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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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>3,148.6</td><td></td><td></td><td>$</td><td>405.9</td><td></td><td></td><td>$</td><td>430.9</td><td></td><td></td><td>$</td><td>600.4</td><td></td><td></td><td>$</td><td>456.2</td><td></td><td></td><td>$</td><td>386.0</td><td></td><td></td><td>$</td><td>263.1</td><td></td><td></td><td>$</td><td>375.4</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>91.3</td><td></td><td></td><td>91.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>50.0</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>β</td><td></td><td></td><td>2.0</td><td></td><td></td><td>24.9</td><td></td><td></td><td>β</td><td></td><td></td><td>9.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,289.9</td><td></td><td></td><td>$</td><td>493.5</td><td></td><td></td><td>$</td><td>430.9</td><td></td><td></td><td>$</td><td>602.4</td><td></td><td></td><td>$</td><td>481.1</td><td></td><td></td><td>$</td><td>386.0</td><td></td><td></td><td>$</td><td>272.2</td><td></td><td></td><td>$</td><td>389.3</td><td></td></tr></table>
|
table
|
493.5
|
monetaryItemType
|
table: <entity> 493.5 </entity> <entity type> monetaryItemType </entity type> <context> Total Depreciation and Amortization Total Depreciation and Amortization | $ | 3,289.9 | $ | 493.5 | $ | 430.9 | $ | 602.4 | $ | 481.1 | $ | 386.0 | $ | 272.2 | $ | 389.3 </context>
|
us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>3,148.6</td><td></td><td></td><td>$</td><td>405.9</td><td></td><td></td><td>$</td><td>430.9</td><td></td><td></td><td>$</td><td>600.4</td><td></td><td></td><td>$</td><td>456.2</td><td></td><td></td><td>$</td><td>386.0</td><td></td><td></td><td>$</td><td>263.1</td><td></td><td></td><td>$</td><td>375.4</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>91.3</td><td></td><td></td><td>91.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>50.0</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>β</td><td></td><td></td><td>2.0</td><td></td><td></td><td>24.9</td><td></td><td></td><td>β</td><td></td><td></td><td>9.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,289.9</td><td></td><td></td><td>$</td><td>493.5</td><td></td><td></td><td>$</td><td>430.9</td><td></td><td></td><td>$</td><td>602.4</td><td></td><td></td><td>$</td><td>481.1</td><td></td><td></td><td>$</td><td>386.0</td><td></td><td></td><td>$</td><td>272.2</td><td></td><td></td><td>$</td><td>389.3</td><td></td></tr></table>
|
table
|
430.9
|
monetaryItemType
|
table: <entity> 430.9 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment | $ | 3,148.6 | $ | 405.9 | $ | 430.9 | $ | 600.4 | $ | 456.2 | $ | 386.0 | $ | 263.1 | $ | 375.4 </context>
|
us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>3,148.6</td><td></td><td></td><td>$</td><td>405.9</td><td></td><td></td><td>$</td><td>430.9</td><td></td><td></td><td>$</td><td>600.4</td><td></td><td></td><td>$</td><td>456.2</td><td></td><td></td><td>$</td><td>386.0</td><td></td><td></td><td>$</td><td>263.1</td><td></td><td></td><td>$</td><td>375.4</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>91.3</td><td></td><td></td><td>91.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>50.0</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>β</td><td></td><td></td><td>2.0</td><td></td><td></td><td>24.9</td><td></td><td></td><td>β</td><td></td><td></td><td>9.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,289.9</td><td></td><td></td><td>$</td><td>493.5</td><td></td><td></td><td>$</td><td>430.9</td><td></td><td></td><td>$</td><td>602.4</td><td></td><td></td><td>$</td><td>481.1</td><td></td><td></td><td>$</td><td>386.0</td><td></td><td></td><td>$</td><td>272.2</td><td></td><td></td><td>$</td><td>389.3</td><td></td></tr></table>
|
table
|
602.4
|
monetaryItemType
|
table: <entity> 602.4 </entity> <entity type> monetaryItemType </entity type> <context> Total Depreciation and Amortization Total Depreciation and Amortization | $ | 3,289.9 | $ | 493.5 | $ | 430.9 | $ | 602.4 | $ | 481.1 | $ | 386.0 | $ | 272.2 | $ | 389.3 </context>
|
us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>3,148.6</td><td></td><td></td><td>$</td><td>405.9</td><td></td><td></td><td>$</td><td>430.9</td><td></td><td></td><td>$</td><td>600.4</td><td></td><td></td><td>$</td><td>456.2</td><td></td><td></td><td>$</td><td>386.0</td><td></td><td></td><td>$</td><td>263.1</td><td></td><td></td><td>$</td><td>375.4</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>91.3</td><td></td><td></td><td>91.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>50.0</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>β</td><td></td><td></td><td>2.0</td><td></td><td></td><td>24.9</td><td></td><td></td><td>β</td><td></td><td></td><td>9.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,289.9</td><td></td><td></td><td>$</td><td>493.5</td><td></td><td></td><td>$</td><td>430.9</td><td></td><td></td><td>$</td><td>602.4</td><td></td><td></td><td>$</td><td>481.1</td><td></td><td></td><td>$</td><td>386.0</td><td></td><td></td><td>$</td><td>272.2</td><td></td><td></td><td>$</td><td>389.3</td><td></td></tr></table>
|
table
|
481.1
|
monetaryItemType
|
table: <entity> 481.1 </entity> <entity type> monetaryItemType </entity type> <context> Total Depreciation and Amortization Total Depreciation and Amortization | $ | 3,289.9 | $ | 493.5 | $ | 430.9 | $ | 602.4 | $ | 481.1 | $ | 386.0 | $ | 272.2 | $ | 389.3 </context>
|
us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>3,148.6</td><td></td><td></td><td>$</td><td>405.9</td><td></td><td></td><td>$</td><td>430.9</td><td></td><td></td><td>$</td><td>600.4</td><td></td><td></td><td>$</td><td>456.2</td><td></td><td></td><td>$</td><td>386.0</td><td></td><td></td><td>$</td><td>263.1</td><td></td><td></td><td>$</td><td>375.4</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>91.3</td><td></td><td></td><td>91.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>50.0</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>β</td><td></td><td></td><td>2.0</td><td></td><td></td><td>24.9</td><td></td><td></td><td>β</td><td></td><td></td><td>9.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,289.9</td><td></td><td></td><td>$</td><td>493.5</td><td></td><td></td><td>$</td><td>430.9</td><td></td><td></td><td>$</td><td>602.4</td><td></td><td></td><td>$</td><td>481.1</td><td></td><td></td><td>$</td><td>386.0</td><td></td><td></td><td>$</td><td>272.2</td><td></td><td></td><td>$</td><td>389.3</td><td></td></tr></table>
|
table
|
386.0
|
monetaryItemType
|
table: <entity> 386.0 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment | $ | 3,148.6 | $ | 405.9 | $ | 430.9 | $ | 600.4 | $ | 456.2 | $ | 386.0 | $ | 263.1 | $ | 375.4 </context>
|
us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>3,148.6</td><td></td><td></td><td>$</td><td>405.9</td><td></td><td></td><td>$</td><td>430.9</td><td></td><td></td><td>$</td><td>600.4</td><td></td><td></td><td>$</td><td>456.2</td><td></td><td></td><td>$</td><td>386.0</td><td></td><td></td><td>$</td><td>263.1</td><td></td><td></td><td>$</td><td>375.4</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>91.3</td><td></td><td></td><td>91.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>50.0</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>β</td><td></td><td></td><td>2.0</td><td></td><td></td><td>24.9</td><td></td><td></td><td>β</td><td></td><td></td><td>9.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,289.9</td><td></td><td></td><td>$</td><td>493.5</td><td></td><td></td><td>$</td><td>430.9</td><td></td><td></td><td>$</td><td>602.4</td><td></td><td></td><td>$</td><td>481.1</td><td></td><td></td><td>$</td><td>386.0</td><td></td><td></td><td>$</td><td>272.2</td><td></td><td></td><td>$</td><td>389.3</td><td></td></tr></table>
|
table
|
272.2
|
monetaryItemType
|
table: <entity> 272.2 </entity> <entity type> monetaryItemType </entity type> <context> Total Depreciation and Amortization Total Depreciation and Amortization | $ | 3,289.9 | $ | 493.5 | $ | 430.9 | $ | 602.4 | $ | 481.1 | $ | 386.0 | $ | 272.2 | $ | 389.3 </context>
|
us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2024</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>3,148.6</td><td></td><td></td><td>$</td><td>405.9</td><td></td><td></td><td>$</td><td>430.9</td><td></td><td></td><td>$</td><td>600.4</td><td></td><td></td><td>$</td><td>456.2</td><td></td><td></td><td>$</td><td>386.0</td><td></td><td></td><td>$</td><td>263.1</td><td></td><td></td><td>$</td><td>375.4</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>91.3</td><td></td><td></td><td>91.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>50.0</td><td></td><td></td><td>( 3.7 )</td><td></td><td></td><td>β</td><td></td><td></td><td>2.0</td><td></td><td></td><td>24.9</td><td></td><td></td><td>β</td><td></td><td></td><td>9.1</td><td></td><td></td><td>13.9</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,289.9</td><td></td><td></td><td>$</td><td>493.5</td><td></td><td></td><td>$</td><td>430.9</td><td></td><td></td><td>$</td><td>602.4</td><td></td><td></td><td>$</td><td>481.1</td><td></td><td></td><td>$</td><td>386.0</td><td></td><td></td><td>$</td><td>272.2</td><td></td><td></td><td>$</td><td>389.3</td><td></td></tr></table>
|
table
|
389.3
|
monetaryItemType
|
table: <entity> 389.3 </entity> <entity type> monetaryItemType </entity type> <context> Total Depreciation and Amortization Total Depreciation and Amortization | $ | 3,289.9 | $ | 493.5 | $ | 430.9 | $ | 602.4 | $ | 481.1 | $ | 386.0 | $ | 272.2 | $ | 389.3 </context>
|
us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>2,927.5</td><td></td><td></td><td>$</td><td>380.0</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.1</td><td></td><td></td><td>$</td><td>439.8</td><td></td><td></td><td>$</td><td>315.8</td><td></td><td></td><td>$</td><td>240.3</td><td></td><td></td><td>$</td><td>323.4</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>91.9</td><td></td><td></td><td>91.9</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>71.0</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>0.8</td><td></td><td></td><td>30.2</td><td></td><td></td><td>0.4</td><td></td><td></td><td>15.2</td><td></td><td></td><td>19.4</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,090.4</td><td></td><td></td><td>$</td><td>468.5</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.9</td><td></td><td></td><td>$</td><td>470.0</td><td></td><td></td><td>$</td><td>316.2</td><td></td><td></td><td>$</td><td>255.5</td><td></td><td></td><td>$</td><td>342.8</td><td></td></tr></table>
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table
|
2927.5
|
monetaryItemType
|
table: <entity> 2927.5 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment | $ | 2,927.5 | $ | 380.0 | $ | 393.8 | $ | 571.1 | $ | 439.8 | $ | 315.8 | $ | 240.3 | $ | 323.4 </context>
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us-gaap:DepreciationDepletionAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>2,927.5</td><td></td><td></td><td>$</td><td>380.0</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.1</td><td></td><td></td><td>$</td><td>439.8</td><td></td><td></td><td>$</td><td>315.8</td><td></td><td></td><td>$</td><td>240.3</td><td></td><td></td><td>$</td><td>323.4</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>91.9</td><td></td><td></td><td>91.9</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>71.0</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>0.8</td><td></td><td></td><td>30.2</td><td></td><td></td><td>0.4</td><td></td><td></td><td>15.2</td><td></td><td></td><td>19.4</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,090.4</td><td></td><td></td><td>$</td><td>468.5</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.9</td><td></td><td></td><td>$</td><td>470.0</td><td></td><td></td><td>$</td><td>316.2</td><td></td><td></td><td>$</td><td>255.5</td><td></td><td></td><td>$</td><td>342.8</td><td></td></tr></table>
|
table
|
380.0
|
monetaryItemType
|
table: <entity> 380.0 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment | $ | 2,927.5 | $ | 380.0 | $ | 393.8 | $ | 571.1 | $ | 439.8 | $ | 315.8 | $ | 240.3 | $ | 323.4 </context>
|
us-gaap:DepreciationDepletionAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>2,927.5</td><td></td><td></td><td>$</td><td>380.0</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.1</td><td></td><td></td><td>$</td><td>439.8</td><td></td><td></td><td>$</td><td>315.8</td><td></td><td></td><td>$</td><td>240.3</td><td></td><td></td><td>$</td><td>323.4</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>91.9</td><td></td><td></td><td>91.9</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>71.0</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>0.8</td><td></td><td></td><td>30.2</td><td></td><td></td><td>0.4</td><td></td><td></td><td>15.2</td><td></td><td></td><td>19.4</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,090.4</td><td></td><td></td><td>$</td><td>468.5</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.9</td><td></td><td></td><td>$</td><td>470.0</td><td></td><td></td><td>$</td><td>316.2</td><td></td><td></td><td>$</td><td>255.5</td><td></td><td></td><td>$</td><td>342.8</td><td></td></tr></table>
|
table
|
393.8
|
monetaryItemType
|
table: <entity> 393.8 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment | $ | 2,927.5 | $ | 380.0 | $ | 393.8 | $ | 571.1 | $ | 439.8 | $ | 315.8 | $ | 240.3 | $ | 323.4 </context>
|
us-gaap:DepreciationDepletionAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>2,927.5</td><td></td><td></td><td>$</td><td>380.0</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.1</td><td></td><td></td><td>$</td><td>439.8</td><td></td><td></td><td>$</td><td>315.8</td><td></td><td></td><td>$</td><td>240.3</td><td></td><td></td><td>$</td><td>323.4</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>91.9</td><td></td><td></td><td>91.9</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>71.0</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>0.8</td><td></td><td></td><td>30.2</td><td></td><td></td><td>0.4</td><td></td><td></td><td>15.2</td><td></td><td></td><td>19.4</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,090.4</td><td></td><td></td><td>$</td><td>468.5</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.9</td><td></td><td></td><td>$</td><td>470.0</td><td></td><td></td><td>$</td><td>316.2</td><td></td><td></td><td>$</td><td>255.5</td><td></td><td></td><td>$</td><td>342.8</td><td></td></tr></table>
|
table
|
571.1
|
monetaryItemType
|
table: <entity> 571.1 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment | $ | 2,927.5 | $ | 380.0 | $ | 393.8 | $ | 571.1 | $ | 439.8 | $ | 315.8 | $ | 240.3 | $ | 323.4 </context>
|
us-gaap:DepreciationDepletionAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>2,927.5</td><td></td><td></td><td>$</td><td>380.0</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.1</td><td></td><td></td><td>$</td><td>439.8</td><td></td><td></td><td>$</td><td>315.8</td><td></td><td></td><td>$</td><td>240.3</td><td></td><td></td><td>$</td><td>323.4</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>91.9</td><td></td><td></td><td>91.9</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>71.0</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>0.8</td><td></td><td></td><td>30.2</td><td></td><td></td><td>0.4</td><td></td><td></td><td>15.2</td><td></td><td></td><td>19.4</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,090.4</td><td></td><td></td><td>$</td><td>468.5</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.9</td><td></td><td></td><td>$</td><td>470.0</td><td></td><td></td><td>$</td><td>316.2</td><td></td><td></td><td>$</td><td>255.5</td><td></td><td></td><td>$</td><td>342.8</td><td></td></tr></table>
|
table
|
439.8
|
monetaryItemType
|
table: <entity> 439.8 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment | $ | 2,927.5 | $ | 380.0 | $ | 393.8 | $ | 571.1 | $ | 439.8 | $ | 315.8 | $ | 240.3 | $ | 323.4 </context>
|
us-gaap:DepreciationDepletionAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>2,927.5</td><td></td><td></td><td>$</td><td>380.0</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.1</td><td></td><td></td><td>$</td><td>439.8</td><td></td><td></td><td>$</td><td>315.8</td><td></td><td></td><td>$</td><td>240.3</td><td></td><td></td><td>$</td><td>323.4</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>91.9</td><td></td><td></td><td>91.9</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>71.0</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>0.8</td><td></td><td></td><td>30.2</td><td></td><td></td><td>0.4</td><td></td><td></td><td>15.2</td><td></td><td></td><td>19.4</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,090.4</td><td></td><td></td><td>$</td><td>468.5</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.9</td><td></td><td></td><td>$</td><td>470.0</td><td></td><td></td><td>$</td><td>316.2</td><td></td><td></td><td>$</td><td>255.5</td><td></td><td></td><td>$</td><td>342.8</td><td></td></tr></table>
|
table
|
315.8
|
monetaryItemType
|
table: <entity> 315.8 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment | $ | 2,927.5 | $ | 380.0 | $ | 393.8 | $ | 571.1 | $ | 439.8 | $ | 315.8 | $ | 240.3 | $ | 323.4 </context>
|
us-gaap:DepreciationDepletionAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>2,927.5</td><td></td><td></td><td>$</td><td>380.0</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.1</td><td></td><td></td><td>$</td><td>439.8</td><td></td><td></td><td>$</td><td>315.8</td><td></td><td></td><td>$</td><td>240.3</td><td></td><td></td><td>$</td><td>323.4</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>91.9</td><td></td><td></td><td>91.9</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>71.0</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>0.8</td><td></td><td></td><td>30.2</td><td></td><td></td><td>0.4</td><td></td><td></td><td>15.2</td><td></td><td></td><td>19.4</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,090.4</td><td></td><td></td><td>$</td><td>468.5</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.9</td><td></td><td></td><td>$</td><td>470.0</td><td></td><td></td><td>$</td><td>316.2</td><td></td><td></td><td>$</td><td>255.5</td><td></td><td></td><td>$</td><td>342.8</td><td></td></tr></table>
|
table
|
240.3
|
monetaryItemType
|
table: <entity> 240.3 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment | $ | 2,927.5 | $ | 380.0 | $ | 393.8 | $ | 571.1 | $ | 439.8 | $ | 315.8 | $ | 240.3 | $ | 323.4 </context>
|
us-gaap:DepreciationDepletionAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>2,927.5</td><td></td><td></td><td>$</td><td>380.0</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.1</td><td></td><td></td><td>$</td><td>439.8</td><td></td><td></td><td>$</td><td>315.8</td><td></td><td></td><td>$</td><td>240.3</td><td></td><td></td><td>$</td><td>323.4</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>91.9</td><td></td><td></td><td>91.9</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>71.0</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>0.8</td><td></td><td></td><td>30.2</td><td></td><td></td><td>0.4</td><td></td><td></td><td>15.2</td><td></td><td></td><td>19.4</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,090.4</td><td></td><td></td><td>$</td><td>468.5</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.9</td><td></td><td></td><td>$</td><td>470.0</td><td></td><td></td><td>$</td><td>316.2</td><td></td><td></td><td>$</td><td>255.5</td><td></td><td></td><td>$</td><td>342.8</td><td></td></tr></table>
|
table
|
323.4
|
monetaryItemType
|
table: <entity> 323.4 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment | $ | 2,927.5 | $ | 380.0 | $ | 393.8 | $ | 571.1 | $ | 439.8 | $ | 315.8 | $ | 240.3 | $ | 323.4 </context>
|
us-gaap:DepreciationDepletionAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>2,927.5</td><td></td><td></td><td>$</td><td>380.0</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.1</td><td></td><td></td><td>$</td><td>439.8</td><td></td><td></td><td>$</td><td>315.8</td><td></td><td></td><td>$</td><td>240.3</td><td></td><td></td><td>$</td><td>323.4</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>91.9</td><td></td><td></td><td>91.9</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>71.0</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>0.8</td><td></td><td></td><td>30.2</td><td></td><td></td><td>0.4</td><td></td><td></td><td>15.2</td><td></td><td></td><td>19.4</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,090.4</td><td></td><td></td><td>$</td><td>468.5</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.9</td><td></td><td></td><td>$</td><td>470.0</td><td></td><td></td><td>$</td><td>316.2</td><td></td><td></td><td>$</td><td>255.5</td><td></td><td></td><td>$</td><td>342.8</td><td></td></tr></table>
|
table
|
3090.4
|
monetaryItemType
|
table: <entity> 3090.4 </entity> <entity type> monetaryItemType </entity type> <context> Total Depreciation and Amortization Total Depreciation and Amortization | $ | 3,090.4 | $ | 468.5 | $ | 393.8 | $ | 571.9 | $ | 470.0 | $ | 316.2 | $ | 255.5 | $ | 342.8 </context>
|
us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>2,927.5</td><td></td><td></td><td>$</td><td>380.0</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.1</td><td></td><td></td><td>$</td><td>439.8</td><td></td><td></td><td>$</td><td>315.8</td><td></td><td></td><td>$</td><td>240.3</td><td></td><td></td><td>$</td><td>323.4</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>91.9</td><td></td><td></td><td>91.9</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>71.0</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>0.8</td><td></td><td></td><td>30.2</td><td></td><td></td><td>0.4</td><td></td><td></td><td>15.2</td><td></td><td></td><td>19.4</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,090.4</td><td></td><td></td><td>$</td><td>468.5</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.9</td><td></td><td></td><td>$</td><td>470.0</td><td></td><td></td><td>$</td><td>316.2</td><td></td><td></td><td>$</td><td>255.5</td><td></td><td></td><td>$</td><td>342.8</td><td></td></tr></table>
|
table
|
468.5
|
monetaryItemType
|
table: <entity> 468.5 </entity> <entity type> monetaryItemType </entity type> <context> Total Depreciation and Amortization Total Depreciation and Amortization | $ | 3,090.4 | $ | 468.5 | $ | 393.8 | $ | 571.9 | $ | 470.0 | $ | 316.2 | $ | 255.5 | $ | 342.8 </context>
|
us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>2,927.5</td><td></td><td></td><td>$</td><td>380.0</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.1</td><td></td><td></td><td>$</td><td>439.8</td><td></td><td></td><td>$</td><td>315.8</td><td></td><td></td><td>$</td><td>240.3</td><td></td><td></td><td>$</td><td>323.4</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>91.9</td><td></td><td></td><td>91.9</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>71.0</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>0.8</td><td></td><td></td><td>30.2</td><td></td><td></td><td>0.4</td><td></td><td></td><td>15.2</td><td></td><td></td><td>19.4</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,090.4</td><td></td><td></td><td>$</td><td>468.5</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.9</td><td></td><td></td><td>$</td><td>470.0</td><td></td><td></td><td>$</td><td>316.2</td><td></td><td></td><td>$</td><td>255.5</td><td></td><td></td><td>$</td><td>342.8</td><td></td></tr></table>
|
table
|
393.8
|
monetaryItemType
|
table: <entity> 393.8 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment | $ | 2,927.5 | $ | 380.0 | $ | 393.8 | $ | 571.1 | $ | 439.8 | $ | 315.8 | $ | 240.3 | $ | 323.4 </context>
|
us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>2,927.5</td><td></td><td></td><td>$</td><td>380.0</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.1</td><td></td><td></td><td>$</td><td>439.8</td><td></td><td></td><td>$</td><td>315.8</td><td></td><td></td><td>$</td><td>240.3</td><td></td><td></td><td>$</td><td>323.4</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>91.9</td><td></td><td></td><td>91.9</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>71.0</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>0.8</td><td></td><td></td><td>30.2</td><td></td><td></td><td>0.4</td><td></td><td></td><td>15.2</td><td></td><td></td><td>19.4</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,090.4</td><td></td><td></td><td>$</td><td>468.5</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.9</td><td></td><td></td><td>$</td><td>470.0</td><td></td><td></td><td>$</td><td>316.2</td><td></td><td></td><td>$</td><td>255.5</td><td></td><td></td><td>$</td><td>342.8</td><td></td></tr></table>
|
table
|
571.9
|
monetaryItemType
|
table: <entity> 571.9 </entity> <entity type> monetaryItemType </entity type> <context> Total Depreciation and Amortization Total Depreciation and Amortization | $ | 3,090.4 | $ | 468.5 | $ | 393.8 | $ | 571.9 | $ | 470.0 | $ | 316.2 | $ | 255.5 | $ | 342.8 </context>
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us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>2,927.5</td><td></td><td></td><td>$</td><td>380.0</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.1</td><td></td><td></td><td>$</td><td>439.8</td><td></td><td></td><td>$</td><td>315.8</td><td></td><td></td><td>$</td><td>240.3</td><td></td><td></td><td>$</td><td>323.4</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>91.9</td><td></td><td></td><td>91.9</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>71.0</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>0.8</td><td></td><td></td><td>30.2</td><td></td><td></td><td>0.4</td><td></td><td></td><td>15.2</td><td></td><td></td><td>19.4</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,090.4</td><td></td><td></td><td>$</td><td>468.5</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.9</td><td></td><td></td><td>$</td><td>470.0</td><td></td><td></td><td>$</td><td>316.2</td><td></td><td></td><td>$</td><td>255.5</td><td></td><td></td><td>$</td><td>342.8</td><td></td></tr></table>
|
table
|
470.0
|
monetaryItemType
|
table: <entity> 470.0 </entity> <entity type> monetaryItemType </entity type> <context> Total Depreciation and Amortization Total Depreciation and Amortization | $ | 3,090.4 | $ | 468.5 | $ | 393.8 | $ | 571.9 | $ | 470.0 | $ | 316.2 | $ | 255.5 | $ | 342.8 </context>
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us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>2,927.5</td><td></td><td></td><td>$</td><td>380.0</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.1</td><td></td><td></td><td>$</td><td>439.8</td><td></td><td></td><td>$</td><td>315.8</td><td></td><td></td><td>$</td><td>240.3</td><td></td><td></td><td>$</td><td>323.4</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>91.9</td><td></td><td></td><td>91.9</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>71.0</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>0.8</td><td></td><td></td><td>30.2</td><td></td><td></td><td>0.4</td><td></td><td></td><td>15.2</td><td></td><td></td><td>19.4</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,090.4</td><td></td><td></td><td>$</td><td>468.5</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.9</td><td></td><td></td><td>$</td><td>470.0</td><td></td><td></td><td>$</td><td>316.2</td><td></td><td></td><td>$</td><td>255.5</td><td></td><td></td><td>$</td><td>342.8</td><td></td></tr></table>
|
table
|
316.2
|
monetaryItemType
|
table: <entity> 316.2 </entity> <entity type> monetaryItemType </entity type> <context> Total Depreciation and Amortization Total Depreciation and Amortization | $ | 3,090.4 | $ | 468.5 | $ | 393.8 | $ | 571.9 | $ | 470.0 | $ | 316.2 | $ | 255.5 | $ | 342.8 </context>
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us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>2,927.5</td><td></td><td></td><td>$</td><td>380.0</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.1</td><td></td><td></td><td>$</td><td>439.8</td><td></td><td></td><td>$</td><td>315.8</td><td></td><td></td><td>$</td><td>240.3</td><td></td><td></td><td>$</td><td>323.4</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>91.9</td><td></td><td></td><td>91.9</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>71.0</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>0.8</td><td></td><td></td><td>30.2</td><td></td><td></td><td>0.4</td><td></td><td></td><td>15.2</td><td></td><td></td><td>19.4</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,090.4</td><td></td><td></td><td>$</td><td>468.5</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.9</td><td></td><td></td><td>$</td><td>470.0</td><td></td><td></td><td>$</td><td>316.2</td><td></td><td></td><td>$</td><td>255.5</td><td></td><td></td><td>$</td><td>342.8</td><td></td></tr></table>
|
table
|
255.5
|
monetaryItemType
|
table: <entity> 255.5 </entity> <entity type> monetaryItemType </entity type> <context> Total Depreciation and Amortization Total Depreciation and Amortization | $ | 3,090.4 | $ | 468.5 | $ | 393.8 | $ | 571.9 | $ | 470.0 | $ | 316.2 | $ | 255.5 | $ | 342.8 </context>
|
us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2023</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>2,927.5</td><td></td><td></td><td>$</td><td>380.0</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.1</td><td></td><td></td><td>$</td><td>439.8</td><td></td><td></td><td>$</td><td>315.8</td><td></td><td></td><td>$</td><td>240.3</td><td></td><td></td><td>$</td><td>323.4</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>91.9</td><td></td><td></td><td>91.9</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>71.0</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>0.8</td><td></td><td></td><td>30.2</td><td></td><td></td><td>0.4</td><td></td><td></td><td>15.2</td><td></td><td></td><td>19.4</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,090.4</td><td></td><td></td><td>$</td><td>468.5</td><td></td><td></td><td>$</td><td>393.8</td><td></td><td></td><td>$</td><td>571.9</td><td></td><td></td><td>$</td><td>470.0</td><td></td><td></td><td>$</td><td>316.2</td><td></td><td></td><td>$</td><td>255.5</td><td></td><td></td><td>$</td><td>342.8</td><td></td></tr></table>
|
table
|
342.8
|
monetaryItemType
|
table: <entity> 342.8 </entity> <entity type> monetaryItemType </entity type> <context> Total Depreciation and Amortization Total Depreciation and Amortization | $ | 3,090.4 | $ | 468.5 | $ | 393.8 | $ | 571.9 | $ | 470.0 | $ | 316.2 | $ | 255.5 | $ | 342.8 </context>
|
us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>3,072.8</td><td></td><td></td><td>$</td><td>363.5</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>576.1</td><td></td><td></td><td>$</td><td>511.9</td><td></td><td></td><td>$</td><td>293.1</td><td></td><td></td><td>$</td><td>226.2</td><td></td><td></td><td>$</td><td>319.3</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>93.3</td><td></td><td></td><td>93.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>36.7</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 0.2 )</td><td></td><td></td><td>15.3</td><td></td><td></td><td>1.2</td><td></td><td></td><td>3.9</td><td></td><td></td><td>5.5</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,202.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>575.9</td><td></td><td></td><td>$</td><td>527.2</td><td></td><td></td><td>$</td><td>294.3</td><td></td><td></td><td>$</td><td>230.1</td><td></td><td></td><td>$</td><td>324.8</td><td></td></tr></table>
|
table
|
3072.8
|
monetaryItemType
|
table: <entity> 3072.8 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment | $ | 3,072.8 | $ | 363.5 | $ | 346.2 | $ | 576.1 | $ | 511.9 | $ | 293.1 | $ | 226.2 | $ | 319.3 </context>
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us-gaap:DepreciationDepletionAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>3,072.8</td><td></td><td></td><td>$</td><td>363.5</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>576.1</td><td></td><td></td><td>$</td><td>511.9</td><td></td><td></td><td>$</td><td>293.1</td><td></td><td></td><td>$</td><td>226.2</td><td></td><td></td><td>$</td><td>319.3</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>93.3</td><td></td><td></td><td>93.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>36.7</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 0.2 )</td><td></td><td></td><td>15.3</td><td></td><td></td><td>1.2</td><td></td><td></td><td>3.9</td><td></td><td></td><td>5.5</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,202.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>575.9</td><td></td><td></td><td>$</td><td>527.2</td><td></td><td></td><td>$</td><td>294.3</td><td></td><td></td><td>$</td><td>230.1</td><td></td><td></td><td>$</td><td>324.8</td><td></td></tr></table>
|
table
|
363.5
|
monetaryItemType
|
table: <entity> 363.5 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment | $ | 3,072.8 | $ | 363.5 | $ | 346.2 | $ | 576.1 | $ | 511.9 | $ | 293.1 | $ | 226.2 | $ | 319.3 </context>
|
us-gaap:DepreciationDepletionAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>3,072.8</td><td></td><td></td><td>$</td><td>363.5</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>576.1</td><td></td><td></td><td>$</td><td>511.9</td><td></td><td></td><td>$</td><td>293.1</td><td></td><td></td><td>$</td><td>226.2</td><td></td><td></td><td>$</td><td>319.3</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>93.3</td><td></td><td></td><td>93.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>36.7</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 0.2 )</td><td></td><td></td><td>15.3</td><td></td><td></td><td>1.2</td><td></td><td></td><td>3.9</td><td></td><td></td><td>5.5</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,202.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>575.9</td><td></td><td></td><td>$</td><td>527.2</td><td></td><td></td><td>$</td><td>294.3</td><td></td><td></td><td>$</td><td>230.1</td><td></td><td></td><td>$</td><td>324.8</td><td></td></tr></table>
|
table
|
346.2
|
monetaryItemType
|
table: <entity> 346.2 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment | $ | 3,072.8 | $ | 363.5 | $ | 346.2 | $ | 576.1 | $ | 511.9 | $ | 293.1 | $ | 226.2 | $ | 319.3 </context>
|
us-gaap:DepreciationDepletionAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>3,072.8</td><td></td><td></td><td>$</td><td>363.5</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>576.1</td><td></td><td></td><td>$</td><td>511.9</td><td></td><td></td><td>$</td><td>293.1</td><td></td><td></td><td>$</td><td>226.2</td><td></td><td></td><td>$</td><td>319.3</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>93.3</td><td></td><td></td><td>93.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>36.7</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 0.2 )</td><td></td><td></td><td>15.3</td><td></td><td></td><td>1.2</td><td></td><td></td><td>3.9</td><td></td><td></td><td>5.5</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,202.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>575.9</td><td></td><td></td><td>$</td><td>527.2</td><td></td><td></td><td>$</td><td>294.3</td><td></td><td></td><td>$</td><td>230.1</td><td></td><td></td><td>$</td><td>324.8</td><td></td></tr></table>
|
table
|
576.1
|
monetaryItemType
|
table: <entity> 576.1 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment | $ | 3,072.8 | $ | 363.5 | $ | 346.2 | $ | 576.1 | $ | 511.9 | $ | 293.1 | $ | 226.2 | $ | 319.3 </context>
|
us-gaap:DepreciationDepletionAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>3,072.8</td><td></td><td></td><td>$</td><td>363.5</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>576.1</td><td></td><td></td><td>$</td><td>511.9</td><td></td><td></td><td>$</td><td>293.1</td><td></td><td></td><td>$</td><td>226.2</td><td></td><td></td><td>$</td><td>319.3</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>93.3</td><td></td><td></td><td>93.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>36.7</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 0.2 )</td><td></td><td></td><td>15.3</td><td></td><td></td><td>1.2</td><td></td><td></td><td>3.9</td><td></td><td></td><td>5.5</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,202.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>575.9</td><td></td><td></td><td>$</td><td>527.2</td><td></td><td></td><td>$</td><td>294.3</td><td></td><td></td><td>$</td><td>230.1</td><td></td><td></td><td>$</td><td>324.8</td><td></td></tr></table>
|
table
|
511.9
|
monetaryItemType
|
table: <entity> 511.9 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment | $ | 3,072.8 | $ | 363.5 | $ | 346.2 | $ | 576.1 | $ | 511.9 | $ | 293.1 | $ | 226.2 | $ | 319.3 </context>
|
us-gaap:DepreciationDepletionAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>3,072.8</td><td></td><td></td><td>$</td><td>363.5</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>576.1</td><td></td><td></td><td>$</td><td>511.9</td><td></td><td></td><td>$</td><td>293.1</td><td></td><td></td><td>$</td><td>226.2</td><td></td><td></td><td>$</td><td>319.3</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>93.3</td><td></td><td></td><td>93.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>36.7</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 0.2 )</td><td></td><td></td><td>15.3</td><td></td><td></td><td>1.2</td><td></td><td></td><td>3.9</td><td></td><td></td><td>5.5</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,202.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>575.9</td><td></td><td></td><td>$</td><td>527.2</td><td></td><td></td><td>$</td><td>294.3</td><td></td><td></td><td>$</td><td>230.1</td><td></td><td></td><td>$</td><td>324.8</td><td></td></tr></table>
|
table
|
293.1
|
monetaryItemType
|
table: <entity> 293.1 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment | $ | 3,072.8 | $ | 363.5 | $ | 346.2 | $ | 576.1 | $ | 511.9 | $ | 293.1 | $ | 226.2 | $ | 319.3 </context>
|
us-gaap:DepreciationDepletionAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>3,072.8</td><td></td><td></td><td>$</td><td>363.5</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>576.1</td><td></td><td></td><td>$</td><td>511.9</td><td></td><td></td><td>$</td><td>293.1</td><td></td><td></td><td>$</td><td>226.2</td><td></td><td></td><td>$</td><td>319.3</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>93.3</td><td></td><td></td><td>93.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>36.7</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 0.2 )</td><td></td><td></td><td>15.3</td><td></td><td></td><td>1.2</td><td></td><td></td><td>3.9</td><td></td><td></td><td>5.5</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,202.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>575.9</td><td></td><td></td><td>$</td><td>527.2</td><td></td><td></td><td>$</td><td>294.3</td><td></td><td></td><td>$</td><td>230.1</td><td></td><td></td><td>$</td><td>324.8</td><td></td></tr></table>
|
table
|
226.2
|
monetaryItemType
|
table: <entity> 226.2 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment | $ | 3,072.8 | $ | 363.5 | $ | 346.2 | $ | 576.1 | $ | 511.9 | $ | 293.1 | $ | 226.2 | $ | 319.3 </context>
|
us-gaap:DepreciationDepletionAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>3,072.8</td><td></td><td></td><td>$</td><td>363.5</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>576.1</td><td></td><td></td><td>$</td><td>511.9</td><td></td><td></td><td>$</td><td>293.1</td><td></td><td></td><td>$</td><td>226.2</td><td></td><td></td><td>$</td><td>319.3</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>93.3</td><td></td><td></td><td>93.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>36.7</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 0.2 )</td><td></td><td></td><td>15.3</td><td></td><td></td><td>1.2</td><td></td><td></td><td>3.9</td><td></td><td></td><td>5.5</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,202.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>575.9</td><td></td><td></td><td>$</td><td>527.2</td><td></td><td></td><td>$</td><td>294.3</td><td></td><td></td><td>$</td><td>230.1</td><td></td><td></td><td>$</td><td>324.8</td><td></td></tr></table>
|
table
|
319.3
|
monetaryItemType
|
table: <entity> 319.3 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment | $ | 3,072.8 | $ | 363.5 | $ | 346.2 | $ | 576.1 | $ | 511.9 | $ | 293.1 | $ | 226.2 | $ | 319.3 </context>
|
us-gaap:DepreciationDepletionAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>3,072.8</td><td></td><td></td><td>$</td><td>363.5</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>576.1</td><td></td><td></td><td>$</td><td>511.9</td><td></td><td></td><td>$</td><td>293.1</td><td></td><td></td><td>$</td><td>226.2</td><td></td><td></td><td>$</td><td>319.3</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>93.3</td><td></td><td></td><td>93.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>36.7</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 0.2 )</td><td></td><td></td><td>15.3</td><td></td><td></td><td>1.2</td><td></td><td></td><td>3.9</td><td></td><td></td><td>5.5</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,202.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>575.9</td><td></td><td></td><td>$</td><td>527.2</td><td></td><td></td><td>$</td><td>294.3</td><td></td><td></td><td>$</td><td>230.1</td><td></td><td></td><td>$</td><td>324.8</td><td></td></tr></table>
|
table
|
3202.8
|
monetaryItemType
|
table: <entity> 3202.8 </entity> <entity type> monetaryItemType </entity type> <context> Total Depreciation and Amortization Total Depreciation and Amortization | $ | 3,202.8 | $ | 452.4 | $ | 346.2 | $ | 575.9 | $ | 527.2 | $ | 294.3 | $ | 230.1 | $ | 324.8 </context>
|
us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>3,072.8</td><td></td><td></td><td>$</td><td>363.5</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>576.1</td><td></td><td></td><td>$</td><td>511.9</td><td></td><td></td><td>$</td><td>293.1</td><td></td><td></td><td>$</td><td>226.2</td><td></td><td></td><td>$</td><td>319.3</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>93.3</td><td></td><td></td><td>93.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>36.7</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 0.2 )</td><td></td><td></td><td>15.3</td><td></td><td></td><td>1.2</td><td></td><td></td><td>3.9</td><td></td><td></td><td>5.5</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,202.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>575.9</td><td></td><td></td><td>$</td><td>527.2</td><td></td><td></td><td>$</td><td>294.3</td><td></td><td></td><td>$</td><td>230.1</td><td></td><td></td><td>$</td><td>324.8</td><td></td></tr></table>
|
table
|
452.4
|
monetaryItemType
|
table: <entity> 452.4 </entity> <entity type> monetaryItemType </entity type> <context> Total Depreciation and Amortization Total Depreciation and Amortization | $ | 3,202.8 | $ | 452.4 | $ | 346.2 | $ | 575.9 | $ | 527.2 | $ | 294.3 | $ | 230.1 | $ | 324.8 </context>
|
us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>3,072.8</td><td></td><td></td><td>$</td><td>363.5</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>576.1</td><td></td><td></td><td>$</td><td>511.9</td><td></td><td></td><td>$</td><td>293.1</td><td></td><td></td><td>$</td><td>226.2</td><td></td><td></td><td>$</td><td>319.3</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>93.3</td><td></td><td></td><td>93.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>36.7</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 0.2 )</td><td></td><td></td><td>15.3</td><td></td><td></td><td>1.2</td><td></td><td></td><td>3.9</td><td></td><td></td><td>5.5</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,202.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>575.9</td><td></td><td></td><td>$</td><td>527.2</td><td></td><td></td><td>$</td><td>294.3</td><td></td><td></td><td>$</td><td>230.1</td><td></td><td></td><td>$</td><td>324.8</td><td></td></tr></table>
|
table
|
346.2
|
monetaryItemType
|
table: <entity> 346.2 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment | $ | 3,072.8 | $ | 363.5 | $ | 346.2 | $ | 576.1 | $ | 511.9 | $ | 293.1 | $ | 226.2 | $ | 319.3 </context>
|
us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>3,072.8</td><td></td><td></td><td>$</td><td>363.5</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>576.1</td><td></td><td></td><td>$</td><td>511.9</td><td></td><td></td><td>$</td><td>293.1</td><td></td><td></td><td>$</td><td>226.2</td><td></td><td></td><td>$</td><td>319.3</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>93.3</td><td></td><td></td><td>93.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>36.7</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 0.2 )</td><td></td><td></td><td>15.3</td><td></td><td></td><td>1.2</td><td></td><td></td><td>3.9</td><td></td><td></td><td>5.5</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,202.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>575.9</td><td></td><td></td><td>$</td><td>527.2</td><td></td><td></td><td>$</td><td>294.3</td><td></td><td></td><td>$</td><td>230.1</td><td></td><td></td><td>$</td><td>324.8</td><td></td></tr></table>
|
table
|
575.9
|
monetaryItemType
|
table: <entity> 575.9 </entity> <entity type> monetaryItemType </entity type> <context> Total Depreciation and Amortization Total Depreciation and Amortization | $ | 3,202.8 | $ | 452.4 | $ | 346.2 | $ | 575.9 | $ | 527.2 | $ | 294.3 | $ | 230.1 | $ | 324.8 </context>
|
us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>3,072.8</td><td></td><td></td><td>$</td><td>363.5</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>576.1</td><td></td><td></td><td>$</td><td>511.9</td><td></td><td></td><td>$</td><td>293.1</td><td></td><td></td><td>$</td><td>226.2</td><td></td><td></td><td>$</td><td>319.3</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>93.3</td><td></td><td></td><td>93.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>36.7</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 0.2 )</td><td></td><td></td><td>15.3</td><td></td><td></td><td>1.2</td><td></td><td></td><td>3.9</td><td></td><td></td><td>5.5</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,202.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>575.9</td><td></td><td></td><td>$</td><td>527.2</td><td></td><td></td><td>$</td><td>294.3</td><td></td><td></td><td>$</td><td>230.1</td><td></td><td></td><td>$</td><td>324.8</td><td></td></tr></table>
|
table
|
527.2
|
monetaryItemType
|
table: <entity> 527.2 </entity> <entity type> monetaryItemType </entity type> <context> Total Depreciation and Amortization Total Depreciation and Amortization | $ | 3,202.8 | $ | 452.4 | $ | 346.2 | $ | 575.9 | $ | 527.2 | $ | 294.3 | $ | 230.1 | $ | 324.8 </context>
|
us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>3,072.8</td><td></td><td></td><td>$</td><td>363.5</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>576.1</td><td></td><td></td><td>$</td><td>511.9</td><td></td><td></td><td>$</td><td>293.1</td><td></td><td></td><td>$</td><td>226.2</td><td></td><td></td><td>$</td><td>319.3</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>93.3</td><td></td><td></td><td>93.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>36.7</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 0.2 )</td><td></td><td></td><td>15.3</td><td></td><td></td><td>1.2</td><td></td><td></td><td>3.9</td><td></td><td></td><td>5.5</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,202.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>575.9</td><td></td><td></td><td>$</td><td>527.2</td><td></td><td></td><td>$</td><td>294.3</td><td></td><td></td><td>$</td><td>230.1</td><td></td><td></td><td>$</td><td>324.8</td><td></td></tr></table>
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table
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294.3
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monetaryItemType
|
table: <entity> 294.3 </entity> <entity type> monetaryItemType </entity type> <context> Total Depreciation and Amortization Total Depreciation and Amortization | $ | 3,202.8 | $ | 452.4 | $ | 346.2 | $ | 575.9 | $ | 527.2 | $ | 294.3 | $ | 230.1 | $ | 324.8 </context>
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us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>3,072.8</td><td></td><td></td><td>$</td><td>363.5</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>576.1</td><td></td><td></td><td>$</td><td>511.9</td><td></td><td></td><td>$</td><td>293.1</td><td></td><td></td><td>$</td><td>226.2</td><td></td><td></td><td>$</td><td>319.3</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>93.3</td><td></td><td></td><td>93.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>36.7</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 0.2 )</td><td></td><td></td><td>15.3</td><td></td><td></td><td>1.2</td><td></td><td></td><td>3.9</td><td></td><td></td><td>5.5</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,202.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>575.9</td><td></td><td></td><td>$</td><td>527.2</td><td></td><td></td><td>$</td><td>294.3</td><td></td><td></td><td>$</td><td>230.1</td><td></td><td></td><td>$</td><td>324.8</td><td></td></tr></table>
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table
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230.1
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monetaryItemType
|
table: <entity> 230.1 </entity> <entity type> monetaryItemType </entity type> <context> Total Depreciation and Amortization Total Depreciation and Amortization | $ | 3,202.8 | $ | 452.4 | $ | 346.2 | $ | 575.9 | $ | 527.2 | $ | 294.3 | $ | 230.1 | $ | 324.8 </context>
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us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>2022</td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>AEP</td><td></td><td>AEP Texas</td><td></td><td>AEPTCo</td><td></td><td>APCo</td><td></td><td>I&M</td><td></td><td>OPCo</td><td></td><td>PSO</td><td></td><td>SWEPCo</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Depreciation and Amortization of Property, Plant and Equipment Depreciation and Amortization of Property, Plant and Equipment</td><td></td><td>$</td><td>3,072.8</td><td></td><td></td><td>$</td><td>363.5</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>576.1</td><td></td><td></td><td>$</td><td>511.9</td><td></td><td></td><td>$</td><td>293.1</td><td></td><td></td><td>$</td><td>226.2</td><td></td><td></td><td>$</td><td>319.3</td><td></td></tr><tr><td>Amortization of Certain Securitized Assets Amortization of Certain Securitized Assets</td><td></td><td>93.3</td><td></td><td></td><td>93.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Amortization of Regulatory Assets and Liabilities Amortization of Regulatory Assets and Liabilities</td><td></td><td>36.7</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 0.2 )</td><td></td><td></td><td>15.3</td><td></td><td></td><td>1.2</td><td></td><td></td><td>3.9</td><td></td><td></td><td>5.5</td><td></td></tr><tr><td>Total Depreciation and Amortization Total Depreciation and Amortization</td><td></td><td>$</td><td>3,202.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>346.2</td><td></td><td></td><td>$</td><td>575.9</td><td></td><td></td><td>$</td><td>527.2</td><td></td><td></td><td>$</td><td>294.3</td><td></td><td></td><td>$</td><td>230.1</td><td></td><td></td><td>$</td><td>324.8</td><td></td></tr></table>
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table
|
324.8
|
monetaryItemType
|
table: <entity> 324.8 </entity> <entity type> monetaryItemType </entity type> <context> Total Depreciation and Amortization Total Depreciation and Amortization | $ | 3,202.8 | $ | 452.4 | $ | 346.2 | $ | 575.9 | $ | 527.2 | $ | 294.3 | $ | 230.1 | $ | 324.8 </context>
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us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Information</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>Cash Paid (Received) for:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>1,837.8</td><td></td><td></td><td>$</td><td>1,673.5</td><td></td><td></td><td>$</td><td>1,286.3</td><td></td></tr><tr><td>Income Taxes</td><td></td><td>133.4</td><td></td><td></td><td>78.4</td><td></td><td></td><td>116.8</td><td></td></tr><tr><td>Sale of Transferable Tax Credits</td><td></td><td>( 202.0 )</td><td></td><td></td><td>( 102.0 )</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Noncash Investing and Financing Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Acquisitions Under Finance Leases</td><td></td><td>29.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>31.8</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>1,312.0</td><td></td><td></td><td>842.4</td><td></td><td></td><td>1,258.9</td><td></td></tr><tr><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></td><td></td></tr><tr><td>Acquisition of Nuclear Fuel Included in Current Liabilities as of December 31,</td><td></td><td>23.5</td><td></td><td></td><td>24.2</td><td></td><td></td><td>β</td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><td>Noncash Increase in Noncurrent Assets from the Sale of the Competitive Noncash Increase in Noncurrent Assets from the Sale of the Competitive Contracted Renewables Portfolio Contracted Renewables Portfolio</td><td></td><td>β</td><td></td><td></td><td>74.7</td><td></td><td></td><td>β</td><td></td></tr></table>
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table
|
1837.8
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monetaryItemType
|
table: <entity> 1837.8 </entity> <entity type> monetaryItemType </entity type> <context> Interest, Net of Capitalized Amounts | $ | 1,837.8 | $ | 1,673.5 | $ | 1,286.3 </context>
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us-gaap:InterestPaidNet
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Information</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>Cash Paid (Received) for:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>1,837.8</td><td></td><td></td><td>$</td><td>1,673.5</td><td></td><td></td><td>$</td><td>1,286.3</td><td></td></tr><tr><td>Income Taxes</td><td></td><td>133.4</td><td></td><td></td><td>78.4</td><td></td><td></td><td>116.8</td><td></td></tr><tr><td>Sale of Transferable Tax Credits</td><td></td><td>( 202.0 )</td><td></td><td></td><td>( 102.0 )</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Noncash Investing and Financing Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Acquisitions Under Finance Leases</td><td></td><td>29.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>31.8</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>1,312.0</td><td></td><td></td><td>842.4</td><td></td><td></td><td>1,258.9</td><td></td></tr><tr><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></td><td></td></tr><tr><td>Acquisition of Nuclear Fuel Included in Current Liabilities as of December 31,</td><td></td><td>23.5</td><td></td><td></td><td>24.2</td><td></td><td></td><td>β</td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><td>Noncash Increase in Noncurrent Assets from the Sale of the Competitive Noncash Increase in Noncurrent Assets from the Sale of the Competitive Contracted Renewables Portfolio Contracted Renewables Portfolio</td><td></td><td>β</td><td></td><td></td><td>74.7</td><td></td><td></td><td>β</td><td></td></tr></table>
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table
|
1673.5
|
monetaryItemType
|
table: <entity> 1673.5 </entity> <entity type> monetaryItemType </entity type> <context> Interest, Net of Capitalized Amounts | $ | 1,837.8 | $ | 1,673.5 | $ | 1,286.3 </context>
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us-gaap:InterestPaidNet
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Information</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>Cash Paid (Received) for:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>1,837.8</td><td></td><td></td><td>$</td><td>1,673.5</td><td></td><td></td><td>$</td><td>1,286.3</td><td></td></tr><tr><td>Income Taxes</td><td></td><td>133.4</td><td></td><td></td><td>78.4</td><td></td><td></td><td>116.8</td><td></td></tr><tr><td>Sale of Transferable Tax Credits</td><td></td><td>( 202.0 )</td><td></td><td></td><td>( 102.0 )</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Noncash Investing and Financing Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Acquisitions Under Finance Leases</td><td></td><td>29.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>31.8</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>1,312.0</td><td></td><td></td><td>842.4</td><td></td><td></td><td>1,258.9</td><td></td></tr><tr><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></td><td></td></tr><tr><td>Acquisition of Nuclear Fuel Included in Current Liabilities as of December 31,</td><td></td><td>23.5</td><td></td><td></td><td>24.2</td><td></td><td></td><td>β</td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><td>Noncash Increase in Noncurrent Assets from the Sale of the Competitive Noncash Increase in Noncurrent Assets from the Sale of the Competitive Contracted Renewables Portfolio Contracted Renewables Portfolio</td><td></td><td>β</td><td></td><td></td><td>74.7</td><td></td><td></td><td>β</td><td></td></tr></table>
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table
|
1286.3
|
monetaryItemType
|
table: <entity> 1286.3 </entity> <entity type> monetaryItemType </entity type> <context> Interest, Net of Capitalized Amounts | $ | 1,837.8 | $ | 1,673.5 | $ | 1,286.3 </context>
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us-gaap:InterestPaidNet
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Information</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>Cash Paid (Received) for:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>1,837.8</td><td></td><td></td><td>$</td><td>1,673.5</td><td></td><td></td><td>$</td><td>1,286.3</td><td></td></tr><tr><td>Income Taxes</td><td></td><td>133.4</td><td></td><td></td><td>78.4</td><td></td><td></td><td>116.8</td><td></td></tr><tr><td>Sale of Transferable Tax Credits</td><td></td><td>( 202.0 )</td><td></td><td></td><td>( 102.0 )</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Noncash Investing and Financing Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Acquisitions Under Finance Leases</td><td></td><td>29.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>31.8</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>1,312.0</td><td></td><td></td><td>842.4</td><td></td><td></td><td>1,258.9</td><td></td></tr><tr><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></td><td></td></tr><tr><td>Acquisition of Nuclear Fuel Included in Current Liabilities as of December 31,</td><td></td><td>23.5</td><td></td><td></td><td>24.2</td><td></td><td></td><td>β</td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><td>Noncash Increase in Noncurrent Assets from the Sale of the Competitive Noncash Increase in Noncurrent Assets from the Sale of the Competitive Contracted Renewables Portfolio Contracted Renewables Portfolio</td><td></td><td>β</td><td></td><td></td><td>74.7</td><td></td><td></td><td>β</td><td></td></tr></table>
|
table
|
133.4
|
monetaryItemType
|
table: <entity> 133.4 </entity> <entity type> monetaryItemType </entity type> <context> Income Taxes | 133.4 | 78.4 | 116.8 </context>
|
us-gaap:IncomeTaxesPaidNet
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Information</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>Cash Paid (Received) for:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>1,837.8</td><td></td><td></td><td>$</td><td>1,673.5</td><td></td><td></td><td>$</td><td>1,286.3</td><td></td></tr><tr><td>Income Taxes</td><td></td><td>133.4</td><td></td><td></td><td>78.4</td><td></td><td></td><td>116.8</td><td></td></tr><tr><td>Sale of Transferable Tax Credits</td><td></td><td>( 202.0 )</td><td></td><td></td><td>( 102.0 )</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Noncash Investing and Financing Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Acquisitions Under Finance Leases</td><td></td><td>29.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>31.8</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>1,312.0</td><td></td><td></td><td>842.4</td><td></td><td></td><td>1,258.9</td><td></td></tr><tr><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></td><td></td></tr><tr><td>Acquisition of Nuclear Fuel Included in Current Liabilities as of December 31,</td><td></td><td>23.5</td><td></td><td></td><td>24.2</td><td></td><td></td><td>β</td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><td>Noncash Increase in Noncurrent Assets from the Sale of the Competitive Noncash Increase in Noncurrent Assets from the Sale of the Competitive Contracted Renewables Portfolio Contracted Renewables Portfolio</td><td></td><td>β</td><td></td><td></td><td>74.7</td><td></td><td></td><td>β</td><td></td></tr></table>
|
table
|
78.4
|
monetaryItemType
|
table: <entity> 78.4 </entity> <entity type> monetaryItemType </entity type> <context> Income Taxes | 133.4 | 78.4 | 116.8 </context>
|
us-gaap:IncomeTaxesPaidNet
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Information</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>Cash Paid (Received) for:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>1,837.8</td><td></td><td></td><td>$</td><td>1,673.5</td><td></td><td></td><td>$</td><td>1,286.3</td><td></td></tr><tr><td>Income Taxes</td><td></td><td>133.4</td><td></td><td></td><td>78.4</td><td></td><td></td><td>116.8</td><td></td></tr><tr><td>Sale of Transferable Tax Credits</td><td></td><td>( 202.0 )</td><td></td><td></td><td>( 102.0 )</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Noncash Investing and Financing Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Acquisitions Under Finance Leases</td><td></td><td>29.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>31.8</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>1,312.0</td><td></td><td></td><td>842.4</td><td></td><td></td><td>1,258.9</td><td></td></tr><tr><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></td><td></td></tr><tr><td>Acquisition of Nuclear Fuel Included in Current Liabilities as of December 31,</td><td></td><td>23.5</td><td></td><td></td><td>24.2</td><td></td><td></td><td>β</td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><td>Noncash Increase in Noncurrent Assets from the Sale of the Competitive Noncash Increase in Noncurrent Assets from the Sale of the Competitive Contracted Renewables Portfolio Contracted Renewables Portfolio</td><td></td><td>β</td><td></td><td></td><td>74.7</td><td></td><td></td><td>β</td><td></td></tr></table>
|
table
|
116.8
|
monetaryItemType
|
table: <entity> 116.8 </entity> <entity type> monetaryItemType </entity type> <context> Income Taxes | 133.4 | 78.4 | 116.8 </context>
|
us-gaap:IncomeTaxesPaidNet
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Information</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>Cash Paid (Received) for:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>1,837.8</td><td></td><td></td><td>$</td><td>1,673.5</td><td></td><td></td><td>$</td><td>1,286.3</td><td></td></tr><tr><td>Income Taxes</td><td></td><td>133.4</td><td></td><td></td><td>78.4</td><td></td><td></td><td>116.8</td><td></td></tr><tr><td>Sale of Transferable Tax Credits</td><td></td><td>( 202.0 )</td><td></td><td></td><td>( 102.0 )</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Noncash Investing and Financing Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Acquisitions Under Finance Leases</td><td></td><td>29.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>31.8</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>1,312.0</td><td></td><td></td><td>842.4</td><td></td><td></td><td>1,258.9</td><td></td></tr><tr><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></td><td></td></tr><tr><td>Acquisition of Nuclear Fuel Included in Current Liabilities as of December 31,</td><td></td><td>23.5</td><td></td><td></td><td>24.2</td><td></td><td></td><td>β</td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><td>Noncash Increase in Noncurrent Assets from the Sale of the Competitive Noncash Increase in Noncurrent Assets from the Sale of the Competitive Contracted Renewables Portfolio Contracted Renewables Portfolio</td><td></td><td>β</td><td></td><td></td><td>74.7</td><td></td><td></td><td>β</td><td></td></tr></table>
|
table
|
29.5
|
monetaryItemType
|
table: <entity> 29.5 </entity> <entity type> monetaryItemType </entity type> <context> Acquisitions Under Finance Leases | 29.5 | 48.7 | 31.8 </context>
|
us-gaap:CapitalLeaseObligationsIncurred
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Information</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>Cash Paid (Received) for:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>1,837.8</td><td></td><td></td><td>$</td><td>1,673.5</td><td></td><td></td><td>$</td><td>1,286.3</td><td></td></tr><tr><td>Income Taxes</td><td></td><td>133.4</td><td></td><td></td><td>78.4</td><td></td><td></td><td>116.8</td><td></td></tr><tr><td>Sale of Transferable Tax Credits</td><td></td><td>( 202.0 )</td><td></td><td></td><td>( 102.0 )</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Noncash Investing and Financing Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Acquisitions Under Finance Leases</td><td></td><td>29.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>31.8</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>1,312.0</td><td></td><td></td><td>842.4</td><td></td><td></td><td>1,258.9</td><td></td></tr><tr><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></td><td></td></tr><tr><td>Acquisition of Nuclear Fuel Included in Current Liabilities as of December 31,</td><td></td><td>23.5</td><td></td><td></td><td>24.2</td><td></td><td></td><td>β</td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><td>Noncash Increase in Noncurrent Assets from the Sale of the Competitive Noncash Increase in Noncurrent Assets from the Sale of the Competitive Contracted Renewables Portfolio Contracted Renewables Portfolio</td><td></td><td>β</td><td></td><td></td><td>74.7</td><td></td><td></td><td>β</td><td></td></tr></table>
|
table
|
48.7
|
monetaryItemType
|
table: <entity> 48.7 </entity> <entity type> monetaryItemType </entity type> <context> Acquisitions Under Finance Leases | 29.5 | 48.7 | 31.8 </context>
|
us-gaap:CapitalLeaseObligationsIncurred
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Information</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>Cash Paid (Received) for:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>1,837.8</td><td></td><td></td><td>$</td><td>1,673.5</td><td></td><td></td><td>$</td><td>1,286.3</td><td></td></tr><tr><td>Income Taxes</td><td></td><td>133.4</td><td></td><td></td><td>78.4</td><td></td><td></td><td>116.8</td><td></td></tr><tr><td>Sale of Transferable Tax Credits</td><td></td><td>( 202.0 )</td><td></td><td></td><td>( 102.0 )</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Noncash Investing and Financing Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Acquisitions Under Finance Leases</td><td></td><td>29.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>31.8</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>1,312.0</td><td></td><td></td><td>842.4</td><td></td><td></td><td>1,258.9</td><td></td></tr><tr><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></td><td></td></tr><tr><td>Acquisition of Nuclear Fuel Included in Current Liabilities as of December 31,</td><td></td><td>23.5</td><td></td><td></td><td>24.2</td><td></td><td></td><td>β</td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><td>Noncash Increase in Noncurrent Assets from the Sale of the Competitive Noncash Increase in Noncurrent Assets from the Sale of the Competitive Contracted Renewables Portfolio Contracted Renewables Portfolio</td><td></td><td>β</td><td></td><td></td><td>74.7</td><td></td><td></td><td>β</td><td></td></tr></table>
|
table
|
31.8
|
monetaryItemType
|
table: <entity> 31.8 </entity> <entity type> monetaryItemType </entity type> <context> Acquisitions Under Finance Leases | 29.5 | 48.7 | 31.8 </context>
|
us-gaap:CapitalLeaseObligationsIncurred
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Information</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>Cash Paid (Received) for:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>1,837.8</td><td></td><td></td><td>$</td><td>1,673.5</td><td></td><td></td><td>$</td><td>1,286.3</td><td></td></tr><tr><td>Income Taxes</td><td></td><td>133.4</td><td></td><td></td><td>78.4</td><td></td><td></td><td>116.8</td><td></td></tr><tr><td>Sale of Transferable Tax Credits</td><td></td><td>( 202.0 )</td><td></td><td></td><td>( 102.0 )</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Noncash Investing and Financing Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Acquisitions Under Finance Leases</td><td></td><td>29.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>31.8</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>1,312.0</td><td></td><td></td><td>842.4</td><td></td><td></td><td>1,258.9</td><td></td></tr><tr><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></td><td></td></tr><tr><td>Acquisition of Nuclear Fuel Included in Current Liabilities as of December 31,</td><td></td><td>23.5</td><td></td><td></td><td>24.2</td><td></td><td></td><td>β</td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><td>Noncash Increase in Noncurrent Assets from the Sale of the Competitive Noncash Increase in Noncurrent Assets from the Sale of the Competitive Contracted Renewables Portfolio Contracted Renewables Portfolio</td><td></td><td>β</td><td></td><td></td><td>74.7</td><td></td><td></td><td>β</td><td></td></tr></table>
|
table
|
1312.0
|
monetaryItemType
|
table: <entity> 1312.0 </entity> <entity type> monetaryItemType </entity type> <context> Construction Expenditures Included in Current Liabilities as of December 31, | 1,312.0 | 842.4 | 1,258.9 </context>
|
us-gaap:ConstructionInProgressExpendituresIncurredButNotYetPaid
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Information</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>Cash Paid (Received) for:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>1,837.8</td><td></td><td></td><td>$</td><td>1,673.5</td><td></td><td></td><td>$</td><td>1,286.3</td><td></td></tr><tr><td>Income Taxes</td><td></td><td>133.4</td><td></td><td></td><td>78.4</td><td></td><td></td><td>116.8</td><td></td></tr><tr><td>Sale of Transferable Tax Credits</td><td></td><td>( 202.0 )</td><td></td><td></td><td>( 102.0 )</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Noncash Investing and Financing Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Acquisitions Under Finance Leases</td><td></td><td>29.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>31.8</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>1,312.0</td><td></td><td></td><td>842.4</td><td></td><td></td><td>1,258.9</td><td></td></tr><tr><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></td><td></td></tr><tr><td>Acquisition of Nuclear Fuel Included in Current Liabilities as of December 31,</td><td></td><td>23.5</td><td></td><td></td><td>24.2</td><td></td><td></td><td>β</td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><td>Noncash Increase in Noncurrent Assets from the Sale of the Competitive Noncash Increase in Noncurrent Assets from the Sale of the Competitive Contracted Renewables Portfolio Contracted Renewables Portfolio</td><td></td><td>β</td><td></td><td></td><td>74.7</td><td></td><td></td><td>β</td><td></td></tr></table>
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table
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842.4
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monetaryItemType
|
table: <entity> 842.4 </entity> <entity type> monetaryItemType </entity type> <context> Construction Expenditures Included in Current Liabilities as of December 31, | 1,312.0 | 842.4 | 1,258.9 </context>
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us-gaap:ConstructionInProgressExpendituresIncurredButNotYetPaid
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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>Years Ended December 31,</td></tr><tr><td>Cash Flow Information</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>Cash Paid (Received) for:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>1,837.8</td><td></td><td></td><td>$</td><td>1,673.5</td><td></td><td></td><td>$</td><td>1,286.3</td><td></td></tr><tr><td>Income Taxes</td><td></td><td>133.4</td><td></td><td></td><td>78.4</td><td></td><td></td><td>116.8</td><td></td></tr><tr><td>Sale of Transferable Tax Credits</td><td></td><td>( 202.0 )</td><td></td><td></td><td>( 102.0 )</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Noncash Investing and Financing Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Acquisitions Under Finance Leases</td><td></td><td>29.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>31.8</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>1,312.0</td><td></td><td></td><td>842.4</td><td></td><td></td><td>1,258.9</td><td></td></tr><tr><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></td><td></td></tr><tr><td>Acquisition of Nuclear Fuel Included in Current Liabilities as of December 31,</td><td></td><td>23.5</td><td></td><td></td><td>24.2</td><td></td><td></td><td>β</td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><td>Noncash Increase in Noncurrent Assets from the Sale of the Competitive Noncash Increase in Noncurrent Assets from the Sale of the Competitive Contracted Renewables Portfolio Contracted Renewables Portfolio</td><td></td><td>β</td><td></td><td></td><td>74.7</td><td></td><td></td><td>β</td><td></td></tr></table>
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table
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1258.9
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monetaryItemType
|
table: <entity> 1258.9 </entity> <entity type> monetaryItemType </entity type> <context> Construction Expenditures Included in Current Liabilities as of December 31, | 1,312.0 | 842.4 | 1,258.9 </context>
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us-gaap:ConstructionInProgressExpendituresIncurredButNotYetPaid
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Information</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>Cash Paid (Received) for:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>1,837.8</td><td></td><td></td><td>$</td><td>1,673.5</td><td></td><td></td><td>$</td><td>1,286.3</td><td></td></tr><tr><td>Income Taxes</td><td></td><td>133.4</td><td></td><td></td><td>78.4</td><td></td><td></td><td>116.8</td><td></td></tr><tr><td>Sale of Transferable Tax Credits</td><td></td><td>( 202.0 )</td><td></td><td></td><td>( 102.0 )</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Noncash Investing and Financing Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Acquisitions Under Finance Leases</td><td></td><td>29.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>31.8</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>1,312.0</td><td></td><td></td><td>842.4</td><td></td><td></td><td>1,258.9</td><td></td></tr><tr><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></td><td></td></tr><tr><td>Acquisition of Nuclear Fuel Included in Current Liabilities as of December 31,</td><td></td><td>23.5</td><td></td><td></td><td>24.2</td><td></td><td></td><td>β</td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><td>Noncash Increase in Noncurrent Assets from the Sale of the Competitive Noncash Increase in Noncurrent Assets from the Sale of the Competitive Contracted Renewables Portfolio Contracted Renewables Portfolio</td><td></td><td>β</td><td></td><td></td><td>74.7</td><td></td><td></td><td>β</td><td></td></tr></table>
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table
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β
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monetaryItemType
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table: <entity> β </entity> <entity type> monetaryItemType </entity type> <context> Sale of Transferable Tax Credits | ( 202.0 ) | ( 102.0 ) | β </context>
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us-gaap:NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived1
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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>Years Ended December 31,</td></tr><tr><td>Cash Flow Information</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>Cash Paid (Received) for:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>1,837.8</td><td></td><td></td><td>$</td><td>1,673.5</td><td></td><td></td><td>$</td><td>1,286.3</td><td></td></tr><tr><td>Income Taxes</td><td></td><td>133.4</td><td></td><td></td><td>78.4</td><td></td><td></td><td>116.8</td><td></td></tr><tr><td>Sale of Transferable Tax Credits</td><td></td><td>( 202.0 )</td><td></td><td></td><td>( 102.0 )</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Noncash Investing and Financing Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Acquisitions Under Finance Leases</td><td></td><td>29.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>31.8</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>1,312.0</td><td></td><td></td><td>842.4</td><td></td><td></td><td>1,258.9</td><td></td></tr><tr><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></td><td></td></tr><tr><td>Acquisition of Nuclear Fuel Included in Current Liabilities as of December 31,</td><td></td><td>23.5</td><td></td><td></td><td>24.2</td><td></td><td></td><td>β</td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><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></td><td></td></tr><tr><td>Noncash Increase in Noncurrent Assets from the Sale of the Competitive Noncash Increase in Noncurrent Assets from the Sale of the Competitive Contracted Renewables Portfolio Contracted Renewables Portfolio</td><td></td><td>β</td><td></td><td></td><td>74.7</td><td></td><td></td><td>β</td><td></td></tr></table>
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table
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74.7
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monetaryItemType
|
table: <entity> 74.7 </entity> <entity type> monetaryItemType </entity type> <context> Noncash Increase in Noncurrent Assets from the Sale of the Competitive Noncash Increase in Noncurrent Assets from the Sale of the Competitive Contracted Renewables Portfolio Contracted Renewables Portfolio | β | 74.7 | β </context>
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us-gaap:NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived1
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
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table
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104.9
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monetaryItemType
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table: <entity> 104.9 </entity> <entity type> monetaryItemType </entity type> <context> Balance in AOCI as of December 31, 2023 | $ | 104.9 | $ | ( 8.1 ) | $ | 92.6 | $ | ( 244.9 ) | $ | ( 55.5 ) </context>
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us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
|
table
|
8.1
|
monetaryItemType
|
table: <entity> 8.1 </entity> <entity type> monetaryItemType </entity type> <context> Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit | ( 11.2 ) | 5.3 | 8.1 | β | 2.2 </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
|
table
|
92.6
|
monetaryItemType
|
table: <entity> 92.6 </entity> <entity type> monetaryItemType </entity type> <context> Balance in AOCI as of December 31, 2023 | $ | 104.9 | $ | ( 8.1 ) | $ | 92.6 | $ | ( 244.9 ) | $ | ( 55.5 ) </context>
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us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
|
table
|
244.9
|
monetaryItemType
|
table: <entity> 244.9 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
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table
|
55.5
|
monetaryItemType
|
table: <entity> 55.5 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
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us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
|
table
|
2.5
|
monetaryItemType
|
table: <entity> 2.5 </entity> <entity type> monetaryItemType </entity type> <context> Change in Fair Value Recognized in AOCI, Net of Tax | 2.5 | 7.1 | β | 41.0 | 50.6 </context>
|
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
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table
|
7.1
|
monetaryItemType
|
table: <entity> 7.1 </entity> <entity type> monetaryItemType </entity type> <context> Change in Fair Value Recognized in AOCI, Net of Tax | 2.5 | 7.1 | β | 41.0 | 50.6 </context>
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us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
|
table
|
β
|
monetaryItemType
|
table: <entity> β </entity> <entity type> monetaryItemType </entity type> <context> Change in Fair Value Recognized in AOCI, Net of Tax | 2.5 | 7.1 | β | 41.0 | 50.6 </context>
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us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
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table
|
41.0
|
monetaryItemType
|
table: <entity> 41.0 </entity> <entity type> monetaryItemType </entity type> <context> Change in Fair Value Recognized in AOCI, Net of Tax | 2.5 | 7.1 | β | 41.0 | 50.6 </context>
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us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
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table
|
50.6
|
monetaryItemType
|
table: <entity> 50.6 </entity> <entity type> monetaryItemType </entity type> <context> Change in Fair Value Recognized in AOCI, Net of Tax | 2.5 | 7.1 | β | 41.0 | 50.6 </context>
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us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
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table
|
11.2
|
monetaryItemType
|
table: <entity> 11.2 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
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us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
|
table
|
5.3
|
monetaryItemType
|
table: <entity> 5.3 </entity> <entity type> monetaryItemType </entity type> <context> Interest Expense (a) Interest Expense (a) | β | 5.3 | β | β | 5.3 </context>
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us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
|
table
|
5.4
|
monetaryItemType
|
table: <entity> 5.4 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
|
table
|
2.2
|
monetaryItemType
|
table: <entity> 2.2 </entity> <entity type> monetaryItemType </entity type> <context> Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses | β | β | 2.2 | β | 2.2 </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
|
table
|
11.3
|
monetaryItemType
|
table: <entity> 11.3 </entity> <entity type> monetaryItemType </entity type> <context> Recognition of Pension Settlement Costs | β | β | 11.3 | β | 11.3 </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
|
table
|
8.1
|
monetaryItemType
|
table: <entity> 8.1 </entity> <entity type> monetaryItemType </entity type> <context> Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit | ( 11.2 ) | 5.3 | 8.1 | β | 2.2 </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
|
table
|
2.3
|
monetaryItemType
|
table: <entity> 2.3 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:ReclassificationFromAociCurrentPeriodTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
|
table
|
1.0
|
monetaryItemType
|
table: <entity> 1.0 </entity> <entity type> monetaryItemType </entity type> <context> Income Tax (Expense) Benefit Income Tax (Expense) Benefit | ( 2.3 ) | 1.0 | 1.7 | β | 0.4 </context>
|
us-gaap:ReclassificationFromAociCurrentPeriodTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
|
table
|
1.7
|
monetaryItemType
|
table: <entity> 1.7 </entity> <entity type> monetaryItemType </entity type> <context> Income Tax (Expense) Benefit Income Tax (Expense) Benefit | ( 2.3 ) | 1.0 | 1.7 | β | 0.4 </context>
|
us-gaap:ReclassificationFromAociCurrentPeriodTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
|
table
|
0.4
|
monetaryItemType
|
table: <entity> 0.4 </entity> <entity type> monetaryItemType </entity type> <context> Income Tax (Expense) Benefit Income Tax (Expense) Benefit | ( 2.3 ) | 1.0 | 1.7 | β | 0.4 </context>
|
us-gaap:ReclassificationFromAociCurrentPeriodTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
|
table
|
8.9
|
monetaryItemType
|
table: <entity> 8.9 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
|
table
|
4.3
|
monetaryItemType
|
table: <entity> 4.3 </entity> <entity type> monetaryItemType </entity type> <context> Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit | ( 8.9 ) | 4.3 | 6.4 | β | 1.8 </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
|
table
|
6.4
|
monetaryItemType
|
table: <entity> 6.4 </entity> <entity type> monetaryItemType </entity type> <context> Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit | ( 8.9 ) | 4.3 | 6.4 | β | 1.8 </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
|
table
|
1.8
|
monetaryItemType
|
table: <entity> 1.8 </entity> <entity type> monetaryItemType </entity type> <context> Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit | ( 8.9 ) | 4.3 | 6.4 | β | 1.8 </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
|
table
|
6.4
|
monetaryItemType
|
table: <entity> 6.4 </entity> <entity type> monetaryItemType </entity type> <context> Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit | ( 8.9 ) | 4.3 | 6.4 | β | 1.8 </context>
|
us-gaap:OtherComprehensiveIncomeLossNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
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table
|
11.4
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monetaryItemType
|
table: <entity> 11.4 </entity> <entity type> monetaryItemType </entity type> <context> Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss) | ( 6.4 ) | 11.4 | 6.4 | 41.0 | 52.4 </context>
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us-gaap:OtherComprehensiveIncomeLossNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
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table
|
41.0
|
monetaryItemType
|
table: <entity> 41.0 </entity> <entity type> monetaryItemType </entity type> <context> Change in Fair Value Recognized in AOCI, Net of Tax | 2.5 | 7.1 | β | 41.0 | 50.6 </context>
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us-gaap:OtherComprehensiveIncomeLossNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
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table
|
52.4
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monetaryItemType
|
table: <entity> 52.4 </entity> <entity type> monetaryItemType </entity type> <context> Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss) | ( 6.4 ) | 11.4 | 6.4 | 41.0 | 52.4 </context>
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us-gaap:OtherComprehensiveIncomeLossNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
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table
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98.5
|
monetaryItemType
|
table: <entity> 98.5 </entity> <entity type> monetaryItemType </entity type> <context> Balance in AOCI as of December 31, 2024 | $ | 98.5 | $ | 3.3 | $ | 99.0 | $ | ( 203.9 ) | $ | ( 3.1 ) </context>
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us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
|
table
|
3.3
|
monetaryItemType
|
table: <entity> 3.3 </entity> <entity type> monetaryItemType </entity type> <context> Balance in AOCI as of December 31, 2024 | $ | 98.5 | $ | 3.3 | $ | 99.0 | $ | ( 203.9 ) | $ | ( 3.1 ) </context>
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us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
|
table
|
99.0
|
monetaryItemType
|
table: <entity> 99.0 </entity> <entity type> monetaryItemType </entity type> <context> Balance in AOCI as of December 31, 2024 | $ | 98.5 | $ | 3.3 | $ | 99.0 | $ | ( 203.9 ) | $ | ( 3.1 ) </context>
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us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
|
table
|
203.9
|
monetaryItemType
|
table: <entity> 203.9 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2024</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>2.5</td><td></td><td></td><td>7.1</td><td></td><td></td><td>β</td><td></td><td></td><td>41.0</td><td></td><td></td><td>50.6</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</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></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 11.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 11.2 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>5.3</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 5.4 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Recognition of Pension Settlement Costs</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td><td></td><td>β</td><td></td><td></td><td>11.3</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 11.2 )</td><td></td><td></td><td>5.3</td><td></td><td></td><td>8.1</td><td></td><td></td><td>β</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 2.3 )</td><td></td><td></td><td>1.0</td><td></td><td></td><td>1.7</td><td></td><td></td><td>β</td><td></td><td></td><td>0.4</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 8.9 )</td><td></td><td></td><td>4.3</td><td></td><td></td><td>6.4</td><td></td><td></td><td>β</td><td></td><td></td><td>1.8</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 6.4 )</td><td></td><td></td><td>11.4</td><td></td><td></td><td>6.4</td><td></td><td></td><td>41.0</td><td></td><td></td><td>52.4</td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2024</td><td></td><td>$</td><td>98.5</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>$</td><td>99.0</td><td></td><td></td><td>$</td><td>( 203.9 )</td><td></td><td></td><td>$</td><td>( 3.1 )</td><td></td></tr></table>
|
table
|
3.1
|
monetaryItemType
|
table: <entity> 3.1 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>β</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>β</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>β</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</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><td></td><td></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><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
223.5
|
monetaryItemType
|
table: <entity> 223.5 </entity> <entity type> monetaryItemType </entity type> <context> Balance in AOCI as of December 31, 2022 | $ | 223.5 | $ | 0.3 | $ | 105.2 | $ | ( 245.3 ) | $ | 83.7 </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>β</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>β</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>β</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</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><td></td><td></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><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
0.3
|
monetaryItemType
|
table: <entity> 0.3 </entity> <entity type> monetaryItemType </entity type> <context> Balance in AOCI as of December 31, 2022 | $ | 223.5 | $ | 0.3 | $ | 105.2 | $ | ( 245.3 ) | $ | 83.7 </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>β</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>β</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>β</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</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><td></td><td></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><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
105.2
|
monetaryItemType
|
table: <entity> 105.2 </entity> <entity type> monetaryItemType </entity type> <context> Balance in AOCI as of December 31, 2022 | $ | 223.5 | $ | 0.3 | $ | 105.2 | $ | ( 245.3 ) | $ | 83.7 </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>β</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>β</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>β</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</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><td></td><td></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><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
245.3
|
monetaryItemType
|
table: <entity> 245.3 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>β</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>β</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>β</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</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><td></td><td></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><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
83.7
|
monetaryItemType
|
table: <entity> 83.7 </entity> <entity type> monetaryItemType </entity type> <context> Balance in AOCI as of December 31, 2022 | $ | 223.5 | $ | 0.3 | $ | 105.2 | $ | ( 245.3 ) | $ | 83.7 </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>β</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>β</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>β</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</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><td></td><td></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><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
175.8
|
monetaryItemType
|
table: <entity> 175.8 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>β</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>β</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>β</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</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><td></td><td></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><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
6.4
|
monetaryItemType
|
table: <entity> 6.4 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>β</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>β</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>β</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</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><td></td><td></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><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
β
|
monetaryItemType
|
table: <entity> β </entity> <entity type> monetaryItemType </entity type> <context> Change in Fair Value Recognized in AOCI, Net of Tax | ( 175.8 ) | ( 6.4 ) | β | ( 16.3 ) | ( 198.5 ) </context>
|
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>β</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>β</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>β</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</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><td></td><td></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><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
16.3
|
monetaryItemType
|
table: <entity> 16.3 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>β</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>β</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>β</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</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><td></td><td></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><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
198.5
|
monetaryItemType
|
table: <entity> 198.5 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>β</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>β</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>β</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</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><td></td><td></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><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
72.2
|
monetaryItemType
|
table: <entity> 72.2 </entity> <entity type> monetaryItemType </entity type> <context> Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) | 72.2 | β | β | β | 72.2 </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>β</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>β</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>β</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</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><td></td><td></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><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
2.4
|
monetaryItemType
|
table: <entity> 2.4 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>β</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>β</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>β</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</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><td></td><td></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><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
21.2
|
monetaryItemType
|
table: <entity> 21.2 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>β</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>β</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>β</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>β</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>β</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>β</td><td></td><td></td><td>β</td><td></td><td></td><td></td><td></td><td>β</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</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><td></td><td></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><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
5.2
|
monetaryItemType
|
table: <entity> 5.2 </entity> <entity type> monetaryItemType </entity type> <context> Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses | β | β | 5.2 | β | 5.2 </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
|
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