type> <context> Taxes Other than Income Taxes | 57.4 | 10.7 | 68.1 </context>
us-gaap:TaxesOther
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
10.7
monetaryItemType
table: <entity> 10.7 </entity> <entity type> monetaryItemType </entity type> <context> Taxes Other than Income Taxes | 57.4 | 10.7 | 68.1 </context>
us-gaap:TaxesOther
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
68.1
monetaryItemType
table: <entity> 68.1 </entity> <entity type> monetaryItemType </entity type> <context> Taxes Other than Income Taxes | 57.4 | 10.7 | 68.1 </context>
us-gaap:TaxesOther
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
18.6
monetaryItemType
table: <entity> 18.6 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:SegmentReportingOtherItemAmount
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
71.3
monetaryItemType
table: <entity> 71.3 </entity> <entity type> monetaryItemType </entity type> <context> Other Segment Items (a) Other Segment Items (a) | ( 18.6 ) | 71.3 | 52.7 </context>
us-gaap:SegmentReportingOtherItemAmount
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
52.7
monetaryItemType
table: <entity> 52.7 </entity> <entity type> monetaryItemType </entity type> <context> Other Segment Items (a) Other Segment Items (a) | ( 18.6 ) | 71.3 | 52.7 </context>
us-gaap:SegmentReportingOtherItemAmount
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
149.9
monetaryItemType
table: <entity> 149.9 </entity> <entity type> monetaryItemType </entity type> <context> Net Income Attributable to ALLETE | $ 149.9 | $ 16.3 | $ 166.2 | $ 23.1 | $ 189.3 </context>
us-gaap:NetIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
16.3
monetaryItemType
table: <entity> 16.3 </entity> <entity type> monetaryItemType </entity type> <context> Net Income Attributable to ALLETE | $ 149.9 | $ 16.3 | $ 166.2 | $ 23.1 | $ 189.3 </context>
us-gaap:NetIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
166.2
monetaryItemType
table: <entity> 166.2 </entity> <entity type> monetaryItemType </entity type> <context> Net Income Attributable to ALLETE | $ 149.9 | $ 16.3 | $ 166.2 | $ 23.1 | $ 189.3 </context>
us-gaap:NetIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
23.1
monetaryItemType
table: <entity> 23.1 </entity> <entity type> monetaryItemType </entity type> <context> Net Income Attributable to ALLETE | $ 149.9 | $ 16.3 | $ 166.2 | $ 23.1 | $ 189.3 </context>
us-gaap:NetIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
189.3
monetaryItemType
table: <entity> 189.3 </entity> <entity type> monetaryItemType </entity type> <context> Net Income Attributable to ALLETE | $ 149.9 | $ 16.3 | $ 166.2 | $ 23.1 | $ 189.3 </context>
us-gaap:NetIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
11.7
monetaryItemType
table: <entity> 11.7 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization | $ 171.9 | $ 58.6 | $ 230.5 | $ 11.7 | $ 242.2 </context>
us-gaap:DepreciationDepletionAndAmortization
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
242.2
monetaryItemType
table: <entity> 242.2 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization | $ 171.9 | $ 58.6 | $ 230.5 | $ 11.7 | $ 242.2 </context>
us-gaap:DepreciationDepletionAndAmortization
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
58.1
monetaryItemType
table: <entity> 58.1 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:InterestExpenseNonoperating
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
2.3
monetaryItemType
table: <entity> 2.3 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:InterestExpenseNonoperating
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
60.4
monetaryItemType
table: <entity> 60.4 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:InterestExpenseNonoperating
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
14.8
monetaryItemType
table: <entity> 14.8 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:InterestExpenseNonoperating
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
75.2
monetaryItemType
table: <entity> 75.2 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:InterestExpenseNonoperating
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
19.3
monetaryItemType
table: <entity> 19.3 </entity> <entity type> monetaryItemType </entity type> <context> Equity Earnings | $ 19.3 | — | $ 19.3 | $( 0.6 ) | $ 18.7 </context>
us-gaap:IncomeLossFromEquityMethodInvestments
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
—
monetaryItemType
table: <entity> — </entity> <entity type> monetaryItemType </entity type> <context> Contracts with Customers – Utility | $ 1,259.3 | — | $ 1,259.3 | — | $ 1,259.3 </context>
us-gaap:IncomeLossFromEquityMethodInvestments
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
0.6
monetaryItemType
table: <entity> 0.6 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:IncomeLossFromEquityMethodInvestments
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
18.7
monetaryItemType
table: <entity> 18.7 </entity> <entity type> monetaryItemType </entity type> <context> Equity Earnings | $ 19.3 | — | $ 19.3 | $( 0.6 ) | $ 18.7 </context>
us-gaap:IncomeLossFromEquityMethodInvestments
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
10.4
monetaryItemType
table: <entity> 10.4 </entity> <entity type> monetaryItemType </entity type> <context> Income Tax Benefit | $ 10.4 | $ 15.4 | $ 25.8 | $ 5.4 | $ 31.2 </context>
us-gaap:IncomeTaxExpenseBenefit
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
15.4
monetaryItemType
table: <entity> 15.4 </entity> <entity type> monetaryItemType </entity type> <context> Income Tax Benefit | $ 10.4 | $ 15.4 | $ 25.8 | $ 5.4 | $ 31.2 </context>
us-gaap:IncomeTaxExpenseBenefit
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
25.8
monetaryItemType
table: <entity> 25.8 </entity> <entity type> monetaryItemType </entity type> <context> Income Tax Benefit | $ 10.4 | $ 15.4 | $ 25.8 | $ 5.4 | $ 31.2 </context>
us-gaap:IncomeTaxExpenseBenefit
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
5.4
monetaryItemType
table: <entity> 5.4 </entity> <entity type> monetaryItemType </entity type> <context> Income Tax Benefit | $ 10.4 | $ 15.4 | $ 25.8 | $ 5.4 | $ 31.2 </context>
us-gaap:IncomeTaxExpenseBenefit
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
31.2
monetaryItemType
table: <entity> 31.2 </entity> <entity type> monetaryItemType </entity type> <context> Income Tax Benefit | $ 10.4 | $ 15.4 | $ 25.8 | $ 5.4 | $ 31.2 </context>
us-gaap:IncomeTaxExpenseBenefit
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
4291.4
monetaryItemType
table: <entity> 4291.4 </entity> <entity type> monetaryItemType </entity type> <context> Assets | $ 4,291.4 | $ 1,873.3 | $ 6,164.7 | $ 680.9 | $ 6,845.6 </context>
us-gaap:Assets
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
1873.3
monetaryItemType
table: <entity> 1873.3 </entity> <entity type> monetaryItemType </entity type> <context> Assets | $ 4,291.4 | $ 1,873.3 | $ 6,164.7 | $ 680.9 | $ 6,845.6 </context>
us-gaap:Assets
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
6164.7
monetaryItemType
table: <entity> 6164.7 </entity> <entity type> monetaryItemType </entity type> <context> Assets | $ 4,291.4 | $ 1,873.3 | $ 6,164.7 | $ 680.9 | $ 6,845.6 </context>
us-gaap:Assets
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
680.9
monetaryItemType
table: <entity> 680.9 </entity> <entity type> monetaryItemType </entity type> <context> Assets | $ 4,291.4 | $ 1,873.3 | $ 6,164.7 | $ 680.9 | $ 6,845.6 </context>
us-gaap:Assets
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
6845.6
monetaryItemType
table: <entity> 6845.6 </entity> <entity type> monetaryItemType </entity type> <context> Assets | $ 4,291.4 | $ 1,873.3 | $ 6,164.7 | $ 680.9 | $ 6,845.6 </context>
us-gaap:Assets
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
165.4
monetaryItemType
table: <entity> 165.4 </entity> <entity type> monetaryItemType </entity type> <context> Equity Investment | $ 165.4 | — | $ 165.4 | $ 157.3 | $ 322.7 </context>
us-gaap:EquityMethodInvestments
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
—
monetaryItemType
table: <entity> — </entity> <entity type> monetaryItemType </entity type> <context> Contracts with Customers – Utility | $ 1,259.3 | — | $ 1,259.3 | — | $ 1,259.3 </context>
us-gaap:EquityMethodInvestments
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
157.3
monetaryItemType
table: <entity> 157.3 </entity> <entity type> monetaryItemType </entity type> <context> Equity Investment | $ 165.4 | — | $ 165.4 | $ 157.3 | $ 322.7 </context>
us-gaap:EquityMethodInvestments
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
322.7
monetaryItemType
table: <entity> 322.7 </entity> <entity type> monetaryItemType </entity type> <context> Equity Investment | $ 165.4 | — | $ 165.4 | $ 157.3 | $ 322.7 </context>
us-gaap:EquityMethodInvestments
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
158.3
monetaryItemType
table: <entity> 158.3 </entity> <entity type> monetaryItemType </entity type> <context> Capital Expenditures | $ 158.3 | $ 2.2 | $ 160.5 | $ 47.6 | $ 208.1 </context>
us-gaap:SegmentExpenditureAdditionToLongLivedAssets
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
2.2
monetaryItemType
table: <entity> 2.2 </entity> <entity type> monetaryItemType </entity type> <context> Capital Expenditures | $ 158.3 | $ 2.2 | $ 160.5 | $ 47.6 | $ 208.1 </context>
us-gaap:SegmentExpenditureAdditionToLongLivedAssets
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
160.5
monetaryItemType
table: <entity> 160.5 </entity> <entity type> monetaryItemType </entity type> <context> Capital Expenditures | $ 158.3 | $ 2.2 | $ 160.5 | $ 47.6 | $ 208.1 </context>
us-gaap:SegmentExpenditureAdditionToLongLivedAssets
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
47.6
monetaryItemType
table: <entity> 47.6 </entity> <entity type> monetaryItemType </entity type> <context> Capital Expenditures | $ 158.3 | $ 2.2 | $ 160.5 | $ 47.6 | $ 208.1 </context>
us-gaap:SegmentExpenditureAdditionToLongLivedAssets
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Year Ended December 31, 2022</td><td>Regulated Operations</td><td>ALLETE Clean Energy</td><td>Total Reportable Segments</td><td>Corporate and Other / Eliminations</td><td>Consolidated</td></tr><tr><td>Millions</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Contracts with Customers – Utility</td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td><td>—</td><td></td><td>$ 1,259.3</td><td></td></tr><tr><td>Contracts with Customers – Non-utility</td><td>—</td><td></td><td>$ 110.7</td><td></td><td>110.7</td><td></td><td>$ 193.1</td><td></td><td>303.8</td><td></td></tr><tr><td>Other – Non-utility</td><td>—</td><td></td><td>7.6</td><td></td><td>7.6</td><td></td><td>—</td><td></td><td>7.6</td><td></td></tr><tr><td>Total Operating Revenue</td><td>1,259.3</td><td></td><td>118.3</td><td></td><td>1,377.6</td><td></td><td>193.1</td><td></td><td>1,570.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Significant Segment Expenses:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Fuel, Purchased Power and Gas – Utility</td><td>545.5</td><td></td><td>—</td><td></td><td>545.5</td><td></td><td></td><td></td></tr><tr><td>Transmission Services – Utility</td><td>76.7</td><td></td><td>—</td><td></td><td>76.7</td><td></td><td></td><td></td></tr><tr><td>Cost of Sales – Non-utility</td><td>—</td><td></td><td>56.7</td><td></td><td>56.7</td><td></td><td></td><td></td></tr><tr><td>Operating and Maintenance</td><td>239.3</td><td></td><td>47.3</td><td></td><td>286.6</td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>171.9</td><td></td><td>58.6</td><td></td><td>230.5</td><td></td><td></td><td></td></tr><tr><td>Taxes Other than Income Taxes</td><td>57.4</td><td></td><td>10.7</td><td></td><td>68.1</td><td></td><td></td><td></td></tr><tr><td>Other Segment Items (a) Other Segment Items (a)</td><td>( 18.6 )</td><td></td><td>71.3</td><td></td><td>52.7</td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 149.9</td><td></td><td>$ 16.3</td><td></td><td>$ 166.2</td><td>$ 23.1</td><td></td><td>$ 189.3</td><td></td></tr><tr><td>Other Segment Information:</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td>$ 171.9</td><td></td><td>$ 58.6</td><td></td><td>$ 230.5</td><td></td><td>$ 11.7</td><td></td><td>$ 242.2</td><td></td></tr><tr><td>Interest Expense</td><td>$( 58.1 )</td><td>$( 2.3 )</td><td>$( 60.4 )</td><td>$( 14.8 )</td><td>$( 75.2 )</td></tr><tr><td>Equity Earnings</td><td>$ 19.3</td><td></td><td>—</td><td></td><td>$ 19.3</td><td></td><td>$( 0.6 )</td><td>$ 18.7</td><td></td></tr><tr><td>Income Tax Benefit</td><td>$ 10.4</td><td></td><td>$ 15.4</td><td></td><td>$ 25.8</td><td></td><td>$ 5.4</td><td></td><td>$ 31.2</td><td></td></tr><tr><td>Assets</td><td>$ 4,291.4</td><td></td><td>$ 1,873.3</td><td></td><td>$ 6,164.7</td><td></td><td>$ 680.9</td><td></td><td>$ 6,845.6</td><td></td></tr><tr><td>Equity Investment</td><td>$ 165.4</td><td></td><td>—</td><td></td><td>$ 165.4</td><td></td><td>$ 157.3</td><td></td><td>$ 322.7</td><td></td></tr><tr><td>Capital Expenditures</td><td>$ 158.3</td><td></td><td>$ 2.2</td><td>$ 160.5</td><td></td><td>$ 47.6</td><td></td><td>$ 208.1</td><td></td></tr></table>
table
208.1
monetaryItemType
table: <entity> 208.1 </entity> <entity type> monetaryItemType </entity type> <context> Capital Expenditures | $ 158.3 | $ 2.2 | $ 160.5 | $ 47.6 | $ 208.1 </context>
us-gaap:SegmentExpenditureAdditionToLongLivedAssets
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
403.3
monetaryItemType
table: <entity> 403.3 </entity> <entity type> monetaryItemType </entity type> <context> Operating Revenue | $ 403.3 | $ 354.5 | $ 407.2 | $ 364.8 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
354.5
monetaryItemType
table: <entity> 354.5 </entity> <entity type> monetaryItemType </entity type> <context> Operating Revenue | $ 403.3 | $ 354.5 | $ 407.2 | $ 364.8 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
407.2
monetaryItemType
table: <entity> 407.2 </entity> <entity type> monetaryItemType </entity type> <context> Operating Revenue | $ 403.3 | $ 354.5 | $ 407.2 | $ 364.8 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
364.8
monetaryItemType
table: <entity> 364.8 </entity> <entity type> monetaryItemType </entity type> <context> Operating Revenue | $ 403.3 | $ 354.5 | $ 407.2 | $ 364.8 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
47.3
monetaryItemType
table: <entity> 47.3 </entity> <entity type> monetaryItemType </entity type> <context> Operating Income | $ 47.3 | $ 29.4 | $ 45.3 | $ 38.1 </context>
us-gaap:OperatingIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
29.4
monetaryItemType
table: <entity> 29.4 </entity> <entity type> monetaryItemType </entity type> <context> Operating Income | $ 47.3 | $ 29.4 | $ 45.3 | $ 38.1 </context>
us-gaap:OperatingIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
45.3
monetaryItemType
table: <entity> 45.3 </entity> <entity type> monetaryItemType </entity type> <context> Operating Income | $ 47.3 | $ 29.4 | $ 45.3 | $ 38.1 </context>
us-gaap:OperatingIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
38.1
monetaryItemType
table: <entity> 38.1 </entity> <entity type> monetaryItemType </entity type> <context> Operating Income | $ 47.3 | $ 29.4 | $ 45.3 | $ 38.1 </context>
us-gaap:OperatingIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
50.7
monetaryItemType
table: <entity> 50.7 </entity> <entity type> monetaryItemType </entity type> <context> Net Income Attributable to ALLETE | $ 50.7 | $ 33.0 | $ 45.0 | $ 50.6 </context>
us-gaap:NetIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
33.0
monetaryItemType
table: <entity> 33.0 </entity> <entity type> monetaryItemType </entity type> <context> Net Income Attributable to ALLETE | $ 50.7 | $ 33.0 | $ 45.0 | $ 50.6 </context>
us-gaap:NetIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
45.0
monetaryItemType
table: <entity> 45.0 </entity> <entity type> monetaryItemType </entity type> <context> Net Income Attributable to ALLETE | $ 50.7 | $ 33.0 | $ 45.0 | $ 50.6 </context>
us-gaap:NetIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
50.6
monetaryItemType
table: <entity> 50.6 </entity> <entity type> monetaryItemType </entity type> <context> Net Income Attributable to ALLETE | $ 50.7 | $ 33.0 | $ 45.0 | $ 50.6 </context>
us-gaap:NetIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
0.88
perShareItemType
table: <entity> 0.88 </entity> <entity type> perShareItemType </entity type> <context> Basic | $ 0.88 | $ 0.57 | $ 0.78 | $ 0.88 </context>
us-gaap:EarningsPerShareBasic
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
0.57
perShareItemType
table: <entity> 0.57 </entity> <entity type> perShareItemType </entity type> <context> Basic | $ 0.88 | $ 0.57 | $ 0.78 | $ 0.88 </context>
us-gaap:EarningsPerShareBasic
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
0.78
perShareItemType
table: <entity> 0.78 </entity> <entity type> perShareItemType </entity type> <context> Basic | $ 0.88 | $ 0.57 | $ 0.78 | $ 0.88 </context>
us-gaap:EarningsPerShareBasic
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
0.88
perShareItemType
table: <entity> 0.88 </entity> <entity type> perShareItemType </entity type> <context> Basic | $ 0.88 | $ 0.57 | $ 0.78 | $ 0.88 </context>
us-gaap:EarningsPerShareDiluted
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
0.57
perShareItemType
table: <entity> 0.57 </entity> <entity type> perShareItemType </entity type> <context> Basic | $ 0.88 | $ 0.57 | $ 0.78 | $ 0.88 </context>
us-gaap:EarningsPerShareDiluted
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
0.78
perShareItemType
table: <entity> 0.78 </entity> <entity type> perShareItemType </entity type> <context> Basic | $ 0.88 | $ 0.57 | $ 0.78 | $ 0.88 </context>
us-gaap:EarningsPerShareDiluted
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
0.87
perShareItemType
table: <entity> 0.87 </entity> <entity type> perShareItemType </entity type> <context> Diluted | $ 0.88 | $ 0.57 | $ 0.78 | $ 0.87 </context>
us-gaap:EarningsPerShareDiluted
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
564.9
monetaryItemType
table: <entity> 564.9 </entity> <entity type> monetaryItemType </entity type> <context> Operating Revenue | $ 564.9 | $ 533.4 | $ 378.8 | $ 402.7 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
533.4
monetaryItemType
table: <entity> 533.4 </entity> <entity type> monetaryItemType </entity type> <context> Operating Revenue | $ 564.9 | $ 533.4 | $ 378.8 | $ 402.7 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
378.8
monetaryItemType
table: <entity> 378.8 </entity> <entity type> monetaryItemType </entity type> <context> Operating Revenue | $ 564.9 | $ 533.4 | $ 378.8 | $ 402.7 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
402.7
monetaryItemType
table: <entity> 402.7 </entity> <entity type> monetaryItemType </entity type> <context> Operating Revenue | $ 564.9 | $ 533.4 | $ 378.8 | $ 402.7 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
48.3
monetaryItemType
table: <entity> 48.3 </entity> <entity type> monetaryItemType </entity type> <context> Operating Income | $ 48.3 | $ 53.5 | $ 36.0 | $ 43.1 </context>
us-gaap:OperatingIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
53.5
monetaryItemType
table: <entity> 53.5 </entity> <entity type> monetaryItemType </entity type> <context> Operating Income | $ 48.3 | $ 53.5 | $ 36.0 | $ 43.1 </context>
us-gaap:OperatingIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
36.0
monetaryItemType
table: <entity> 36.0 </entity> <entity type> monetaryItemType </entity type> <context> Operating Income | $ 48.3 | $ 53.5 | $ 36.0 | $ 43.1 </context>
us-gaap:OperatingIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
43.1
monetaryItemType
table: <entity> 43.1 </entity> <entity type> monetaryItemType </entity type> <context> Operating Income | $ 48.3 | $ 53.5 | $ 36.0 | $ 43.1 </context>
us-gaap:OperatingIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
58.2
monetaryItemType
table: <entity> 58.2 </entity> <entity type> monetaryItemType </entity type> <context> Net Income Attributable to ALLETE | $ 58.2 | $ 51.5 | $ 85.9 | $ 51.5 </context>
us-gaap:NetIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
51.5
monetaryItemType
table: <entity> 51.5 </entity> <entity type> monetaryItemType </entity type> <context> Net Income Attributable to ALLETE | $ 58.2 | $ 51.5 | $ 85.9 | $ 51.5 </context>
us-gaap:NetIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
85.9
monetaryItemType
table: <entity> 85.9 </entity> <entity type> monetaryItemType </entity type> <context> Net Income Attributable to ALLETE | $ 58.2 | $ 51.5 | $ 85.9 | $ 51.5 </context>
us-gaap:NetIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
1.02
perShareItemType
table: <entity> 1.02 </entity> <entity type> perShareItemType </entity type> <context> Basic | $ 1.02 | $ 0.90 | $ 1.50 | $ 0.89 </context>
us-gaap:EarningsPerShareBasic
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
0.90
perShareItemType
table: <entity> 0.90 </entity> <entity type> perShareItemType </entity type> <context> Basic | $ 1.02 | $ 0.90 | $ 1.50 | $ 0.89 </context>
us-gaap:EarningsPerShareBasic
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
1.50
perShareItemType
table: <entity> 1.50 </entity> <entity type> perShareItemType </entity type> <context> Basic | $ 1.02 | $ 0.90 | $ 1.50 | $ 0.89 </context>
us-gaap:EarningsPerShareBasic
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
0.89
perShareItemType
table: <entity> 0.89 </entity> <entity type> perShareItemType </entity type> <context> Basic | $ 1.02 | $ 0.90 | $ 1.50 | $ 0.89 </context>
us-gaap:EarningsPerShareBasic
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
1.02
perShareItemType
table: <entity> 1.02 </entity> <entity type> perShareItemType </entity type> <context> Basic | $ 1.02 | $ 0.90 | $ 1.50 | $ 0.89 </context>
us-gaap:EarningsPerShareDiluted
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
0.90
perShareItemType
table: <entity> 0.90 </entity> <entity type> perShareItemType </entity type> <context> Basic | $ 1.02 | $ 0.90 | $ 1.50 | $ 0.89 </context>
us-gaap:EarningsPerShareDiluted
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
1.49
perShareItemType
table: <entity> 1.49 </entity> <entity type> perShareItemType </entity type> <context> Diluted | $ 1.02 | $ 0.90 | $ 1.49 | $ 0.89 </context>
us-gaap:EarningsPerShareDiluted
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
0.89
perShareItemType
table: <entity> 0.89 </entity> <entity type> perShareItemType </entity type> <context> Basic | $ 1.02 | $ 0.90 | $ 1.50 | $ 0.89 </context>
us-gaap:EarningsPerShareDiluted
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
383.5
monetaryItemType
table: <entity> 383.5 </entity> <entity type> monetaryItemType </entity type> <context> Operating Revenue | $ 383.5 | $ 373.1 | $ 388.3 | $ 425.8 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
373.1
monetaryItemType
table: <entity> 373.1 </entity> <entity type> monetaryItemType </entity type> <context> Operating Revenue | $ 383.5 | $ 373.1 | $ 388.3 | $ 425.8 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
388.3
monetaryItemType
table: <entity> 388.3 </entity> <entity type> monetaryItemType </entity type> <context> Operating Revenue | $ 383.5 | $ 373.1 | $ 388.3 | $ 425.8 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
425.8
monetaryItemType
table: <entity> 425.8 </entity> <entity type> monetaryItemType </entity type> <context> Operating Revenue | $ 383.5 | $ 373.1 | $ 388.3 | $ 425.8 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
53.4
monetaryItemType
table: <entity> 53.4 </entity> <entity type> monetaryItemType </entity type> <context> Operating Income | $ 53.4 | $ 13.7 | $ 33.4 | $ 33.7 </context>
us-gaap:OperatingIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
13.7
monetaryItemType
table: <entity> 13.7 </entity> <entity type> monetaryItemType </entity type> <context> Operating Income | $ 53.4 | $ 13.7 | $ 33.4 | $ 33.7 </context>
us-gaap:OperatingIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
33.4
monetaryItemType
table: <entity> 33.4 </entity> <entity type> monetaryItemType </entity type> <context> Operating Income | $ 53.4 | $ 13.7 | $ 33.4 | $ 33.7 </context>
us-gaap:OperatingIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
33.7
monetaryItemType
table: <entity> 33.7 </entity> <entity type> monetaryItemType </entity type> <context> Operating Income | $ 53.4 | $ 13.7 | $ 33.4 | $ 33.7 </context>
us-gaap:OperatingIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
66.3
monetaryItemType
table: <entity> 66.3 </entity> <entity type> monetaryItemType </entity type> <context> Net Income Attributable to ALLETE | $ 66.3 | $ 37.6 | $ 33.7 | $ 51.7 </context>
us-gaap:NetIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
37.6
monetaryItemType
table: <entity> 37.6 </entity> <entity type> monetaryItemType </entity type> <context> Net Income Attributable to ALLETE | $ 66.3 | $ 37.6 | $ 33.7 | $ 51.7 </context>
us-gaap:NetIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
33.7
monetaryItemType
table: <entity> 33.7 </entity> <entity type> monetaryItemType </entity type> <context> Operating Income | $ 53.4 | $ 13.7 | $ 33.4 | $ 33.7 </context>
us-gaap:NetIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
51.7
monetaryItemType
table: <entity> 51.7 </entity> <entity type> monetaryItemType </entity type> <context> Net Income Attributable to ALLETE | $ 66.3 | $ 37.6 | $ 33.7 | $ 51.7 </context>
us-gaap:NetIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Quarter Ended</td><td>Mar. 31</td><td>Jun. 30</td><td>Sept. 30</td><td>Dec. 31</td></tr><tr><td>Millions Except Earnings Per Share</td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 403.3</td><td></td><td>$ 354.5</td><td></td><td>$ 407.2</td><td></td><td>$ 364.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 47.3</td><td></td><td>$ 29.4</td><td></td><td>$ 45.3</td><td></td><td>$ 38.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 50.7</td><td></td><td>$ 33.0</td><td></td><td>$ 45.0</td><td></td><td>$ 50.6</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.88</td><td></td></tr><tr><td>Diluted</td><td>$ 0.88</td><td></td><td>$ 0.57</td><td></td><td>$ 0.78</td><td></td><td>$ 0.87</td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 564.9</td><td></td><td>$ 533.4</td><td></td><td>$ 378.8</td><td></td><td>$ 402.7</td><td></td></tr><tr><td>Operating Income</td><td>$ 48.3</td><td></td><td>$ 53.5</td><td></td><td>$ 36.0</td><td></td><td>$ 43.1</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 58.2</td><td></td><td>$ 51.5</td><td></td><td>$ 85.9</td><td></td><td>$ 51.5</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.50</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>Diluted</td><td>$ 1.02</td><td></td><td>$ 0.90</td><td></td><td>$ 1.49</td><td></td><td>$ 0.89</td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td></tr><tr><td>Operating Revenue</td><td>$ 383.5</td><td></td><td>$ 373.1</td><td></td><td>$ 388.3</td><td></td><td>$ 425.8</td><td></td></tr><tr><td>Operating Income</td><td>$ 53.4</td><td></td><td>$ 13.7</td><td></td><td>$ 33.4</td><td></td><td>$ 33.7</td><td></td></tr><tr><td>Net Income Attributable to ALLETE</td><td>$ 66.3</td><td></td><td>$ 37.6</td><td></td><td>$ 33.7</td><td></td><td>$ 51.7</td><td></td></tr><tr><td>Earnings Per Share of Common Stock</td><td></td><td></td><td></td><td></td></tr><tr><td>Basic</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr><tr><td>Diluted</td><td>$ 1.24</td><td></td><td>$ 0.67</td><td></td><td>$ 0.59</td><td></td><td>$ 0.90</td><td></td></tr></table>
table
1.24
perShareItemType
table: <entity> 1.24 </entity> <entity type> perShareItemType </entity type> <context> Basic | $ 1.24 | $ 0.67 | $ 0.59 | $ 0.90 </context>
us-gaap:EarningsPerShareBasic