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TheFinAI
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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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2023</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2024</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP(b)(c)(d)(e)(f)</td><td></td><td>$</td><td>3,031.2</td><td></td><td></td><td>$</td><td>140.1</td><td></td><td></td><td>$</td><td>612.4</td><td></td><td></td><td>$</td><td>( 102.4 )</td><td></td><td></td><td>$</td><td>( 69.6 )</td><td></td><td></td><td>$</td><td>3,611.7</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>3.9</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>464.0</td><td></td><td></td><td>27.7</td><td></td><td></td><td>247.1</td><td></td><td></td><td>( 18.1 )</td><td></td><td></td><td>81.0</td><td></td><td></td><td>801.7</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,106.0</td><td></td><td></td><td>80.2</td><td></td><td></td><td>85.7</td><td></td><td></td><td>( 2.2 )</td><td></td><td></td><td>( 175.9 )</td><td></td><td></td><td>2,093.8</td><td></td></tr><tr><td>OPCo (b)(e)</td><td></td><td>2.1</td><td></td><td></td><td>1.4</td><td></td><td></td><td>52.9</td><td></td><td></td><td>( 0.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>56.3</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>84.2</td><td></td><td></td><td>5.8</td><td></td><td></td><td>33.7</td><td></td><td></td><td>( 1.9 )</td><td></td><td></td><td>—</td><td></td><td></td><td>121.8</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>281.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>30.2</td><td></td><td></td><td>( 69.2 )</td><td></td><td></td><td>19.9</td><td></td><td></td><td>278.7</td><td></td></tr></table>
table
278.7
monetaryItemType
table: <entity> 278.7 </entity> <entity type> monetaryItemType </entity type> <context> SWEPCo (b)(d)(e)(f) | 281.6 | 16.2 | 30.2 | ( 69.2 ) | 19.9 | 278.7 </context>
us-gaap:AssetRetirementObligation
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
2943.6
monetaryItemType
table: <entity> 2943.6 </entity> <entity type> monetaryItemType </entity type> <context> AEP (b)(c)(d)(e)(f) | $ | 2,943.6 | $ | 116.3 | $ | 38.9 | $ | ( 130.6 ) | $ | 63.0 | $ | 3,031.2 </context>
us-gaap:AssetRetirementObligation
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
116.3
monetaryItemType
table: <entity> 116.3 </entity> <entity type> monetaryItemType </entity type> <context> AEP (b)(c)(d)(e)(f) | $ | 2,943.6 | $ | 116.3 | $ | 38.9 | $ | ( 130.6 ) | $ | 63.0 | $ | 3,031.2 </context>
us-gaap:AssetRetirementObligationAccretionExpense
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
38.9
monetaryItemType
table: <entity> 38.9 </entity> <entity type> monetaryItemType </entity type> <context> AEP (b)(c)(d)(e)(f) | $ | 2,943.6 | $ | 116.3 | $ | 38.9 | $ | ( 130.6 ) | $ | 63.0 | $ | 3,031.2 </context>
us-gaap:AssetRetirementObligationLiabilitiesIncurred
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
130.6
monetaryItemType
table: <entity> 130.6 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:AssetRetirementObligationLiabilitiesSettled
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
63.0
monetaryItemType
table: <entity> 63.0 </entity> <entity type> monetaryItemType </entity type> <context> AEP (b)(c)(d)(e)(f) | $ | 2,943.6 | $ | 116.3 | $ | 38.9 | $ | ( 130.6 ) | $ | 63.0 | $ | 3,031.2 </context>
us-gaap:AssetRetirementObligationRevisionOfEstimate
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
3031.2
monetaryItemType
table: <entity> 3031.2 </entity> <entity type> monetaryItemType </entity type> <context> AEP (b)(c)(d)(e)(f) | $ | 2,943.6 | $ | 116.3 | $ | 38.9 | $ | ( 130.6 ) | $ | 63.0 | $ | 3,031.2 </context>
us-gaap:AssetRetirementObligation
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
4.5
monetaryItemType
table: <entity> 4.5 </entity> <entity type> monetaryItemType </entity type> <context> AEP Texas (e) | 4.5 | 0.2 | — | ( 0.3 ) | 0.1 | 4.5 </context>
us-gaap:AssetRetirementObligation
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
0.2
monetaryItemType
table: <entity> 0.2 </entity> <entity type> monetaryItemType </entity type> <context> AEP Texas (e) | 4.5 | 0.2 | — | ( 0.3 ) | 0.1 | 4.5 </context>
us-gaap:AssetRetirementObligationAccretionExpense
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
—
monetaryItemType
table: <entity> — </entity> <entity type> monetaryItemType </entity type> <context> AEP Texas (e) | 4.5 | 0.2 | — | ( 0.3 ) | 0.1 | 4.5 </context>
us-gaap:AssetRetirementObligationLiabilitiesIncurred
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
0.3
monetaryItemType
table: <entity> 0.3 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:AssetRetirementObligationLiabilitiesSettled
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
0.1
monetaryItemType
table: <entity> 0.1 </entity> <entity type> monetaryItemType </entity type> <context> AEP Texas (e) | 4.5 | 0.2 | — | ( 0.3 ) | 0.1 | 4.5 </context>
us-gaap:AssetRetirementObligationRevisionOfEstimate
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
427.7
monetaryItemType
table: <entity> 427.7 </entity> <entity type> monetaryItemType </entity type> <context> APCo (b)(e)(f) | 427.7 | 16.8 | 16.1 | ( 23.1 ) | 26.5 | 464.0 </context>
us-gaap:AssetRetirementObligation
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
16.8
monetaryItemType
table: <entity> 16.8 </entity> <entity type> monetaryItemType </entity type> <context> APCo (b)(e)(f) | 427.7 | 16.8 | 16.1 | ( 23.1 ) | 26.5 | 464.0 </context>
us-gaap:AssetRetirementObligationAccretionExpense
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
16.1
monetaryItemType
table: <entity> 16.1 </entity> <entity type> monetaryItemType </entity type> <context> APCo (b)(e)(f) | 427.7 | 16.8 | 16.1 | ( 23.1 ) | 26.5 | 464.0 </context>
us-gaap:AssetRetirementObligationLiabilitiesIncurred
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
23.1
monetaryItemType
table: <entity> 23.1 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:AssetRetirementObligationLiabilitiesSettled
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
26.5
monetaryItemType
table: <entity> 26.5 </entity> <entity type> monetaryItemType </entity type> <context> APCo (b)(e)(f) | 427.7 | 16.8 | 16.1 | ( 23.1 ) | 26.5 | 464.0 </context>
us-gaap:AssetRetirementObligationRevisionOfEstimate
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
464.0
monetaryItemType
table: <entity> 464.0 </entity> <entity type> monetaryItemType </entity type> <context> APCo (b)(e)(f) | 427.7 | 16.8 | 16.1 | ( 23.1 ) | 26.5 | 464.0 </context>
us-gaap:AssetRetirementObligation
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
2028.1
monetaryItemType
table: <entity> 2028.1 </entity> <entity type> monetaryItemType </entity type> <context> I&M (b)(c)(e) | 2,028.1 | 74.8 | 4.8 | ( 3.7 ) | 2.0 | 2,106.0 </context>
us-gaap:AssetRetirementObligation
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
74.8
monetaryItemType
table: <entity> 74.8 </entity> <entity type> monetaryItemType </entity type> <context> I&M (b)(c)(e) | 2,028.1 | 74.8 | 4.8 | ( 3.7 ) | 2.0 | 2,106.0 </context>
us-gaap:AssetRetirementObligationAccretionExpense
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
4.8
monetaryItemType
table: <entity> 4.8 </entity> <entity type> monetaryItemType </entity type> <context> I&M (b)(c)(e) | 2,028.1 | 74.8 | 4.8 | ( 3.7 ) | 2.0 | 2,106.0 </context>
us-gaap:AssetRetirementObligationLiabilitiesIncurred
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
3.7
monetaryItemType
table: <entity> 3.7 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:AssetRetirementObligationLiabilitiesSettled
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
2.0
monetaryItemType
table: <entity> 2.0 </entity> <entity type> monetaryItemType </entity type> <context> I&M (b)(c)(e) | 2,028.1 | 74.8 | 4.8 | ( 3.7 ) | 2.0 | 2,106.0 </context>
us-gaap:AssetRetirementObligationRevisionOfEstimate
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
2106.0
monetaryItemType
table: <entity> 2106.0 </entity> <entity type> monetaryItemType </entity type> <context> I&M (b)(c)(e) | 2,028.1 | 74.8 | 4.8 | ( 3.7 ) | 2.0 | 2,106.0 </context>
us-gaap:AssetRetirementObligation
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
5.0
monetaryItemType
table: <entity> 5.0 </entity> <entity type> monetaryItemType </entity type> <context> OPCo (e) | 5.0 | 0.2 | — | ( 3.1 ) | — | 2.1 </context>
us-gaap:AssetRetirementObligation
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
3.1
monetaryItemType
table: <entity> 3.1 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:AssetRetirementObligationLiabilitiesSettled
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
—
monetaryItemType
table: <entity> — </entity> <entity type> monetaryItemType </entity type> <context> AEP Texas (e) | 4.5 | 0.2 | — | ( 0.3 ) | 0.1 | 4.5 </context>
us-gaap:AssetRetirementObligationRevisionOfEstimate
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
2.1
monetaryItemType
table: <entity> 2.1 </entity> <entity type> monetaryItemType </entity type> <context> OPCo (e) | 5.0 | 0.2 | — | ( 3.1 ) | — | 2.1 </context>
us-gaap:AssetRetirementObligation
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
75.7
monetaryItemType
table: <entity> 75.7 </entity> <entity type> monetaryItemType </entity type> <context> PSO (b)(e)(f) | 75.7 | 4.7 | 5.8 | ( 1.2 ) | ( 0.8 ) | 84.2 </context>
us-gaap:AssetRetirementObligation
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
4.7
monetaryItemType
table: <entity> 4.7 </entity> <entity type> monetaryItemType </entity type> <context> PSO (b)(e)(f) | 75.7 | 4.7 | 5.8 | ( 1.2 ) | ( 0.8 ) | 84.2 </context>
us-gaap:AssetRetirementObligationAccretionExpense
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
5.8
monetaryItemType
table: <entity> 5.8 </entity> <entity type> monetaryItemType </entity type> <context> PSO (b)(e)(f) | 75.7 | 4.7 | 5.8 | ( 1.2 ) | ( 0.8 ) | 84.2 </context>
us-gaap:AssetRetirementObligationLiabilitiesIncurred
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
1.2
monetaryItemType
table: <entity> 1.2 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:AssetRetirementObligationLiabilitiesSettled
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
0.8
monetaryItemType
table: <entity> 0.8 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:AssetRetirementObligationRevisionOfEstimate
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
84.2
monetaryItemType
table: <entity> 84.2 </entity> <entity type> monetaryItemType </entity type> <context> PSO (b)(e)(f) | 75.7 | 4.7 | 5.8 | ( 1.2 ) | ( 0.8 ) | 84.2 </context>
us-gaap:AssetRetirementObligation
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
280.9
monetaryItemType
table: <entity> 280.9 </entity> <entity type> monetaryItemType </entity type> <context> SWEPCo (b)(d)(e)(f) | 280.9 | 13.7 | 7.5 | ( 55.0 ) | 34.5 | 281.6 </context>
us-gaap:AssetRetirementObligation
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
13.7
monetaryItemType
table: <entity> 13.7 </entity> <entity type> monetaryItemType </entity type> <context> SWEPCo (b)(d)(e)(f) | 280.9 | 13.7 | 7.5 | ( 55.0 ) | 34.5 | 281.6 </context>
us-gaap:AssetRetirementObligationAccretionExpense
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
7.5
monetaryItemType
table: <entity> 7.5 </entity> <entity type> monetaryItemType </entity type> <context> SWEPCo (b)(d)(e)(f) | 280.9 | 13.7 | 7.5 | ( 55.0 ) | 34.5 | 281.6 </context>
us-gaap:AssetRetirementObligationLiabilitiesIncurred
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
55.0
monetaryItemType
table: <entity> 55.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:AssetRetirementObligationLiabilitiesSettled
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
34.5
monetaryItemType
table: <entity> 34.5 </entity> <entity type> monetaryItemType </entity type> <context> SWEPCo (b)(d)(e)(f) | 280.9 | 13.7 | 7.5 | ( 55.0 ) | 34.5 | 281.6 </context>
us-gaap:AssetRetirementObligationRevisionOfEstimate
<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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Company</td><td></td><td>ARO as of December 31, 2022</td><td></td><td>Accretion Expense</td><td></td><td>Liabilities Incurred</td><td></td><td>Liabilities Settled</td><td></td><td>Revisions in Cash Flow Estimates (a)</td><td></td><td>ARO as of December 31, 2023</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP (b)(c)(d)(e)(f)</td><td></td><td>$</td><td>2,943.6</td><td></td><td></td><td>$</td><td>116.3</td><td></td><td></td><td>$</td><td>38.9</td><td></td><td></td><td>$</td><td>( 130.6 )</td><td></td><td></td><td>$</td><td>63.0</td><td></td><td></td><td>$</td><td>3,031.2</td><td></td></tr><tr><td>AEP Texas (e)</td><td></td><td>4.5</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.1</td><td></td><td></td><td>4.5</td><td></td></tr><tr><td>APCo (b)(e)(f)</td><td></td><td>427.7</td><td></td><td></td><td>16.8</td><td></td><td></td><td>16.1</td><td></td><td></td><td>( 23.1 )</td><td></td><td></td><td>26.5</td><td></td><td></td><td>464.0</td><td></td></tr><tr><td>I&M (b)(c)(e)</td><td></td><td>2,028.1</td><td></td><td></td><td>74.8</td><td></td><td></td><td>4.8</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>2.0</td><td></td><td></td><td>2,106.0</td><td></td></tr><tr><td>OPCo (e)</td><td></td><td>5.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td>—</td><td></td><td></td><td>( 3.1 )</td><td></td><td></td><td>—</td><td></td><td></td><td>2.1</td><td></td></tr><tr><td>PSO (b)(e)(f)</td><td></td><td>75.7</td><td></td><td></td><td>4.7</td><td></td><td></td><td>5.8</td><td></td><td></td><td>( 1.2 )</td><td></td><td></td><td>( 0.8 )</td><td></td><td></td><td>84.2</td><td></td></tr><tr><td>SWEPCo (b)(d)(e)(f)</td><td></td><td>280.9</td><td></td><td></td><td>13.7</td><td></td><td></td><td>7.5</td><td></td><td></td><td>( 55.0 )</td><td></td><td></td><td>34.5</td><td></td><td></td><td>281.6</td><td></td></tr></table>
table
281.6
monetaryItemType
table: <entity> 281.6 </entity> <entity type> monetaryItemType </entity type> <context> SWEPCo (b)(d)(e)(f) | 280.9 | 13.7 | 7.5 | ( 55.0 ) | 34.5 | 281.6 </context>
us-gaap:AssetRetirementObligation
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>211.0</td><td></td><td></td><td>$</td><td>174.9</td><td></td><td></td><td>$</td><td>133.7</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>45.9</td><td></td><td></td><td>28.4</td><td></td><td></td><td>19.7</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>APCo</td><td></td><td>16.1</td><td></td><td></td><td>11.9</td><td></td><td></td><td>11.7</td><td></td></tr><tr><td>I&M</td><td></td><td>13.3</td><td></td><td></td><td>10.9</td><td></td><td></td><td>9.8</td><td></td></tr><tr><td>OPCo</td><td></td><td>23.4</td><td></td><td></td><td>17.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>PSO</td><td></td><td>7.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>1.5</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr></table>
table
211.0
monetaryItemType
table: <entity> 211.0 </entity> <entity type> monetaryItemType </entity type> <context> AEP | $ | 211.0 | $ | 174.9 | $ | 133.7 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>211.0</td><td></td><td></td><td>$</td><td>174.9</td><td></td><td></td><td>$</td><td>133.7</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>45.9</td><td></td><td></td><td>28.4</td><td></td><td></td><td>19.7</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>APCo</td><td></td><td>16.1</td><td></td><td></td><td>11.9</td><td></td><td></td><td>11.7</td><td></td></tr><tr><td>I&M</td><td></td><td>13.3</td><td></td><td></td><td>10.9</td><td></td><td></td><td>9.8</td><td></td></tr><tr><td>OPCo</td><td></td><td>23.4</td><td></td><td></td><td>17.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>PSO</td><td></td><td>7.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>1.5</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr></table>
table
174.9
monetaryItemType
table: <entity> 174.9 </entity> <entity type> monetaryItemType </entity type> <context> AEP | $ | 211.0 | $ | 174.9 | $ | 133.7 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>211.0</td><td></td><td></td><td>$</td><td>174.9</td><td></td><td></td><td>$</td><td>133.7</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>45.9</td><td></td><td></td><td>28.4</td><td></td><td></td><td>19.7</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>APCo</td><td></td><td>16.1</td><td></td><td></td><td>11.9</td><td></td><td></td><td>11.7</td><td></td></tr><tr><td>I&M</td><td></td><td>13.3</td><td></td><td></td><td>10.9</td><td></td><td></td><td>9.8</td><td></td></tr><tr><td>OPCo</td><td></td><td>23.4</td><td></td><td></td><td>17.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>PSO</td><td></td><td>7.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>1.5</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr></table>
table
133.7
monetaryItemType
table: <entity> 133.7 </entity> <entity type> monetaryItemType </entity type> <context> AEP | $ | 211.0 | $ | 174.9 | $ | 133.7 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>211.0</td><td></td><td></td><td>$</td><td>174.9</td><td></td><td></td><td>$</td><td>133.7</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>45.9</td><td></td><td></td><td>28.4</td><td></td><td></td><td>19.7</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>APCo</td><td></td><td>16.1</td><td></td><td></td><td>11.9</td><td></td><td></td><td>11.7</td><td></td></tr><tr><td>I&M</td><td></td><td>13.3</td><td></td><td></td><td>10.9</td><td></td><td></td><td>9.8</td><td></td></tr><tr><td>OPCo</td><td></td><td>23.4</td><td></td><td></td><td>17.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>PSO</td><td></td><td>7.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>1.5</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr></table>
table
45.9
monetaryItemType
table: <entity> 45.9 </entity> <entity type> monetaryItemType </entity type> <context> AEP Texas | 45.9 | 28.4 | 19.7 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>211.0</td><td></td><td></td><td>$</td><td>174.9</td><td></td><td></td><td>$</td><td>133.7</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>45.9</td><td></td><td></td><td>28.4</td><td></td><td></td><td>19.7</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>APCo</td><td></td><td>16.1</td><td></td><td></td><td>11.9</td><td></td><td></td><td>11.7</td><td></td></tr><tr><td>I&M</td><td></td><td>13.3</td><td></td><td></td><td>10.9</td><td></td><td></td><td>9.8</td><td></td></tr><tr><td>OPCo</td><td></td><td>23.4</td><td></td><td></td><td>17.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>PSO</td><td></td><td>7.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>1.5</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr></table>
table
28.4
monetaryItemType
table: <entity> 28.4 </entity> <entity type> monetaryItemType </entity type> <context> AEP Texas | 45.9 | 28.4 | 19.7 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>211.0</td><td></td><td></td><td>$</td><td>174.9</td><td></td><td></td><td>$</td><td>133.7</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>45.9</td><td></td><td></td><td>28.4</td><td></td><td></td><td>19.7</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>APCo</td><td></td><td>16.1</td><td></td><td></td><td>11.9</td><td></td><td></td><td>11.7</td><td></td></tr><tr><td>I&M</td><td></td><td>13.3</td><td></td><td></td><td>10.9</td><td></td><td></td><td>9.8</td><td></td></tr><tr><td>OPCo</td><td></td><td>23.4</td><td></td><td></td><td>17.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>PSO</td><td></td><td>7.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>1.5</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr></table>
table
19.7
monetaryItemType
table: <entity> 19.7 </entity> <entity type> monetaryItemType </entity type> <context> AEP Texas | 45.9 | 28.4 | 19.7 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>211.0</td><td></td><td></td><td>$</td><td>174.9</td><td></td><td></td><td>$</td><td>133.7</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>45.9</td><td></td><td></td><td>28.4</td><td></td><td></td><td>19.7</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>APCo</td><td></td><td>16.1</td><td></td><td></td><td>11.9</td><td></td><td></td><td>11.7</td><td></td></tr><tr><td>I&M</td><td></td><td>13.3</td><td></td><td></td><td>10.9</td><td></td><td></td><td>9.8</td><td></td></tr><tr><td>OPCo</td><td></td><td>23.4</td><td></td><td></td><td>17.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>PSO</td><td></td><td>7.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>1.5</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr></table>
table
89.4
monetaryItemType
table: <entity> 89.4 </entity> <entity type> monetaryItemType </entity type> <context> AEPTCo | 89.4 | 83.2 | 70.7 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>211.0</td><td></td><td></td><td>$</td><td>174.9</td><td></td><td></td><td>$</td><td>133.7</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>45.9</td><td></td><td></td><td>28.4</td><td></td><td></td><td>19.7</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>APCo</td><td></td><td>16.1</td><td></td><td></td><td>11.9</td><td></td><td></td><td>11.7</td><td></td></tr><tr><td>I&M</td><td></td><td>13.3</td><td></td><td></td><td>10.9</td><td></td><td></td><td>9.8</td><td></td></tr><tr><td>OPCo</td><td></td><td>23.4</td><td></td><td></td><td>17.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>PSO</td><td></td><td>7.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>1.5</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr></table>
table
83.2
monetaryItemType
table: <entity> 83.2 </entity> <entity type> monetaryItemType </entity type> <context> AEPTCo | 89.4 | 83.2 | 70.7 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>211.0</td><td></td><td></td><td>$</td><td>174.9</td><td></td><td></td><td>$</td><td>133.7</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>45.9</td><td></td><td></td><td>28.4</td><td></td><td></td><td>19.7</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>APCo</td><td></td><td>16.1</td><td></td><td></td><td>11.9</td><td></td><td></td><td>11.7</td><td></td></tr><tr><td>I&M</td><td></td><td>13.3</td><td></td><td></td><td>10.9</td><td></td><td></td><td>9.8</td><td></td></tr><tr><td>OPCo</td><td></td><td>23.4</td><td></td><td></td><td>17.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>PSO</td><td></td><td>7.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>1.5</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr></table>
table
70.7
monetaryItemType
table: <entity> 70.7 </entity> <entity type> monetaryItemType </entity type> <context> AEPTCo | 89.4 | 83.2 | 70.7 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>211.0</td><td></td><td></td><td>$</td><td>174.9</td><td></td><td></td><td>$</td><td>133.7</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>45.9</td><td></td><td></td><td>28.4</td><td></td><td></td><td>19.7</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>APCo</td><td></td><td>16.1</td><td></td><td></td><td>11.9</td><td></td><td></td><td>11.7</td><td></td></tr><tr><td>I&M</td><td></td><td>13.3</td><td></td><td></td><td>10.9</td><td></td><td></td><td>9.8</td><td></td></tr><tr><td>OPCo</td><td></td><td>23.4</td><td></td><td></td><td>17.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>PSO</td><td></td><td>7.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>1.5</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr></table>
table
16.1
monetaryItemType
table: <entity> 16.1 </entity> <entity type> monetaryItemType </entity type> <context> APCo | 16.1 | 11.9 | 11.7 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>211.0</td><td></td><td></td><td>$</td><td>174.9</td><td></td><td></td><td>$</td><td>133.7</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>45.9</td><td></td><td></td><td>28.4</td><td></td><td></td><td>19.7</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>APCo</td><td></td><td>16.1</td><td></td><td></td><td>11.9</td><td></td><td></td><td>11.7</td><td></td></tr><tr><td>I&M</td><td></td><td>13.3</td><td></td><td></td><td>10.9</td><td></td><td></td><td>9.8</td><td></td></tr><tr><td>OPCo</td><td></td><td>23.4</td><td></td><td></td><td>17.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>PSO</td><td></td><td>7.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>1.5</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr></table>
table
11.9
monetaryItemType
table: <entity> 11.9 </entity> <entity type> monetaryItemType </entity type> <context> APCo | 16.1 | 11.9 | 11.7 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>211.0</td><td></td><td></td><td>$</td><td>174.9</td><td></td><td></td><td>$</td><td>133.7</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>45.9</td><td></td><td></td><td>28.4</td><td></td><td></td><td>19.7</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>APCo</td><td></td><td>16.1</td><td></td><td></td><td>11.9</td><td></td><td></td><td>11.7</td><td></td></tr><tr><td>I&M</td><td></td><td>13.3</td><td></td><td></td><td>10.9</td><td></td><td></td><td>9.8</td><td></td></tr><tr><td>OPCo</td><td></td><td>23.4</td><td></td><td></td><td>17.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>PSO</td><td></td><td>7.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>1.5</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr></table>
table
11.7
monetaryItemType
table: <entity> 11.7 </entity> <entity type> monetaryItemType </entity type> <context> APCo | 16.1 | 11.9 | 11.7 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>211.0</td><td></td><td></td><td>$</td><td>174.9</td><td></td><td></td><td>$</td><td>133.7</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>45.9</td><td></td><td></td><td>28.4</td><td></td><td></td><td>19.7</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>APCo</td><td></td><td>16.1</td><td></td><td></td><td>11.9</td><td></td><td></td><td>11.7</td><td></td></tr><tr><td>I&M</td><td></td><td>13.3</td><td></td><td></td><td>10.9</td><td></td><td></td><td>9.8</td><td></td></tr><tr><td>OPCo</td><td></td><td>23.4</td><td></td><td></td><td>17.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>PSO</td><td></td><td>7.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>1.5</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr></table>
table
13.3
monetaryItemType
table: <entity> 13.3 </entity> <entity type> monetaryItemType </entity type> <context> I&M | 13.3 | 10.9 | 9.8 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>211.0</td><td></td><td></td><td>$</td><td>174.9</td><td></td><td></td><td>$</td><td>133.7</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>45.9</td><td></td><td></td><td>28.4</td><td></td><td></td><td>19.7</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>APCo</td><td></td><td>16.1</td><td></td><td></td><td>11.9</td><td></td><td></td><td>11.7</td><td></td></tr><tr><td>I&M</td><td></td><td>13.3</td><td></td><td></td><td>10.9</td><td></td><td></td><td>9.8</td><td></td></tr><tr><td>OPCo</td><td></td><td>23.4</td><td></td><td></td><td>17.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>PSO</td><td></td><td>7.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>1.5</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr></table>
table
10.9
monetaryItemType
table: <entity> 10.9 </entity> <entity type> monetaryItemType </entity type> <context> I&M | 13.3 | 10.9 | 9.8 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>211.0</td><td></td><td></td><td>$</td><td>174.9</td><td></td><td></td><td>$</td><td>133.7</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>45.9</td><td></td><td></td><td>28.4</td><td></td><td></td><td>19.7</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>APCo</td><td></td><td>16.1</td><td></td><td></td><td>11.9</td><td></td><td></td><td>11.7</td><td></td></tr><tr><td>I&M</td><td></td><td>13.3</td><td></td><td></td><td>10.9</td><td></td><td></td><td>9.8</td><td></td></tr><tr><td>OPCo</td><td></td><td>23.4</td><td></td><td></td><td>17.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>PSO</td><td></td><td>7.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>1.5</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr></table>
table
9.8
monetaryItemType
table: <entity> 9.8 </entity> <entity type> monetaryItemType </entity type> <context> I&M | 13.3 | 10.9 | 9.8 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>211.0</td><td></td><td></td><td>$</td><td>174.9</td><td></td><td></td><td>$</td><td>133.7</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>45.9</td><td></td><td></td><td>28.4</td><td></td><td></td><td>19.7</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>APCo</td><td></td><td>16.1</td><td></td><td></td><td>11.9</td><td></td><td></td><td>11.7</td><td></td></tr><tr><td>I&M</td><td></td><td>13.3</td><td></td><td></td><td>10.9</td><td></td><td></td><td>9.8</td><td></td></tr><tr><td>OPCo</td><td></td><td>23.4</td><td></td><td></td><td>17.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>PSO</td><td></td><td>7.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>1.5</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr></table>
table
23.4
monetaryItemType
table: <entity> 23.4 </entity> <entity type> monetaryItemType </entity type> <context> OPCo | 23.4 | 17.1 | 13.9 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>211.0</td><td></td><td></td><td>$</td><td>174.9</td><td></td><td></td><td>$</td><td>133.7</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>45.9</td><td></td><td></td><td>28.4</td><td></td><td></td><td>19.7</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>APCo</td><td></td><td>16.1</td><td></td><td></td><td>11.9</td><td></td><td></td><td>11.7</td><td></td></tr><tr><td>I&M</td><td></td><td>13.3</td><td></td><td></td><td>10.9</td><td></td><td></td><td>9.8</td><td></td></tr><tr><td>OPCo</td><td></td><td>23.4</td><td></td><td></td><td>17.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>PSO</td><td></td><td>7.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>1.5</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr></table>
table
17.1
monetaryItemType
table: <entity> 17.1 </entity> <entity type> monetaryItemType </entity type> <context> OPCo | 23.4 | 17.1 | 13.9 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>211.0</td><td></td><td></td><td>$</td><td>174.9</td><td></td><td></td><td>$</td><td>133.7</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>45.9</td><td></td><td></td><td>28.4</td><td></td><td></td><td>19.7</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>APCo</td><td></td><td>16.1</td><td></td><td></td><td>11.9</td><td></td><td></td><td>11.7</td><td></td></tr><tr><td>I&M</td><td></td><td>13.3</td><td></td><td></td><td>10.9</td><td></td><td></td><td>9.8</td><td></td></tr><tr><td>OPCo</td><td></td><td>23.4</td><td></td><td></td><td>17.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>PSO</td><td></td><td>7.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>1.5</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr></table>
table
13.9
monetaryItemType
table: <entity> 13.9 </entity> <entity type> monetaryItemType </entity type> <context> OPCo | 23.4 | 17.1 | 13.9 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>211.0</td><td></td><td></td><td>$</td><td>174.9</td><td></td><td></td><td>$</td><td>133.7</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>45.9</td><td></td><td></td><td>28.4</td><td></td><td></td><td>19.7</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>APCo</td><td></td><td>16.1</td><td></td><td></td><td>11.9</td><td></td><td></td><td>11.7</td><td></td></tr><tr><td>I&M</td><td></td><td>13.3</td><td></td><td></td><td>10.9</td><td></td><td></td><td>9.8</td><td></td></tr><tr><td>OPCo</td><td></td><td>23.4</td><td></td><td></td><td>17.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>PSO</td><td></td><td>7.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>1.5</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr></table>
table
7.4
monetaryItemType
table: <entity> 7.4 </entity> <entity type> monetaryItemType </entity type> <context> PSO | 7.4 | 8.4 | 1.5 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>211.0</td><td></td><td></td><td>$</td><td>174.9</td><td></td><td></td><td>$</td><td>133.7</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>45.9</td><td></td><td></td><td>28.4</td><td></td><td></td><td>19.7</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>APCo</td><td></td><td>16.1</td><td></td><td></td><td>11.9</td><td></td><td></td><td>11.7</td><td></td></tr><tr><td>I&M</td><td></td><td>13.3</td><td></td><td></td><td>10.9</td><td></td><td></td><td>9.8</td><td></td></tr><tr><td>OPCo</td><td></td><td>23.4</td><td></td><td></td><td>17.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>PSO</td><td></td><td>7.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>1.5</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr></table>
table
8.4
monetaryItemType
table: <entity> 8.4 </entity> <entity type> monetaryItemType </entity type> <context> PSO | 7.4 | 8.4 | 1.5 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>211.0</td><td></td><td></td><td>$</td><td>174.9</td><td></td><td></td><td>$</td><td>133.7</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>45.9</td><td></td><td></td><td>28.4</td><td></td><td></td><td>19.7</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>APCo</td><td></td><td>16.1</td><td></td><td></td><td>11.9</td><td></td><td></td><td>11.7</td><td></td></tr><tr><td>I&M</td><td></td><td>13.3</td><td></td><td></td><td>10.9</td><td></td><td></td><td>9.8</td><td></td></tr><tr><td>OPCo</td><td></td><td>23.4</td><td></td><td></td><td>17.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>PSO</td><td></td><td>7.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>1.5</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr></table>
table
1.5
monetaryItemType
table: <entity> 1.5 </entity> <entity type> monetaryItemType </entity type> <context> PSO | 7.4 | 8.4 | 1.5 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>211.0</td><td></td><td></td><td>$</td><td>174.9</td><td></td><td></td><td>$</td><td>133.7</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>45.9</td><td></td><td></td><td>28.4</td><td></td><td></td><td>19.7</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>APCo</td><td></td><td>16.1</td><td></td><td></td><td>11.9</td><td></td><td></td><td>11.7</td><td></td></tr><tr><td>I&M</td><td></td><td>13.3</td><td></td><td></td><td>10.9</td><td></td><td></td><td>9.8</td><td></td></tr><tr><td>OPCo</td><td></td><td>23.4</td><td></td><td></td><td>17.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>PSO</td><td></td><td>7.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>1.5</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr></table>
table
13.5
monetaryItemType
table: <entity> 13.5 </entity> <entity type> monetaryItemType </entity type> <context> SWEPCo | 13.5 | 11.5 | 4.9 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>211.0</td><td></td><td></td><td>$</td><td>174.9</td><td></td><td></td><td>$</td><td>133.7</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>45.9</td><td></td><td></td><td>28.4</td><td></td><td></td><td>19.7</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>APCo</td><td></td><td>16.1</td><td></td><td></td><td>11.9</td><td></td><td></td><td>11.7</td><td></td></tr><tr><td>I&M</td><td></td><td>13.3</td><td></td><td></td><td>10.9</td><td></td><td></td><td>9.8</td><td></td></tr><tr><td>OPCo</td><td></td><td>23.4</td><td></td><td></td><td>17.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>PSO</td><td></td><td>7.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>1.5</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr></table>
table
11.5
monetaryItemType
table: <entity> 11.5 </entity> <entity type> monetaryItemType </entity type> <context> SWEPCo | 13.5 | 11.5 | 4.9 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>211.0</td><td></td><td></td><td>$</td><td>174.9</td><td></td><td></td><td>$</td><td>133.7</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>45.9</td><td></td><td></td><td>28.4</td><td></td><td></td><td>19.7</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>APCo</td><td></td><td>16.1</td><td></td><td></td><td>11.9</td><td></td><td></td><td>11.7</td><td></td></tr><tr><td>I&M</td><td></td><td>13.3</td><td></td><td></td><td>10.9</td><td></td><td></td><td>9.8</td><td></td></tr><tr><td>OPCo</td><td></td><td>23.4</td><td></td><td></td><td>17.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>PSO</td><td></td><td>7.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>1.5</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr></table>
table
4.9
monetaryItemType
table: <entity> 4.9 </entity> <entity type> monetaryItemType </entity type> <context> SWEPCo | 13.5 | 11.5 | 4.9 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>129.8</td><td></td><td></td><td>$</td><td>117.3</td><td></td><td></td><td>$</td><td>63.0</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>30.7</td><td></td><td></td><td>23.4</td><td></td><td></td><td>11.5</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>33.7</td><td></td><td></td><td>31.4</td><td></td><td></td><td>22.4</td><td></td></tr><tr><td>APCo</td><td></td><td>10.5</td><td></td><td></td><td>14.1</td><td></td><td></td><td>6.5</td><td></td></tr><tr><td>I&M</td><td></td><td>9.2</td><td></td><td></td><td>7.7</td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>OPCo</td><td></td><td>12.8</td><td></td><td></td><td>14.0</td><td></td><td></td><td>6.7</td><td></td></tr><tr><td>PSO</td><td></td><td>9.7</td><td></td><td></td><td>5.2</td><td></td><td></td><td>2.7</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>15.1</td><td></td><td></td><td>9.8</td><td></td><td></td><td>4.3</td><td></td></tr></table>
table
129.8
monetaryItemType
table: <entity> 129.8 </entity> <entity type> monetaryItemType </entity type> <context> AEP | $ | 129.8 | $ | 117.3 | $ | 63.0 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>129.8</td><td></td><td></td><td>$</td><td>117.3</td><td></td><td></td><td>$</td><td>63.0</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>30.7</td><td></td><td></td><td>23.4</td><td></td><td></td><td>11.5</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>33.7</td><td></td><td></td><td>31.4</td><td></td><td></td><td>22.4</td><td></td></tr><tr><td>APCo</td><td></td><td>10.5</td><td></td><td></td><td>14.1</td><td></td><td></td><td>6.5</td><td></td></tr><tr><td>I&M</td><td></td><td>9.2</td><td></td><td></td><td>7.7</td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>OPCo</td><td></td><td>12.8</td><td></td><td></td><td>14.0</td><td></td><td></td><td>6.7</td><td></td></tr><tr><td>PSO</td><td></td><td>9.7</td><td></td><td></td><td>5.2</td><td></td><td></td><td>2.7</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>15.1</td><td></td><td></td><td>9.8</td><td></td><td></td><td>4.3</td><td></td></tr></table>
table
117.3
monetaryItemType
table: <entity> 117.3 </entity> <entity type> monetaryItemType </entity type> <context> AEP | $ | 129.8 | $ | 117.3 | $ | 63.0 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>129.8</td><td></td><td></td><td>$</td><td>117.3</td><td></td><td></td><td>$</td><td>63.0</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>30.7</td><td></td><td></td><td>23.4</td><td></td><td></td><td>11.5</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>33.7</td><td></td><td></td><td>31.4</td><td></td><td></td><td>22.4</td><td></td></tr><tr><td>APCo</td><td></td><td>10.5</td><td></td><td></td><td>14.1</td><td></td><td></td><td>6.5</td><td></td></tr><tr><td>I&M</td><td></td><td>9.2</td><td></td><td></td><td>7.7</td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>OPCo</td><td></td><td>12.8</td><td></td><td></td><td>14.0</td><td></td><td></td><td>6.7</td><td></td></tr><tr><td>PSO</td><td></td><td>9.7</td><td></td><td></td><td>5.2</td><td></td><td></td><td>2.7</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>15.1</td><td></td><td></td><td>9.8</td><td></td><td></td><td>4.3</td><td></td></tr></table>
table
63.0
monetaryItemType
table: <entity> 63.0 </entity> <entity type> monetaryItemType </entity type> <context> AEP | $ | 129.8 | $ | 117.3 | $ | 63.0 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>129.8</td><td></td><td></td><td>$</td><td>117.3</td><td></td><td></td><td>$</td><td>63.0</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>30.7</td><td></td><td></td><td>23.4</td><td></td><td></td><td>11.5</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>33.7</td><td></td><td></td><td>31.4</td><td></td><td></td><td>22.4</td><td></td></tr><tr><td>APCo</td><td></td><td>10.5</td><td></td><td></td><td>14.1</td><td></td><td></td><td>6.5</td><td></td></tr><tr><td>I&M</td><td></td><td>9.2</td><td></td><td></td><td>7.7</td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>OPCo</td><td></td><td>12.8</td><td></td><td></td><td>14.0</td><td></td><td></td><td>6.7</td><td></td></tr><tr><td>PSO</td><td></td><td>9.7</td><td></td><td></td><td>5.2</td><td></td><td></td><td>2.7</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>15.1</td><td></td><td></td><td>9.8</td><td></td><td></td><td>4.3</td><td></td></tr></table>
table
30.7
monetaryItemType
table: <entity> 30.7 </entity> <entity type> monetaryItemType </entity type> <context> AEP Texas | 30.7 | 23.4 | 11.5 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>129.8</td><td></td><td></td><td>$</td><td>117.3</td><td></td><td></td><td>$</td><td>63.0</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>30.7</td><td></td><td></td><td>23.4</td><td></td><td></td><td>11.5</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>33.7</td><td></td><td></td><td>31.4</td><td></td><td></td><td>22.4</td><td></td></tr><tr><td>APCo</td><td></td><td>10.5</td><td></td><td></td><td>14.1</td><td></td><td></td><td>6.5</td><td></td></tr><tr><td>I&M</td><td></td><td>9.2</td><td></td><td></td><td>7.7</td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>OPCo</td><td></td><td>12.8</td><td></td><td></td><td>14.0</td><td></td><td></td><td>6.7</td><td></td></tr><tr><td>PSO</td><td></td><td>9.7</td><td></td><td></td><td>5.2</td><td></td><td></td><td>2.7</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>15.1</td><td></td><td></td><td>9.8</td><td></td><td></td><td>4.3</td><td></td></tr></table>
table
23.4
monetaryItemType
table: <entity> 23.4 </entity> <entity type> monetaryItemType </entity type> <context> AEP Texas | 30.7 | 23.4 | 11.5 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>129.8</td><td></td><td></td><td>$</td><td>117.3</td><td></td><td></td><td>$</td><td>63.0</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>30.7</td><td></td><td></td><td>23.4</td><td></td><td></td><td>11.5</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>33.7</td><td></td><td></td><td>31.4</td><td></td><td></td><td>22.4</td><td></td></tr><tr><td>APCo</td><td></td><td>10.5</td><td></td><td></td><td>14.1</td><td></td><td></td><td>6.5</td><td></td></tr><tr><td>I&M</td><td></td><td>9.2</td><td></td><td></td><td>7.7</td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>OPCo</td><td></td><td>12.8</td><td></td><td></td><td>14.0</td><td></td><td></td><td>6.7</td><td></td></tr><tr><td>PSO</td><td></td><td>9.7</td><td></td><td></td><td>5.2</td><td></td><td></td><td>2.7</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>15.1</td><td></td><td></td><td>9.8</td><td></td><td></td><td>4.3</td><td></td></tr></table>
table
11.5
monetaryItemType
table: <entity> 11.5 </entity> <entity type> monetaryItemType </entity type> <context> AEP Texas | 30.7 | 23.4 | 11.5 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>129.8</td><td></td><td></td><td>$</td><td>117.3</td><td></td><td></td><td>$</td><td>63.0</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>30.7</td><td></td><td></td><td>23.4</td><td></td><td></td><td>11.5</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>33.7</td><td></td><td></td><td>31.4</td><td></td><td></td><td>22.4</td><td></td></tr><tr><td>APCo</td><td></td><td>10.5</td><td></td><td></td><td>14.1</td><td></td><td></td><td>6.5</td><td></td></tr><tr><td>I&M</td><td></td><td>9.2</td><td></td><td></td><td>7.7</td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>OPCo</td><td></td><td>12.8</td><td></td><td></td><td>14.0</td><td></td><td></td><td>6.7</td><td></td></tr><tr><td>PSO</td><td></td><td>9.7</td><td></td><td></td><td>5.2</td><td></td><td></td><td>2.7</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>15.1</td><td></td><td></td><td>9.8</td><td></td><td></td><td>4.3</td><td></td></tr></table>
table
33.7
monetaryItemType
table: <entity> 33.7 </entity> <entity type> monetaryItemType </entity type> <context> AEPTCo | 33.7 | 31.4 | 22.4 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>129.8</td><td></td><td></td><td>$</td><td>117.3</td><td></td><td></td><td>$</td><td>63.0</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>30.7</td><td></td><td></td><td>23.4</td><td></td><td></td><td>11.5</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>33.7</td><td></td><td></td><td>31.4</td><td></td><td></td><td>22.4</td><td></td></tr><tr><td>APCo</td><td></td><td>10.5</td><td></td><td></td><td>14.1</td><td></td><td></td><td>6.5</td><td></td></tr><tr><td>I&M</td><td></td><td>9.2</td><td></td><td></td><td>7.7</td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>OPCo</td><td></td><td>12.8</td><td></td><td></td><td>14.0</td><td></td><td></td><td>6.7</td><td></td></tr><tr><td>PSO</td><td></td><td>9.7</td><td></td><td></td><td>5.2</td><td></td><td></td><td>2.7</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>15.1</td><td></td><td></td><td>9.8</td><td></td><td></td><td>4.3</td><td></td></tr></table>
table
31.4
monetaryItemType
table: <entity> 31.4 </entity> <entity type> monetaryItemType </entity type> <context> AEPTCo | 33.7 | 31.4 | 22.4 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>129.8</td><td></td><td></td><td>$</td><td>117.3</td><td></td><td></td><td>$</td><td>63.0</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>30.7</td><td></td><td></td><td>23.4</td><td></td><td></td><td>11.5</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>33.7</td><td></td><td></td><td>31.4</td><td></td><td></td><td>22.4</td><td></td></tr><tr><td>APCo</td><td></td><td>10.5</td><td></td><td></td><td>14.1</td><td></td><td></td><td>6.5</td><td></td></tr><tr><td>I&M</td><td></td><td>9.2</td><td></td><td></td><td>7.7</td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>OPCo</td><td></td><td>12.8</td><td></td><td></td><td>14.0</td><td></td><td></td><td>6.7</td><td></td></tr><tr><td>PSO</td><td></td><td>9.7</td><td></td><td></td><td>5.2</td><td></td><td></td><td>2.7</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>15.1</td><td></td><td></td><td>9.8</td><td></td><td></td><td>4.3</td><td></td></tr></table>
table
22.4
monetaryItemType
table: <entity> 22.4 </entity> <entity type> monetaryItemType </entity type> <context> AEPTCo | 33.7 | 31.4 | 22.4 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>129.8</td><td></td><td></td><td>$</td><td>117.3</td><td></td><td></td><td>$</td><td>63.0</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>30.7</td><td></td><td></td><td>23.4</td><td></td><td></td><td>11.5</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>33.7</td><td></td><td></td><td>31.4</td><td></td><td></td><td>22.4</td><td></td></tr><tr><td>APCo</td><td></td><td>10.5</td><td></td><td></td><td>14.1</td><td></td><td></td><td>6.5</td><td></td></tr><tr><td>I&M</td><td></td><td>9.2</td><td></td><td></td><td>7.7</td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>OPCo</td><td></td><td>12.8</td><td></td><td></td><td>14.0</td><td></td><td></td><td>6.7</td><td></td></tr><tr><td>PSO</td><td></td><td>9.7</td><td></td><td></td><td>5.2</td><td></td><td></td><td>2.7</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>15.1</td><td></td><td></td><td>9.8</td><td></td><td></td><td>4.3</td><td></td></tr></table>
table
10.5
monetaryItemType
table: <entity> 10.5 </entity> <entity type> monetaryItemType </entity type> <context> APCo | 10.5 | 14.1 | 6.5 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>129.8</td><td></td><td></td><td>$</td><td>117.3</td><td></td><td></td><td>$</td><td>63.0</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>30.7</td><td></td><td></td><td>23.4</td><td></td><td></td><td>11.5</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>33.7</td><td></td><td></td><td>31.4</td><td></td><td></td><td>22.4</td><td></td></tr><tr><td>APCo</td><td></td><td>10.5</td><td></td><td></td><td>14.1</td><td></td><td></td><td>6.5</td><td></td></tr><tr><td>I&M</td><td></td><td>9.2</td><td></td><td></td><td>7.7</td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>OPCo</td><td></td><td>12.8</td><td></td><td></td><td>14.0</td><td></td><td></td><td>6.7</td><td></td></tr><tr><td>PSO</td><td></td><td>9.7</td><td></td><td></td><td>5.2</td><td></td><td></td><td>2.7</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>15.1</td><td></td><td></td><td>9.8</td><td></td><td></td><td>4.3</td><td></td></tr></table>
table
14.1
monetaryItemType
table: <entity> 14.1 </entity> <entity type> monetaryItemType </entity type> <context> APCo | 10.5 | 14.1 | 6.5 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>129.8</td><td></td><td></td><td>$</td><td>117.3</td><td></td><td></td><td>$</td><td>63.0</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>30.7</td><td></td><td></td><td>23.4</td><td></td><td></td><td>11.5</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>33.7</td><td></td><td></td><td>31.4</td><td></td><td></td><td>22.4</td><td></td></tr><tr><td>APCo</td><td></td><td>10.5</td><td></td><td></td><td>14.1</td><td></td><td></td><td>6.5</td><td></td></tr><tr><td>I&M</td><td></td><td>9.2</td><td></td><td></td><td>7.7</td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>OPCo</td><td></td><td>12.8</td><td></td><td></td><td>14.0</td><td></td><td></td><td>6.7</td><td></td></tr><tr><td>PSO</td><td></td><td>9.7</td><td></td><td></td><td>5.2</td><td></td><td></td><td>2.7</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>15.1</td><td></td><td></td><td>9.8</td><td></td><td></td><td>4.3</td><td></td></tr></table>
table
6.5
monetaryItemType
table: <entity> 6.5 </entity> <entity type> monetaryItemType </entity type> <context> APCo | 10.5 | 14.1 | 6.5 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>129.8</td><td></td><td></td><td>$</td><td>117.3</td><td></td><td></td><td>$</td><td>63.0</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>30.7</td><td></td><td></td><td>23.4</td><td></td><td></td><td>11.5</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>33.7</td><td></td><td></td><td>31.4</td><td></td><td></td><td>22.4</td><td></td></tr><tr><td>APCo</td><td></td><td>10.5</td><td></td><td></td><td>14.1</td><td></td><td></td><td>6.5</td><td></td></tr><tr><td>I&M</td><td></td><td>9.2</td><td></td><td></td><td>7.7</td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>OPCo</td><td></td><td>12.8</td><td></td><td></td><td>14.0</td><td></td><td></td><td>6.7</td><td></td></tr><tr><td>PSO</td><td></td><td>9.7</td><td></td><td></td><td>5.2</td><td></td><td></td><td>2.7</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>15.1</td><td></td><td></td><td>9.8</td><td></td><td></td><td>4.3</td><td></td></tr></table>
table
9.2
monetaryItemType
table: <entity> 9.2 </entity> <entity type> monetaryItemType </entity type> <context> I&M | 9.2 | 7.7 | 5.7 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>129.8</td><td></td><td></td><td>$</td><td>117.3</td><td></td><td></td><td>$</td><td>63.0</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>30.7</td><td></td><td></td><td>23.4</td><td></td><td></td><td>11.5</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>33.7</td><td></td><td></td><td>31.4</td><td></td><td></td><td>22.4</td><td></td></tr><tr><td>APCo</td><td></td><td>10.5</td><td></td><td></td><td>14.1</td><td></td><td></td><td>6.5</td><td></td></tr><tr><td>I&M</td><td></td><td>9.2</td><td></td><td></td><td>7.7</td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>OPCo</td><td></td><td>12.8</td><td></td><td></td><td>14.0</td><td></td><td></td><td>6.7</td><td></td></tr><tr><td>PSO</td><td></td><td>9.7</td><td></td><td></td><td>5.2</td><td></td><td></td><td>2.7</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>15.1</td><td></td><td></td><td>9.8</td><td></td><td></td><td>4.3</td><td></td></tr></table>
table
7.7
monetaryItemType
table: <entity> 7.7 </entity> <entity type> monetaryItemType </entity type> <context> I&M | 9.2 | 7.7 | 5.7 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>129.8</td><td></td><td></td><td>$</td><td>117.3</td><td></td><td></td><td>$</td><td>63.0</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>30.7</td><td></td><td></td><td>23.4</td><td></td><td></td><td>11.5</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>33.7</td><td></td><td></td><td>31.4</td><td></td><td></td><td>22.4</td><td></td></tr><tr><td>APCo</td><td></td><td>10.5</td><td></td><td></td><td>14.1</td><td></td><td></td><td>6.5</td><td></td></tr><tr><td>I&M</td><td></td><td>9.2</td><td></td><td></td><td>7.7</td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>OPCo</td><td></td><td>12.8</td><td></td><td></td><td>14.0</td><td></td><td></td><td>6.7</td><td></td></tr><tr><td>PSO</td><td></td><td>9.7</td><td></td><td></td><td>5.2</td><td></td><td></td><td>2.7</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>15.1</td><td></td><td></td><td>9.8</td><td></td><td></td><td>4.3</td><td></td></tr></table>
table
5.7
monetaryItemType
table: <entity> 5.7 </entity> <entity type> monetaryItemType </entity type> <context> I&M | 9.2 | 7.7 | 5.7 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>129.8</td><td></td><td></td><td>$</td><td>117.3</td><td></td><td></td><td>$</td><td>63.0</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>30.7</td><td></td><td></td><td>23.4</td><td></td><td></td><td>11.5</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>33.7</td><td></td><td></td><td>31.4</td><td></td><td></td><td>22.4</td><td></td></tr><tr><td>APCo</td><td></td><td>10.5</td><td></td><td></td><td>14.1</td><td></td><td></td><td>6.5</td><td></td></tr><tr><td>I&M</td><td></td><td>9.2</td><td></td><td></td><td>7.7</td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>OPCo</td><td></td><td>12.8</td><td></td><td></td><td>14.0</td><td></td><td></td><td>6.7</td><td></td></tr><tr><td>PSO</td><td></td><td>9.7</td><td></td><td></td><td>5.2</td><td></td><td></td><td>2.7</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>15.1</td><td></td><td></td><td>9.8</td><td></td><td></td><td>4.3</td><td></td></tr></table>
table
12.8
monetaryItemType
table: <entity> 12.8 </entity> <entity type> monetaryItemType </entity type> <context> OPCo | 12.8 | 14.0 | 6.7 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>129.8</td><td></td><td></td><td>$</td><td>117.3</td><td></td><td></td><td>$</td><td>63.0</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>30.7</td><td></td><td></td><td>23.4</td><td></td><td></td><td>11.5</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>33.7</td><td></td><td></td><td>31.4</td><td></td><td></td><td>22.4</td><td></td></tr><tr><td>APCo</td><td></td><td>10.5</td><td></td><td></td><td>14.1</td><td></td><td></td><td>6.5</td><td></td></tr><tr><td>I&M</td><td></td><td>9.2</td><td></td><td></td><td>7.7</td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>OPCo</td><td></td><td>12.8</td><td></td><td></td><td>14.0</td><td></td><td></td><td>6.7</td><td></td></tr><tr><td>PSO</td><td></td><td>9.7</td><td></td><td></td><td>5.2</td><td></td><td></td><td>2.7</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>15.1</td><td></td><td></td><td>9.8</td><td></td><td></td><td>4.3</td><td></td></tr></table>
table
14.0
monetaryItemType
table: <entity> 14.0 </entity> <entity type> monetaryItemType </entity type> <context> OPCo | 12.8 | 14.0 | 6.7 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>129.8</td><td></td><td></td><td>$</td><td>117.3</td><td></td><td></td><td>$</td><td>63.0</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>30.7</td><td></td><td></td><td>23.4</td><td></td><td></td><td>11.5</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>33.7</td><td></td><td></td><td>31.4</td><td></td><td></td><td>22.4</td><td></td></tr><tr><td>APCo</td><td></td><td>10.5</td><td></td><td></td><td>14.1</td><td></td><td></td><td>6.5</td><td></td></tr><tr><td>I&M</td><td></td><td>9.2</td><td></td><td></td><td>7.7</td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>OPCo</td><td></td><td>12.8</td><td></td><td></td><td>14.0</td><td></td><td></td><td>6.7</td><td></td></tr><tr><td>PSO</td><td></td><td>9.7</td><td></td><td></td><td>5.2</td><td></td><td></td><td>2.7</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>15.1</td><td></td><td></td><td>9.8</td><td></td><td></td><td>4.3</td><td></td></tr></table>
table
6.7
monetaryItemType
table: <entity> 6.7 </entity> <entity type> monetaryItemType </entity type> <context> OPCo | 12.8 | 14.0 | 6.7 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>129.8</td><td></td><td></td><td>$</td><td>117.3</td><td></td><td></td><td>$</td><td>63.0</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>30.7</td><td></td><td></td><td>23.4</td><td></td><td></td><td>11.5</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>33.7</td><td></td><td></td><td>31.4</td><td></td><td></td><td>22.4</td><td></td></tr><tr><td>APCo</td><td></td><td>10.5</td><td></td><td></td><td>14.1</td><td></td><td></td><td>6.5</td><td></td></tr><tr><td>I&M</td><td></td><td>9.2</td><td></td><td></td><td>7.7</td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>OPCo</td><td></td><td>12.8</td><td></td><td></td><td>14.0</td><td></td><td></td><td>6.7</td><td></td></tr><tr><td>PSO</td><td></td><td>9.7</td><td></td><td></td><td>5.2</td><td></td><td></td><td>2.7</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>15.1</td><td></td><td></td><td>9.8</td><td></td><td></td><td>4.3</td><td></td></tr></table>
table
9.7
monetaryItemType
table: <entity> 9.7 </entity> <entity type> monetaryItemType </entity type> <context> PSO | 9.7 | 5.2 | 2.7 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>129.8</td><td></td><td></td><td>$</td><td>117.3</td><td></td><td></td><td>$</td><td>63.0</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>30.7</td><td></td><td></td><td>23.4</td><td></td><td></td><td>11.5</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>33.7</td><td></td><td></td><td>31.4</td><td></td><td></td><td>22.4</td><td></td></tr><tr><td>APCo</td><td></td><td>10.5</td><td></td><td></td><td>14.1</td><td></td><td></td><td>6.5</td><td></td></tr><tr><td>I&M</td><td></td><td>9.2</td><td></td><td></td><td>7.7</td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>OPCo</td><td></td><td>12.8</td><td></td><td></td><td>14.0</td><td></td><td></td><td>6.7</td><td></td></tr><tr><td>PSO</td><td></td><td>9.7</td><td></td><td></td><td>5.2</td><td></td><td></td><td>2.7</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>15.1</td><td></td><td></td><td>9.8</td><td></td><td></td><td>4.3</td><td></td></tr></table>
table
5.2
monetaryItemType
table: <entity> 5.2 </entity> <entity type> monetaryItemType </entity type> <context> PSO | 9.7 | 5.2 | 2.7 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>129.8</td><td></td><td></td><td>$</td><td>117.3</td><td></td><td></td><td>$</td><td>63.0</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>30.7</td><td></td><td></td><td>23.4</td><td></td><td></td><td>11.5</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>33.7</td><td></td><td></td><td>31.4</td><td></td><td></td><td>22.4</td><td></td></tr><tr><td>APCo</td><td></td><td>10.5</td><td></td><td></td><td>14.1</td><td></td><td></td><td>6.5</td><td></td></tr><tr><td>I&M</td><td></td><td>9.2</td><td></td><td></td><td>7.7</td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>OPCo</td><td></td><td>12.8</td><td></td><td></td><td>14.0</td><td></td><td></td><td>6.7</td><td></td></tr><tr><td>PSO</td><td></td><td>9.7</td><td></td><td></td><td>5.2</td><td></td><td></td><td>2.7</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>15.1</td><td></td><td></td><td>9.8</td><td></td><td></td><td>4.3</td><td></td></tr></table>
table
2.7
monetaryItemType
table: <entity> 2.7 </entity> <entity type> monetaryItemType </entity type> <context> PSO | 9.7 | 5.2 | 2.7 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>129.8</td><td></td><td></td><td>$</td><td>117.3</td><td></td><td></td><td>$</td><td>63.0</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>30.7</td><td></td><td></td><td>23.4</td><td></td><td></td><td>11.5</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>33.7</td><td></td><td></td><td>31.4</td><td></td><td></td><td>22.4</td><td></td></tr><tr><td>APCo</td><td></td><td>10.5</td><td></td><td></td><td>14.1</td><td></td><td></td><td>6.5</td><td></td></tr><tr><td>I&M</td><td></td><td>9.2</td><td></td><td></td><td>7.7</td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>OPCo</td><td></td><td>12.8</td><td></td><td></td><td>14.0</td><td></td><td></td><td>6.7</td><td></td></tr><tr><td>PSO</td><td></td><td>9.7</td><td></td><td></td><td>5.2</td><td></td><td></td><td>2.7</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>15.1</td><td></td><td></td><td>9.8</td><td></td><td></td><td>4.3</td><td></td></tr></table>
table
15.1
monetaryItemType
table: <entity> 15.1 </entity> <entity type> monetaryItemType </entity type> <context> SWEPCo | 15.1 | 9.8 | 4.3 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>129.8</td><td></td><td></td><td>$</td><td>117.3</td><td></td><td></td><td>$</td><td>63.0</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>30.7</td><td></td><td></td><td>23.4</td><td></td><td></td><td>11.5</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>33.7</td><td></td><td></td><td>31.4</td><td></td><td></td><td>22.4</td><td></td></tr><tr><td>APCo</td><td></td><td>10.5</td><td></td><td></td><td>14.1</td><td></td><td></td><td>6.5</td><td></td></tr><tr><td>I&M</td><td></td><td>9.2</td><td></td><td></td><td>7.7</td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>OPCo</td><td></td><td>12.8</td><td></td><td></td><td>14.0</td><td></td><td></td><td>6.7</td><td></td></tr><tr><td>PSO</td><td></td><td>9.7</td><td></td><td></td><td>5.2</td><td></td><td></td><td>2.7</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>15.1</td><td></td><td></td><td>9.8</td><td></td><td></td><td>4.3</td><td></td></tr></table>
table
9.8
monetaryItemType
table: <entity> 9.8 </entity> <entity type> monetaryItemType </entity type> <context> SWEPCo | 15.1 | 9.8 | 4.3 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
<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><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td>Company</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td>$</td><td>129.8</td><td></td><td></td><td>$</td><td>117.3</td><td></td><td></td><td>$</td><td>63.0</td><td></td></tr><tr><td>AEP Texas</td><td></td><td>30.7</td><td></td><td></td><td>23.4</td><td></td><td></td><td>11.5</td><td></td></tr><tr><td>AEPTCo</td><td></td><td>33.7</td><td></td><td></td><td>31.4</td><td></td><td></td><td>22.4</td><td></td></tr><tr><td>APCo</td><td></td><td>10.5</td><td></td><td></td><td>14.1</td><td></td><td></td><td>6.5</td><td></td></tr><tr><td>I&M</td><td></td><td>9.2</td><td></td><td></td><td>7.7</td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>OPCo</td><td></td><td>12.8</td><td></td><td></td><td>14.0</td><td></td><td></td><td>6.7</td><td></td></tr><tr><td>PSO</td><td></td><td>9.7</td><td></td><td></td><td>5.2</td><td></td><td></td><td>2.7</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>15.1</td><td></td><td></td><td>9.8</td><td></td><td></td><td>4.3</td><td></td></tr></table>
table
4.3
monetaryItemType
table: <entity> 4.3 </entity> <entity type> monetaryItemType </entity type> <context> SWEPCo | 15.1 | 9.8 | 4.3 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td>Registrant’s Share as of December 31, 2024</td></tr><tr><td></td><td>Fuel Type</td><td></td><td>Percent of Ownership</td><td></td><td>Utility Plant in Service</td><td></td><td>Construction Work in Progress</td><td></td><td>Accumulated Depreciation</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Flint Creek Generating Station, Unit 1 (a)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>404.1</td><td></td><td></td><td>$</td><td>3.4</td><td></td><td></td><td>$</td><td>188.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Turk Generating Plant (a)</td><td>Coal</td><td></td><td>73.3</td><td>%</td><td></td><td>1,517.0</td><td></td><td></td><td>1.2</td><td></td><td></td><td>350.2</td><td></td></tr><tr><td>Total Total</td><td></td><td></td><td></td><td></td><td>$</td><td>1,921.1</td><td></td><td></td><td>$</td><td>4.6</td><td></td><td></td><td>$</td><td>539.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>I&M</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Rockport Generating Plant (b)(c)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>1,345.0</td><td></td><td></td><td>$</td><td>10.9</td><td></td><td></td><td>$</td><td>1,181.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>PSO</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>North Central Wind Energy Facilities (d)(e)</td><td>Wind</td><td></td><td>45.5</td><td>%</td><td></td><td>$</td><td>912.3</td><td></td><td></td><td>$</td><td>1.0</td><td></td><td></td><td>$</td><td>77.6</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SWEPCo SWEPCo</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Flint Creek Generating Station, Unit 1 (a)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>404.1</td><td></td><td></td><td>$</td><td>3.4</td><td></td><td></td><td>$</td><td>188.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Turk Generating Plant (a)</td><td>Coal</td><td></td><td>73.3</td><td>%</td><td></td><td>1,517.0</td><td></td><td></td><td>1.2</td><td></td><td></td><td>350.2</td><td></td></tr><tr><td>North Central Wind Energy Facilities (d)(e)</td><td>Wind</td><td></td><td>54.5</td><td>%</td><td></td><td>1,093.5</td><td></td><td></td><td>1.2</td><td></td><td></td><td>98.1</td><td></td></tr><tr><td>Total</td><td></td><td></td><td></td><td></td><td>$</td><td>3,014.6</td><td></td><td></td><td>$</td><td>5.8</td><td></td><td></td><td>$</td><td>637.1</td><td></td></tr></table>
table
50.0
percentItemType
table: <entity> 50.0 </entity> <entity type> percentItemType </entity type> <context> Flint Creek Generating Station, Unit 1 (a) | Coal | 50.0 | % | $ | 404.1 | $ | 3.4 | $ | 188.8 </context>
us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare
<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><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></td><td></td><td></td><td></td><td></td><td>Registrant’s Share as of December 31, 2024</td></tr><tr><td></td><td>Fuel Type</td><td></td><td>Percent of Ownership</td><td></td><td>Utility Plant in Service</td><td></td><td>Construction Work in Progress</td><td></td><td>Accumulated Depreciation</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Flint Creek Generating Station, Unit 1 (a)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>404.1</td><td></td><td></td><td>$</td><td>3.4</td><td></td><td></td><td>$</td><td>188.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Turk Generating Plant (a)</td><td>Coal</td><td></td><td>73.3</td><td>%</td><td></td><td>1,517.0</td><td></td><td></td><td>1.2</td><td></td><td></td><td>350.2</td><td></td></tr><tr><td>Total Total</td><td></td><td></td><td></td><td></td><td>$</td><td>1,921.1</td><td></td><td></td><td>$</td><td>4.6</td><td></td><td></td><td>$</td><td>539.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>I&M</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Rockport Generating Plant (b)(c)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>1,345.0</td><td></td><td></td><td>$</td><td>10.9</td><td></td><td></td><td>$</td><td>1,181.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>PSO</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>North Central Wind Energy Facilities (d)(e)</td><td>Wind</td><td></td><td>45.5</td><td>%</td><td></td><td>$</td><td>912.3</td><td></td><td></td><td>$</td><td>1.0</td><td></td><td></td><td>$</td><td>77.6</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SWEPCo SWEPCo</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Flint Creek Generating Station, Unit 1 (a)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>404.1</td><td></td><td></td><td>$</td><td>3.4</td><td></td><td></td><td>$</td><td>188.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Turk Generating Plant (a)</td><td>Coal</td><td></td><td>73.3</td><td>%</td><td></td><td>1,517.0</td><td></td><td></td><td>1.2</td><td></td><td></td><td>350.2</td><td></td></tr><tr><td>North Central Wind Energy Facilities (d)(e)</td><td>Wind</td><td></td><td>54.5</td><td>%</td><td></td><td>1,093.5</td><td></td><td></td><td>1.2</td><td></td><td></td><td>98.1</td><td></td></tr><tr><td>Total</td><td></td><td></td><td></td><td></td><td>$</td><td>3,014.6</td><td></td><td></td><td>$</td><td>5.8</td><td></td><td></td><td>$</td><td>637.1</td><td></td></tr></table>
table
404.1
monetaryItemType
table: <entity> 404.1 </entity> <entity type> monetaryItemType </entity type> <context> Flint Creek Generating Station, Unit 1 (a) | Coal | 50.0 | % | $ | 404.1 | $ | 3.4 | $ | 188.8 </context>
us-gaap:JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService
<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><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></td><td></td><td></td><td></td><td></td><td>Registrant’s Share as of December 31, 2024</td></tr><tr><td></td><td>Fuel Type</td><td></td><td>Percent of Ownership</td><td></td><td>Utility Plant in Service</td><td></td><td>Construction Work in Progress</td><td></td><td>Accumulated Depreciation</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Flint Creek Generating Station, Unit 1 (a)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>404.1</td><td></td><td></td><td>$</td><td>3.4</td><td></td><td></td><td>$</td><td>188.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Turk Generating Plant (a)</td><td>Coal</td><td></td><td>73.3</td><td>%</td><td></td><td>1,517.0</td><td></td><td></td><td>1.2</td><td></td><td></td><td>350.2</td><td></td></tr><tr><td>Total Total</td><td></td><td></td><td></td><td></td><td>$</td><td>1,921.1</td><td></td><td></td><td>$</td><td>4.6</td><td></td><td></td><td>$</td><td>539.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>I&M</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Rockport Generating Plant (b)(c)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>1,345.0</td><td></td><td></td><td>$</td><td>10.9</td><td></td><td></td><td>$</td><td>1,181.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>PSO</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>North Central Wind Energy Facilities (d)(e)</td><td>Wind</td><td></td><td>45.5</td><td>%</td><td></td><td>$</td><td>912.3</td><td></td><td></td><td>$</td><td>1.0</td><td></td><td></td><td>$</td><td>77.6</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SWEPCo SWEPCo</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Flint Creek Generating Station, Unit 1 (a)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>404.1</td><td></td><td></td><td>$</td><td>3.4</td><td></td><td></td><td>$</td><td>188.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Turk Generating Plant (a)</td><td>Coal</td><td></td><td>73.3</td><td>%</td><td></td><td>1,517.0</td><td></td><td></td><td>1.2</td><td></td><td></td><td>350.2</td><td></td></tr><tr><td>North Central Wind Energy Facilities (d)(e)</td><td>Wind</td><td></td><td>54.5</td><td>%</td><td></td><td>1,093.5</td><td></td><td></td><td>1.2</td><td></td><td></td><td>98.1</td><td></td></tr><tr><td>Total</td><td></td><td></td><td></td><td></td><td>$</td><td>3,014.6</td><td></td><td></td><td>$</td><td>5.8</td><td></td><td></td><td>$</td><td>637.1</td><td></td></tr></table>
table
3.4
monetaryItemType
table: <entity> 3.4 </entity> <entity type> monetaryItemType </entity type> <context> Flint Creek Generating Station, Unit 1 (a) | Coal | 50.0 | % | $ | 404.1 | $ | 3.4 | $ | 188.8 </context>
us-gaap:JointlyOwnedUtilityPlantOwnershipAmountOfConstructionWorkInProgress
<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><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></td><td></td><td></td><td></td><td></td><td>Registrant’s Share as of December 31, 2024</td></tr><tr><td></td><td>Fuel Type</td><td></td><td>Percent of Ownership</td><td></td><td>Utility Plant in Service</td><td></td><td>Construction Work in Progress</td><td></td><td>Accumulated Depreciation</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Flint Creek Generating Station, Unit 1 (a)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>404.1</td><td></td><td></td><td>$</td><td>3.4</td><td></td><td></td><td>$</td><td>188.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Turk Generating Plant (a)</td><td>Coal</td><td></td><td>73.3</td><td>%</td><td></td><td>1,517.0</td><td></td><td></td><td>1.2</td><td></td><td></td><td>350.2</td><td></td></tr><tr><td>Total Total</td><td></td><td></td><td></td><td></td><td>$</td><td>1,921.1</td><td></td><td></td><td>$</td><td>4.6</td><td></td><td></td><td>$</td><td>539.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>I&M</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Rockport Generating Plant (b)(c)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>1,345.0</td><td></td><td></td><td>$</td><td>10.9</td><td></td><td></td><td>$</td><td>1,181.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>PSO</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>North Central Wind Energy Facilities (d)(e)</td><td>Wind</td><td></td><td>45.5</td><td>%</td><td></td><td>$</td><td>912.3</td><td></td><td></td><td>$</td><td>1.0</td><td></td><td></td><td>$</td><td>77.6</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SWEPCo SWEPCo</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Flint Creek Generating Station, Unit 1 (a)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>404.1</td><td></td><td></td><td>$</td><td>3.4</td><td></td><td></td><td>$</td><td>188.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Turk Generating Plant (a)</td><td>Coal</td><td></td><td>73.3</td><td>%</td><td></td><td>1,517.0</td><td></td><td></td><td>1.2</td><td></td><td></td><td>350.2</td><td></td></tr><tr><td>North Central Wind Energy Facilities (d)(e)</td><td>Wind</td><td></td><td>54.5</td><td>%</td><td></td><td>1,093.5</td><td></td><td></td><td>1.2</td><td></td><td></td><td>98.1</td><td></td></tr><tr><td>Total</td><td></td><td></td><td></td><td></td><td>$</td><td>3,014.6</td><td></td><td></td><td>$</td><td>5.8</td><td></td><td></td><td>$</td><td>637.1</td><td></td></tr></table>
table
188.8
monetaryItemType
table: <entity> 188.8 </entity> <entity type> monetaryItemType </entity type> <context> Flint Creek Generating Station, Unit 1 (a) | Coal | 50.0 | % | $ | 404.1 | $ | 3.4 | $ | 188.8 </context>
us-gaap:JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation
<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><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></td><td></td><td></td><td></td><td></td><td>Registrant’s Share as of December 31, 2024</td></tr><tr><td></td><td>Fuel Type</td><td></td><td>Percent of Ownership</td><td></td><td>Utility Plant in Service</td><td></td><td>Construction Work in Progress</td><td></td><td>Accumulated Depreciation</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Flint Creek Generating Station, Unit 1 (a)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>404.1</td><td></td><td></td><td>$</td><td>3.4</td><td></td><td></td><td>$</td><td>188.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Turk Generating Plant (a)</td><td>Coal</td><td></td><td>73.3</td><td>%</td><td></td><td>1,517.0</td><td></td><td></td><td>1.2</td><td></td><td></td><td>350.2</td><td></td></tr><tr><td>Total Total</td><td></td><td></td><td></td><td></td><td>$</td><td>1,921.1</td><td></td><td></td><td>$</td><td>4.6</td><td></td><td></td><td>$</td><td>539.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>I&M</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Rockport Generating Plant (b)(c)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>1,345.0</td><td></td><td></td><td>$</td><td>10.9</td><td></td><td></td><td>$</td><td>1,181.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>PSO</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>North Central Wind Energy Facilities (d)(e)</td><td>Wind</td><td></td><td>45.5</td><td>%</td><td></td><td>$</td><td>912.3</td><td></td><td></td><td>$</td><td>1.0</td><td></td><td></td><td>$</td><td>77.6</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SWEPCo SWEPCo</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Flint Creek Generating Station, Unit 1 (a)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>404.1</td><td></td><td></td><td>$</td><td>3.4</td><td></td><td></td><td>$</td><td>188.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Turk Generating Plant (a)</td><td>Coal</td><td></td><td>73.3</td><td>%</td><td></td><td>1,517.0</td><td></td><td></td><td>1.2</td><td></td><td></td><td>350.2</td><td></td></tr><tr><td>North Central Wind Energy Facilities (d)(e)</td><td>Wind</td><td></td><td>54.5</td><td>%</td><td></td><td>1,093.5</td><td></td><td></td><td>1.2</td><td></td><td></td><td>98.1</td><td></td></tr><tr><td>Total</td><td></td><td></td><td></td><td></td><td>$</td><td>3,014.6</td><td></td><td></td><td>$</td><td>5.8</td><td></td><td></td><td>$</td><td>637.1</td><td></td></tr></table>
table
73.3
percentItemType
table: <entity> 73.3 </entity> <entity type> percentItemType </entity type> <context> Turk Generating Plant (a) | Coal | 73.3 | % | 1,517.0 | 1.2 | 350.2 </context>
us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare
<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><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></td><td></td><td></td><td></td><td></td><td>Registrant’s Share as of December 31, 2024</td></tr><tr><td></td><td>Fuel Type</td><td></td><td>Percent of Ownership</td><td></td><td>Utility Plant in Service</td><td></td><td>Construction Work in Progress</td><td></td><td>Accumulated Depreciation</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Flint Creek Generating Station, Unit 1 (a)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>404.1</td><td></td><td></td><td>$</td><td>3.4</td><td></td><td></td><td>$</td><td>188.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Turk Generating Plant (a)</td><td>Coal</td><td></td><td>73.3</td><td>%</td><td></td><td>1,517.0</td><td></td><td></td><td>1.2</td><td></td><td></td><td>350.2</td><td></td></tr><tr><td>Total Total</td><td></td><td></td><td></td><td></td><td>$</td><td>1,921.1</td><td></td><td></td><td>$</td><td>4.6</td><td></td><td></td><td>$</td><td>539.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>I&M</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Rockport Generating Plant (b)(c)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>1,345.0</td><td></td><td></td><td>$</td><td>10.9</td><td></td><td></td><td>$</td><td>1,181.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>PSO</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>North Central Wind Energy Facilities (d)(e)</td><td>Wind</td><td></td><td>45.5</td><td>%</td><td></td><td>$</td><td>912.3</td><td></td><td></td><td>$</td><td>1.0</td><td></td><td></td><td>$</td><td>77.6</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SWEPCo SWEPCo</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Flint Creek Generating Station, Unit 1 (a)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>404.1</td><td></td><td></td><td>$</td><td>3.4</td><td></td><td></td><td>$</td><td>188.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Turk Generating Plant (a)</td><td>Coal</td><td></td><td>73.3</td><td>%</td><td></td><td>1,517.0</td><td></td><td></td><td>1.2</td><td></td><td></td><td>350.2</td><td></td></tr><tr><td>North Central Wind Energy Facilities (d)(e)</td><td>Wind</td><td></td><td>54.5</td><td>%</td><td></td><td>1,093.5</td><td></td><td></td><td>1.2</td><td></td><td></td><td>98.1</td><td></td></tr><tr><td>Total</td><td></td><td></td><td></td><td></td><td>$</td><td>3,014.6</td><td></td><td></td><td>$</td><td>5.8</td><td></td><td></td><td>$</td><td>637.1</td><td></td></tr></table>
table
1517.0
monetaryItemType
table: <entity> 1517.0 </entity> <entity type> monetaryItemType </entity type> <context> Turk Generating Plant (a) | Coal | 73.3 | % | 1,517.0 | 1.2 | 350.2 </context>
us-gaap:JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService
<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><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></td><td></td><td></td><td></td><td></td><td>Registrant’s Share as of December 31, 2024</td></tr><tr><td></td><td>Fuel Type</td><td></td><td>Percent of Ownership</td><td></td><td>Utility Plant in Service</td><td></td><td>Construction Work in Progress</td><td></td><td>Accumulated Depreciation</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Flint Creek Generating Station, Unit 1 (a)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>404.1</td><td></td><td></td><td>$</td><td>3.4</td><td></td><td></td><td>$</td><td>188.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Turk Generating Plant (a)</td><td>Coal</td><td></td><td>73.3</td><td>%</td><td></td><td>1,517.0</td><td></td><td></td><td>1.2</td><td></td><td></td><td>350.2</td><td></td></tr><tr><td>Total Total</td><td></td><td></td><td></td><td></td><td>$</td><td>1,921.1</td><td></td><td></td><td>$</td><td>4.6</td><td></td><td></td><td>$</td><td>539.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>I&M</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Rockport Generating Plant (b)(c)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>1,345.0</td><td></td><td></td><td>$</td><td>10.9</td><td></td><td></td><td>$</td><td>1,181.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>PSO</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>North Central Wind Energy Facilities (d)(e)</td><td>Wind</td><td></td><td>45.5</td><td>%</td><td></td><td>$</td><td>912.3</td><td></td><td></td><td>$</td><td>1.0</td><td></td><td></td><td>$</td><td>77.6</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SWEPCo SWEPCo</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Flint Creek Generating Station, Unit 1 (a)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>404.1</td><td></td><td></td><td>$</td><td>3.4</td><td></td><td></td><td>$</td><td>188.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Turk Generating Plant (a)</td><td>Coal</td><td></td><td>73.3</td><td>%</td><td></td><td>1,517.0</td><td></td><td></td><td>1.2</td><td></td><td></td><td>350.2</td><td></td></tr><tr><td>North Central Wind Energy Facilities (d)(e)</td><td>Wind</td><td></td><td>54.5</td><td>%</td><td></td><td>1,093.5</td><td></td><td></td><td>1.2</td><td></td><td></td><td>98.1</td><td></td></tr><tr><td>Total</td><td></td><td></td><td></td><td></td><td>$</td><td>3,014.6</td><td></td><td></td><td>$</td><td>5.8</td><td></td><td></td><td>$</td><td>637.1</td><td></td></tr></table>
table
1.2
monetaryItemType
table: <entity> 1.2 </entity> <entity type> monetaryItemType </entity type> <context> Turk Generating Plant (a) | Coal | 73.3 | % | 1,517.0 | 1.2 | 350.2 </context>
us-gaap:JointlyOwnedUtilityPlantOwnershipAmountOfConstructionWorkInProgress
<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><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></td><td></td><td></td><td></td><td></td><td>Registrant’s Share as of December 31, 2024</td></tr><tr><td></td><td>Fuel Type</td><td></td><td>Percent of Ownership</td><td></td><td>Utility Plant in Service</td><td></td><td>Construction Work in Progress</td><td></td><td>Accumulated Depreciation</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Flint Creek Generating Station, Unit 1 (a)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>404.1</td><td></td><td></td><td>$</td><td>3.4</td><td></td><td></td><td>$</td><td>188.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Turk Generating Plant (a)</td><td>Coal</td><td></td><td>73.3</td><td>%</td><td></td><td>1,517.0</td><td></td><td></td><td>1.2</td><td></td><td></td><td>350.2</td><td></td></tr><tr><td>Total Total</td><td></td><td></td><td></td><td></td><td>$</td><td>1,921.1</td><td></td><td></td><td>$</td><td>4.6</td><td></td><td></td><td>$</td><td>539.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>I&M</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Rockport Generating Plant (b)(c)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>1,345.0</td><td></td><td></td><td>$</td><td>10.9</td><td></td><td></td><td>$</td><td>1,181.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>PSO</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>North Central Wind Energy Facilities (d)(e)</td><td>Wind</td><td></td><td>45.5</td><td>%</td><td></td><td>$</td><td>912.3</td><td></td><td></td><td>$</td><td>1.0</td><td></td><td></td><td>$</td><td>77.6</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SWEPCo SWEPCo</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Flint Creek Generating Station, Unit 1 (a)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>404.1</td><td></td><td></td><td>$</td><td>3.4</td><td></td><td></td><td>$</td><td>188.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Turk Generating Plant (a)</td><td>Coal</td><td></td><td>73.3</td><td>%</td><td></td><td>1,517.0</td><td></td><td></td><td>1.2</td><td></td><td></td><td>350.2</td><td></td></tr><tr><td>North Central Wind Energy Facilities (d)(e)</td><td>Wind</td><td></td><td>54.5</td><td>%</td><td></td><td>1,093.5</td><td></td><td></td><td>1.2</td><td></td><td></td><td>98.1</td><td></td></tr><tr><td>Total</td><td></td><td></td><td></td><td></td><td>$</td><td>3,014.6</td><td></td><td></td><td>$</td><td>5.8</td><td></td><td></td><td>$</td><td>637.1</td><td></td></tr></table>
table
350.2
monetaryItemType
table: <entity> 350.2 </entity> <entity type> monetaryItemType </entity type> <context> Turk Generating Plant (a) | Coal | 73.3 | % | 1,517.0 | 1.2 | 350.2 </context>
us-gaap:JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation
<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><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></td><td></td><td></td><td></td><td></td><td>Registrant’s Share as of December 31, 2024</td></tr><tr><td></td><td>Fuel Type</td><td></td><td>Percent of Ownership</td><td></td><td>Utility Plant in Service</td><td></td><td>Construction Work in Progress</td><td></td><td>Accumulated Depreciation</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Flint Creek Generating Station, Unit 1 (a)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>404.1</td><td></td><td></td><td>$</td><td>3.4</td><td></td><td></td><td>$</td><td>188.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Turk Generating Plant (a)</td><td>Coal</td><td></td><td>73.3</td><td>%</td><td></td><td>1,517.0</td><td></td><td></td><td>1.2</td><td></td><td></td><td>350.2</td><td></td></tr><tr><td>Total Total</td><td></td><td></td><td></td><td></td><td>$</td><td>1,921.1</td><td></td><td></td><td>$</td><td>4.6</td><td></td><td></td><td>$</td><td>539.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>I&M</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Rockport Generating Plant (b)(c)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>1,345.0</td><td></td><td></td><td>$</td><td>10.9</td><td></td><td></td><td>$</td><td>1,181.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>PSO</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>North Central Wind Energy Facilities (d)(e)</td><td>Wind</td><td></td><td>45.5</td><td>%</td><td></td><td>$</td><td>912.3</td><td></td><td></td><td>$</td><td>1.0</td><td></td><td></td><td>$</td><td>77.6</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SWEPCo SWEPCo</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Flint Creek Generating Station, Unit 1 (a)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>404.1</td><td></td><td></td><td>$</td><td>3.4</td><td></td><td></td><td>$</td><td>188.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Turk Generating Plant (a)</td><td>Coal</td><td></td><td>73.3</td><td>%</td><td></td><td>1,517.0</td><td></td><td></td><td>1.2</td><td></td><td></td><td>350.2</td><td></td></tr><tr><td>North Central Wind Energy Facilities (d)(e)</td><td>Wind</td><td></td><td>54.5</td><td>%</td><td></td><td>1,093.5</td><td></td><td></td><td>1.2</td><td></td><td></td><td>98.1</td><td></td></tr><tr><td>Total</td><td></td><td></td><td></td><td></td><td>$</td><td>3,014.6</td><td></td><td></td><td>$</td><td>5.8</td><td></td><td></td><td>$</td><td>637.1</td><td></td></tr></table>
table
1921.1
monetaryItemType
table: <entity> 1921.1 </entity> <entity type> monetaryItemType </entity type> <context> Total Total | $ | 1,921.1 | $ | 4.6 | $ | 539.0 </context>
us-gaap:JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService
<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><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></td><td></td><td></td><td></td><td></td><td>Registrant’s Share as of December 31, 2024</td></tr><tr><td></td><td>Fuel Type</td><td></td><td>Percent of Ownership</td><td></td><td>Utility Plant in Service</td><td></td><td>Construction Work in Progress</td><td></td><td>Accumulated Depreciation</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Flint Creek Generating Station, Unit 1 (a)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>404.1</td><td></td><td></td><td>$</td><td>3.4</td><td></td><td></td><td>$</td><td>188.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Turk Generating Plant (a)</td><td>Coal</td><td></td><td>73.3</td><td>%</td><td></td><td>1,517.0</td><td></td><td></td><td>1.2</td><td></td><td></td><td>350.2</td><td></td></tr><tr><td>Total Total</td><td></td><td></td><td></td><td></td><td>$</td><td>1,921.1</td><td></td><td></td><td>$</td><td>4.6</td><td></td><td></td><td>$</td><td>539.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>I&M</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Rockport Generating Plant (b)(c)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>1,345.0</td><td></td><td></td><td>$</td><td>10.9</td><td></td><td></td><td>$</td><td>1,181.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>PSO</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>North Central Wind Energy Facilities (d)(e)</td><td>Wind</td><td></td><td>45.5</td><td>%</td><td></td><td>$</td><td>912.3</td><td></td><td></td><td>$</td><td>1.0</td><td></td><td></td><td>$</td><td>77.6</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SWEPCo SWEPCo</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Flint Creek Generating Station, Unit 1 (a)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>404.1</td><td></td><td></td><td>$</td><td>3.4</td><td></td><td></td><td>$</td><td>188.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Turk Generating Plant (a)</td><td>Coal</td><td></td><td>73.3</td><td>%</td><td></td><td>1,517.0</td><td></td><td></td><td>1.2</td><td></td><td></td><td>350.2</td><td></td></tr><tr><td>North Central Wind Energy Facilities (d)(e)</td><td>Wind</td><td></td><td>54.5</td><td>%</td><td></td><td>1,093.5</td><td></td><td></td><td>1.2</td><td></td><td></td><td>98.1</td><td></td></tr><tr><td>Total</td><td></td><td></td><td></td><td></td><td>$</td><td>3,014.6</td><td></td><td></td><td>$</td><td>5.8</td><td></td><td></td><td>$</td><td>637.1</td><td></td></tr></table>
table
4.6
monetaryItemType
table: <entity> 4.6 </entity> <entity type> monetaryItemType </entity type> <context> Total Total | $ | 1,921.1 | $ | 4.6 | $ | 539.0 </context>
us-gaap:JointlyOwnedUtilityPlantOwnershipAmountOfConstructionWorkInProgress
<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><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></td><td></td><td></td><td></td><td></td><td>Registrant’s Share as of December 31, 2024</td></tr><tr><td></td><td>Fuel Type</td><td></td><td>Percent of Ownership</td><td></td><td>Utility Plant in Service</td><td></td><td>Construction Work in Progress</td><td></td><td>Accumulated Depreciation</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Flint Creek Generating Station, Unit 1 (a)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>404.1</td><td></td><td></td><td>$</td><td>3.4</td><td></td><td></td><td>$</td><td>188.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Turk Generating Plant (a)</td><td>Coal</td><td></td><td>73.3</td><td>%</td><td></td><td>1,517.0</td><td></td><td></td><td>1.2</td><td></td><td></td><td>350.2</td><td></td></tr><tr><td>Total Total</td><td></td><td></td><td></td><td></td><td>$</td><td>1,921.1</td><td></td><td></td><td>$</td><td>4.6</td><td></td><td></td><td>$</td><td>539.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>I&M</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Rockport Generating Plant (b)(c)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>1,345.0</td><td></td><td></td><td>$</td><td>10.9</td><td></td><td></td><td>$</td><td>1,181.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>PSO</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>North Central Wind Energy Facilities (d)(e)</td><td>Wind</td><td></td><td>45.5</td><td>%</td><td></td><td>$</td><td>912.3</td><td></td><td></td><td>$</td><td>1.0</td><td></td><td></td><td>$</td><td>77.6</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SWEPCo SWEPCo</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Flint Creek Generating Station, Unit 1 (a)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>404.1</td><td></td><td></td><td>$</td><td>3.4</td><td></td><td></td><td>$</td><td>188.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Turk Generating Plant (a)</td><td>Coal</td><td></td><td>73.3</td><td>%</td><td></td><td>1,517.0</td><td></td><td></td><td>1.2</td><td></td><td></td><td>350.2</td><td></td></tr><tr><td>North Central Wind Energy Facilities (d)(e)</td><td>Wind</td><td></td><td>54.5</td><td>%</td><td></td><td>1,093.5</td><td></td><td></td><td>1.2</td><td></td><td></td><td>98.1</td><td></td></tr><tr><td>Total</td><td></td><td></td><td></td><td></td><td>$</td><td>3,014.6</td><td></td><td></td><td>$</td><td>5.8</td><td></td><td></td><td>$</td><td>637.1</td><td></td></tr></table>
table
539.0
monetaryItemType
table: <entity> 539.0 </entity> <entity type> monetaryItemType </entity type> <context> Total Total | $ | 1,921.1 | $ | 4.6 | $ | 539.0 </context>
us-gaap:JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation
<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><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></td><td></td><td></td><td></td><td></td><td>Registrant’s Share as of December 31, 2024</td></tr><tr><td></td><td>Fuel Type</td><td></td><td>Percent of Ownership</td><td></td><td>Utility Plant in Service</td><td></td><td>Construction Work in Progress</td><td></td><td>Accumulated Depreciation</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td>(in millions)</td></tr><tr><td>AEP</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Flint Creek Generating Station, Unit 1 (a)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>404.1</td><td></td><td></td><td>$</td><td>3.4</td><td></td><td></td><td>$</td><td>188.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Turk Generating Plant (a)</td><td>Coal</td><td></td><td>73.3</td><td>%</td><td></td><td>1,517.0</td><td></td><td></td><td>1.2</td><td></td><td></td><td>350.2</td><td></td></tr><tr><td>Total Total</td><td></td><td></td><td></td><td></td><td>$</td><td>1,921.1</td><td></td><td></td><td>$</td><td>4.6</td><td></td><td></td><td>$</td><td>539.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>I&M</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Rockport Generating Plant (b)(c)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>1,345.0</td><td></td><td></td><td>$</td><td>10.9</td><td></td><td></td><td>$</td><td>1,181.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>PSO</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>North Central Wind Energy Facilities (d)(e)</td><td>Wind</td><td></td><td>45.5</td><td>%</td><td></td><td>$</td><td>912.3</td><td></td><td></td><td>$</td><td>1.0</td><td></td><td></td><td>$</td><td>77.6</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SWEPCo SWEPCo</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Flint Creek Generating Station, Unit 1 (a)</td><td>Coal</td><td></td><td>50.0</td><td>%</td><td></td><td>$</td><td>404.1</td><td></td><td></td><td>$</td><td>3.4</td><td></td><td></td><td>$</td><td>188.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Turk Generating Plant (a)</td><td>Coal</td><td></td><td>73.3</td><td>%</td><td></td><td>1,517.0</td><td></td><td></td><td>1.2</td><td></td><td></td><td>350.2</td><td></td></tr><tr><td>North Central Wind Energy Facilities (d)(e)</td><td>Wind</td><td></td><td>54.5</td><td>%</td><td></td><td>1,093.5</td><td></td><td></td><td>1.2</td><td></td><td></td><td>98.1</td><td></td></tr><tr><td>Total</td><td></td><td></td><td></td><td></td><td>$</td><td>3,014.6</td><td></td><td></td><td>$</td><td>5.8</td><td></td><td></td><td>$</td><td>637.1</td><td></td></tr></table>
table
1345.0
monetaryItemType
table: <entity> 1345.0 </entity> <entity type> monetaryItemType </entity type> <context> Rockport Generating Plant (b)(c) | Coal | 50.0 | % | $ | 1,345.0 | $ | 10.9 | $ | 1,181.8 </context>
us-gaap:JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService