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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></tr><tr><td></td><td></td><td>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
11.9
monetaryItemType
table: <entity> 11.9 </entity> <entity type> monetaryItemType </entity type> <context> Excess SO 2 Allowance Inventory - Indiana Excess SO 2 Allowance Inventory - Indiana | 11.9 | 14.8 | 4 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
14.8
monetaryItemType
table: <entity> 14.8 </entity> <entity type> monetaryItemType </entity type> <context> Under-recovered Fuel Costs, Michigan - earns a return | $ | 10.6 | $ | 14.8 | 1 year </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
10.9
monetaryItemType
table: <entity> 10.9 </entity> <entity type> monetaryItemType </entity type> <context> Unamortized Loss on Reacquired Debt | 10.9 | 11.8 | 24 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
11.8
monetaryItemType
table: <entity> 11.8 </entity> <entity type> monetaryItemType </entity type> <context> Unamortized Loss on Reacquired Debt | 10.9 | 11.8 | 24 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
7.3
monetaryItemType
table: <entity> 7.3 </entity> <entity type> monetaryItemType </entity type> <context> Postemployment Benefits | 7.3 | 7.0 | 3 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
7.0
monetaryItemType
table: <entity> 7.0 </entity> <entity type> monetaryItemType </entity type> <context> Postemployment Benefits | 7.3 | 7.0 | 3 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
1.4
monetaryItemType
table: <entity> 1.4 </entity> <entity type> monetaryItemType </entity type> <context> Environmental Cost Rider - Indiana | 1.4 | 8.1 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
8.1
monetaryItemType
table: <entity> 8.1 </entity> <entity type> monetaryItemType </entity type> <context> Environmental Cost Rider - Indiana | 1.4 | 8.1 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
17.6
monetaryItemType
table: <entity> 17.6 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Approved for Recovery | 20.2 | 17.6 | various </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
238.3
monetaryItemType
table: <entity> 238.3 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Not Earning a Return | 238.3 | 143.8 </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
143.8
monetaryItemType
table: <entity> 143.8 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Not Earning a Return | 238.3 | 143.8 </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
433.1
monetaryItemType
table: <entity> 433.1 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Approved for Recovery | 433.1 | 373.1 </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
373.1
monetaryItemType
table: <entity> 373.1 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Approved for Recovery | 433.1 | 373.1 </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
548.1
monetaryItemType
table: <entity> 548.1 </entity> <entity type> monetaryItemType </entity type> <context> Total Noncurrent Regulatory Assets | $ | 548.1 | $ | 406.3 </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
406.3
monetaryItemType
table: <entity> 406.3 </entity> <entity type> monetaryItemType </entity type> <context> Total Noncurrent Regulatory Assets | $ | 548.1 | $ | 406.3 </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
10.3
monetaryItemType
table: <entity> 10.3 </entity> <entity type> monetaryItemType </entity type> <context> Over-recovered Fuel Costs, Indiana - does not pay a return | $ | 10.3 | $ | 23.2 | 1 year </context>
us-gaap:RegulatoryLiabilityCurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
23.2
monetaryItemType
table: <entity> 23.2 </entity> <entity type> monetaryItemType </entity type> <context> Over-recovered Fuel Costs, Indiana - does not pay a return | $ | 10.3 | $ | 23.2 | 1 year </context>
us-gaap:RegulatoryLiabilityCurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
β€”
monetaryItemType
table: <entity> β€” </entity> <entity type> monetaryItemType </entity type> <context> Income Taxes, Net (a) (b) | $ | β€” | $ | ( 103.0 ) </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
103.0
monetaryItemType
table: <entity> 103.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
28.9
monetaryItemType
table: <entity> 28.9 </entity> <entity type> monetaryItemType </entity type> <context> FERC 2021 Transmission Formula Rate Challenge Refunds | 28.9 | 22.8 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
22.8
monetaryItemType
table: <entity> 22.8 </entity> <entity type> monetaryItemType </entity type> <context> FERC 2021 Transmission Formula Rate Challenge Refunds | 28.9 | 22.8 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
14.5
monetaryItemType
table: <entity> 14.5 </entity> <entity type> monetaryItemType </entity type> <context> Cook Plant PTC Deferral - Michigan | 14.5 | β€” </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
43.4
monetaryItemType
table: <entity> 43.4 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Currently Not Paying a Return | 43.4 | 22.8 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
80.2
monetaryItemType
table: <entity> 80.2 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
174.2
monetaryItemType
table: <entity> 174.2 </entity> <entity type> monetaryItemType </entity type> <context> Asset Removal Costs | 174.2 | 168.1 | (c) </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
168.1
monetaryItemType
table: <entity> 168.1 </entity> <entity type> monetaryItemType </entity type> <context> Asset Removal Costs | 174.2 | 168.1 | (c) </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
24.3
monetaryItemType
table: <entity> 24.3 </entity> <entity type> monetaryItemType </entity type> <context> Renewable Energy Surcharge - Michigan | 24.3 | 26.6 | 2 years </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
26.6
monetaryItemType
table: <entity> 26.6 </entity> <entity type> monetaryItemType </entity type> <context> Renewable Energy Surcharge - Michigan | 24.3 | 26.6 | 2 years </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
116.8
monetaryItemType
table: <entity> 116.8 </entity> <entity type> monetaryItemType </entity type> <context> Income Taxes, Net (a) | β€” | 116.8 | (d) </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
0.1
monetaryItemType
table: <entity> 0.1 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Liabilities Approved for Payment | 0.1 | 0.1 | various </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
198.6
monetaryItemType
table: <entity> 198.6 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Currently Paying a Return | 198.6 | 311.6 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
311.6
monetaryItemType
table: <entity> 311.6 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Currently Paying a Return | 198.6 | 311.6 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
2137.3
monetaryItemType
table: <entity> 2137.3 </entity> <entity type> monetaryItemType </entity type> <context> Excess Nuclear Decommissioning Funding | 2,137.3 | 1,721.9 | (e) </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
1721.9
monetaryItemType
table: <entity> 1721.9 </entity> <entity type> monetaryItemType </entity type> <context> Excess Nuclear Decommissioning Funding | 2,137.3 | 1,721.9 | (e) </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
50.4
monetaryItemType
table: <entity> 50.4 </entity> <entity type> monetaryItemType </entity type> <context> Spent Nuclear Fuel | 50.4 | 47.6 | (e) </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
47.6
monetaryItemType
table: <entity> 47.6 </entity> <entity type> monetaryItemType </entity type> <context> Spent Nuclear Fuel | 50.4 | 47.6 | (e) </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
33.0
monetaryItemType
table: <entity> 33.0 </entity> <entity type> monetaryItemType </entity type> <context> Demand Side Management - Indiana | 33.0 | 16.7 | 2 years </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
16.7
monetaryItemType
table: <entity> 16.7 </entity> <entity type> monetaryItemType </entity type> <context> Demand Side Management - Indiana | 33.0 | 16.7 | 2 years </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
13.8
monetaryItemType
table: <entity> 13.8 </entity> <entity type> monetaryItemType </entity type> <context> Deferred Investment Tax Credits | 13.8 | 15.8 | 26 years </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
15.8
monetaryItemType
table: <entity> 15.8 </entity> <entity type> monetaryItemType </entity type> <context> Deferred Investment Tax Credits | 13.8 | 15.8 | 26 years </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
2.0
monetaryItemType
table: <entity> 2.0 </entity> <entity type> monetaryItemType </entity type> <context> PJM Costs and Off-system Sales Margin Sharing - Indiana | 2.0 | 14.1 | 1 year </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
14.1
monetaryItemType
table: <entity> 14.1 </entity> <entity type> monetaryItemType </entity type> <context> PJM Costs and Off-system Sales Margin Sharing - Indiana | 2.0 | 14.1 | 1 year </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
2.3
monetaryItemType
table: <entity> 2.3 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Liabilities Approved for Payment | 2.3 | 4.8 | various </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
4.8
monetaryItemType
table: <entity> 4.8 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Liabilities Approved for Payment | 2.3 | 4.8 | various </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
2238.8
monetaryItemType
table: <entity> 2238.8 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Currently Not Paying a Return | 2,238.8 | 1,820.9 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
1820.9
monetaryItemType
table: <entity> 1820.9 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Currently Not Paying a Return | 2,238.8 | 1,820.9 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
2437.4
monetaryItemType
table: <entity> 2437.4 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Approved for Payment | 2,437.4 | 2,132.5 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
2132.5
monetaryItemType
table: <entity> 2132.5 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Approved for Payment | 2,437.4 | 2,132.5 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
2480.8
monetaryItemType
table: <entity> 2480.8 </entity> <entity type> monetaryItemType </entity type> <context> Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits | $ | 2,480.8 | $ | 2,052.3 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>I&M</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Per...
table
2052.3
monetaryItemType
table: <entity> 2052.3 </entity> <entity type> monetaryItemType </entity type> <context> Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits | $ | 2,480.8 | $ | 2,052.3 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
0.4
monetaryItemType
table: <entity> 0.4 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Pending Final Regulatory Approval | $ | 0.4 | $ | β€” </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
β€”
monetaryItemType
table: <entity> β€” </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Pending Final Regulatory Approval | $ | 0.4 | $ | β€” </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
0.1
monetaryItemType
table: <entity> 0.1 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Pending Final Regulatory Approval | 0.1 | β€” </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
23.6
monetaryItemType
table: <entity> 23.6 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Pending Final Regulatory Approval | 0.1 | 23.6 </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
0.5
monetaryItemType
table: <entity> 0.5 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Pending Final Regulatory Approval | 0.5 | 23.6 </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
26.1
monetaryItemType
table: <entity> 26.1 </entity> <entity type> monetaryItemType </entity type> <context> Ohio Basic Transmission Cost Rider | 26.1 | 42.2 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
42.2
monetaryItemType
table: <entity> 42.2 </entity> <entity type> monetaryItemType </entity type> <context> Ohio Basic Transmission Cost Rider | 26.1 | 42.2 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
1.8
monetaryItemType
table: <entity> 1.8 </entity> <entity type> monetaryItemType </entity type> <context> Ohio Distribution Decoupling | β€” | 1.8 </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
44.0
monetaryItemType
table: <entity> 44.0 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Earning a Return | 26.1 | 44.0 </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
134.0
monetaryItemType
table: <entity> 134.0 </entity> <entity type> monetaryItemType </entity type> <context> Pension and OPEB Funded Status | 134.0 | 147.1 | 12 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
147.1
monetaryItemType
table: <entity> 147.1 </entity> <entity type> monetaryItemType </entity type> <context> Pension and OPEB Funded Status | 134.0 | 147.1 | 12 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
52.0
monetaryItemType
table: <entity> 52.0 </entity> <entity type> monetaryItemType </entity type> <context> OVEC Purchased Power | 52.0 | 50.1 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
50.1
monetaryItemType
table: <entity> 50.1 </entity> <entity type> monetaryItemType </entity type> <context> OVEC Purchased Power | 52.0 | 50.1 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
47.6
monetaryItemType
table: <entity> 47.6 </entity> <entity type> monetaryItemType </entity type> <context> Unrealized Loss on Forward Commitments | 47.6 | 50.8 | 8 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
50.8
monetaryItemType
table: <entity> 50.8 </entity> <entity type> monetaryItemType </entity type> <context> Unrealized Loss on Forward Commitments | 47.6 | 50.8 | 8 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
33.8
monetaryItemType
table: <entity> 33.8 </entity> <entity type> monetaryItemType </entity type> <context> Smart Grid Costs | 33.8 | 26.3 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
26.3
monetaryItemType
table: <entity> 26.3 </entity> <entity type> monetaryItemType </entity type> <context> Smart Grid Costs | 33.8 | 26.3 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
28.6
monetaryItemType
table: <entity> 28.6 </entity> <entity type> monetaryItemType </entity type> <context> Storm-Related Costs | 28.6 | 30.9 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
30.9
monetaryItemType
table: <entity> 30.9 </entity> <entity type> monetaryItemType </entity type> <context> Storm-Related Costs | 28.6 | 30.9 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
26.2
monetaryItemType
table: <entity> 26.2 </entity> <entity type> monetaryItemType </entity type> <context> Ohio Enhanced Service Reliability Plan | 26.2 | 35.3 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
35.3
monetaryItemType
table: <entity> 35.3 </entity> <entity type> monetaryItemType </entity type> <context> Ohio Enhanced Service Reliability Plan | 26.2 | 35.3 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
13.7
monetaryItemType
table: <entity> 13.7 </entity> <entity type> monetaryItemType </entity type> <context> Bad Debt Rider | 13.7 | 0.7 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
0.7
monetaryItemType
table: <entity> 0.7 </entity> <entity type> monetaryItemType </entity type> <context> Bad Debt Rider | 13.7 | 0.7 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
11.0
monetaryItemType
table: <entity> 11.0 </entity> <entity type> monetaryItemType </entity type> <context> Ohio Distribution Investment Rider | 11.0 | 35.3 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
5.6
monetaryItemType
table: <entity> 5.6 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Approved for Recovery | 5.6 | 10.9 | various </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
10.9
monetaryItemType
table: <entity> 10.9 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Approved for Recovery | 5.6 | 10.9 | various </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
352.5
monetaryItemType
table: <entity> 352.5 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Not Earning a Return | 352.5 | 387.4 </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
387.4
monetaryItemType
table: <entity> 387.4 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Not Earning a Return | 352.5 | 387.4 </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
378.6
monetaryItemType
table: <entity> 378.6 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Approved for Recovery | 378.6 | 431.4 </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
431.4
monetaryItemType
table: <entity> 431.4 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Approved for Recovery | 378.6 | 431.4 </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
379.1
monetaryItemType
table: <entity> 379.1 </entity> <entity type> monetaryItemType </entity type> <context> Total Noncurrent Regulatory Assets | $ | 379.1 | $ | 455.0 </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery ...
table
455.0
monetaryItemType
table: <entity> 455.0 </entity> <entity type> monetaryItemType </entity type> <context> Total Noncurrent Regulatory Assets | $ | 379.1 | $ | 455.0 </context>
us-gaap:RegulatoryAssetsNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Pe...
table
72.7
monetaryItemType
table: <entity> 72.7 </entity> <entity type> monetaryItemType </entity type> <context> FERC 2021 Transmission Formula Rate Challenge Refunds | $ | 72.7 | $ | 57.0 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Pe...
table
57.0
monetaryItemType
table: <entity> 57.0 </entity> <entity type> monetaryItemType </entity type> <context> FERC 2021 Transmission Formula Rate Challenge Refunds | $ | 72.7 | $ | 57.0 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Pe...
table
0.2
monetaryItemType
table: <entity> 0.2 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Liabilities Pending Final Regulatory Determination | 0.2 | 0.2 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Pe...
table
72.9
monetaryItemType
table: <entity> 72.9 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Pending Final Regulatory Determination | 72.9 | 57.2 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Pe...
table
57.2
monetaryItemType
table: <entity> 57.2 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Pending Final Regulatory Determination | 72.9 | 57.2 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Pe...
table
480.0
monetaryItemType
table: <entity> 480.0 </entity> <entity type> monetaryItemType </entity type> <context> Asset Removal Costs | 480.0 | 475.5 | (a) </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Pe...
table
475.5
monetaryItemType
table: <entity> 475.5 </entity> <entity type> monetaryItemType </entity type> <context> Asset Removal Costs | 480.0 | 475.5 | (a) </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Pe...
table
367.6
monetaryItemType
table: <entity> 367.6 </entity> <entity type> monetaryItemType </entity type> <context> Income Taxes, Net (b) | 367.6 | 408.2 | (c) </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Pe...
table
408.2
monetaryItemType
table: <entity> 408.2 </entity> <entity type> monetaryItemType </entity type> <context> Income Taxes, Net (b) | 367.6 | 408.2 | (c) </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Pe...
table
4.0
monetaryItemType
table: <entity> 4.0 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Liabilities Approved for Payment | 4.0 | β€” </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Pe...
table
β€”
monetaryItemType
table: <entity> β€” </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Liabilities Approved for Payment | 4.0 | β€” </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Pe...
table
851.6
monetaryItemType
table: <entity> 851.6 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Currently Paying a Return | 851.6 | 883.7 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Pe...
table
883.7
monetaryItemType
table: <entity> 883.7 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Currently Paying a Return | 851.6 | 883.7 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Pe...
table
32.1
monetaryItemType
table: <entity> 32.1 </entity> <entity type> monetaryItemType </entity type> <context> Over-recovered Fuel Costs | 32.1 | 26.1 | 8 years </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Pe...
table
26.1
monetaryItemType
table: <entity> 26.1 </entity> <entity type> monetaryItemType </entity type> <context> Over-recovered Fuel Costs | 32.1 | 26.1 | 8 years </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Pe...
table
22.8
monetaryItemType
table: <entity> 22.8 </entity> <entity type> monetaryItemType </entity type> <context> Peak Demand Reduction/Energy Efficiency | 22.8 | 23.2 | 2 years </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Pe...
table
23.2
monetaryItemType
table: <entity> 23.2 </entity> <entity type> monetaryItemType </entity type> <context> Peak Demand Reduction/Energy Efficiency | 22.8 | 23.2 | 2 years </context>
us-gaap:RegulatoryLiabilityNoncurrent
<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>OPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Pe...
table
8.3
monetaryItemType
table: <entity> 8.3 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Liabilities Approved for Payment | 8.3 | 13.4 | various </context>
us-gaap:RegulatoryLiabilityNoncurrent