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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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
889.5
|
monetaryItemType
|
table: <entity> 889.5 </entity> <entity type> monetaryItemType </entity type> <context> Purchased Electricity, Fuel and Other Consumables Used for Electric Generation | 733.3 | 807.1 | 889.5 </context>
|
us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
|
422.4
|
monetaryItemType
|
table: <entity> 422.4 </entity> <entity type> monetaryItemType </entity type> <context> Other Operation | 422.4 | 360.5 | 424.7 </context>
|
us-gaap:UtilitiesOperatingExpenseOperations
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
360.5
|
monetaryItemType
|
table: <entity> 360.5 </entity> <entity type> monetaryItemType </entity type> <context> Other Operation | 422.4 | 360.5 | 424.7 </context>
|
us-gaap:UtilitiesOperatingExpenseOperations
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
|
424.7
|
monetaryItemType
|
table: <entity> 424.7 </entity> <entity type> monetaryItemType </entity type> <context> Other Operation | 422.4 | 360.5 | 424.7 </context>
|
us-gaap:UtilitiesOperatingExpenseOperations
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
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149.1
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monetaryItemType
|
table: <entity> 149.1 </entity> <entity type> monetaryItemType </entity type> <context> Maintenance | 149.1 | 159.4 | 148.6 </context>
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us-gaap:UtilitiesOperatingExpenseMaintenance
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
|
159.4
|
monetaryItemType
|
table: <entity> 159.4 </entity> <entity type> monetaryItemType </entity type> <context> Maintenance | 149.1 | 159.4 | 148.6 </context>
|
us-gaap:UtilitiesOperatingExpenseMaintenance
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
|
148.6
|
monetaryItemType
|
table: <entity> 148.6 </entity> <entity type> monetaryItemType </entity type> <context> Maintenance | 149.1 | 159.4 | 148.6 </context>
|
us-gaap:UtilitiesOperatingExpenseMaintenance
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
|
β
|
monetaryItemType
|
table: <entity> β </entity> <entity type> monetaryItemType </entity type> <context> Asset Impairments and Other Related Charges | β | 85.6 | β </context>
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us-gaap:OtherAssetImpairmentCharges
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
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85.6
|
monetaryItemType
|
table: <entity> 85.6 </entity> <entity type> monetaryItemType </entity type> <context> Asset Impairments and Other Related Charges | β | 85.6 | β </context>
|
us-gaap:OtherAssetImpairmentCharges
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
389.3
|
monetaryItemType
|
table: <entity> 389.3 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization | 389.3 | 342.8 | 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></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
|
342.8
|
monetaryItemType
|
table: <entity> 342.8 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization | 389.3 | 342.8 | 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></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
324.8
|
monetaryItemType
|
table: <entity> 324.8 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization | 389.3 | 342.8 | 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></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
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124.9
|
monetaryItemType
|
table: <entity> 124.9 </entity> <entity type> monetaryItemType </entity type> <context> Taxes Other Than Income Taxes | 124.9 | 135.1 | 126.8 </context>
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us-gaap:UtilitiesOperatingExpenseTaxes
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
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135.1
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monetaryItemType
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table: <entity> 135.1 </entity> <entity type> monetaryItemType </entity type> <context> Taxes Other Than Income Taxes | 124.9 | 135.1 | 126.8 </context>
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us-gaap:UtilitiesOperatingExpenseTaxes
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
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126.8
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monetaryItemType
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table: <entity> 126.8 </entity> <entity type> monetaryItemType </entity type> <context> Taxes Other Than Income Taxes | 124.9 | 135.1 | 126.8 </context>
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us-gaap:UtilitiesOperatingExpenseTaxes
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
1819.0
|
monetaryItemType
|
table: <entity> 1819.0 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL EXPENSES | 1,819.0 | 1,890.5 | 1,914.4 </context>
|
us-gaap:CostsAndExpenses
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
1890.5
|
monetaryItemType
|
table: <entity> 1890.5 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL EXPENSES | 1,819.0 | 1,890.5 | 1,914.4 </context>
|
us-gaap:CostsAndExpenses
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
1914.4
|
monetaryItemType
|
table: <entity> 1914.4 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL EXPENSES | 1,819.0 | 1,890.5 | 1,914.4 </context>
|
us-gaap:CostsAndExpenses
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
217.3
|
monetaryItemType
|
table: <entity> 217.3 </entity> <entity type> monetaryItemType </entity type> <context> OPERATING INCOME | 217.3 | 292.3 | 370.0 </context>
|
us-gaap:OperatingIncomeLoss
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
|
292.3
|
monetaryItemType
|
table: <entity> 292.3 </entity> <entity type> monetaryItemType </entity type> <context> OPERATING INCOME | 217.3 | 292.3 | 370.0 </context>
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us-gaap:OperatingIncomeLoss
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
|
370.0
|
monetaryItemType
|
table: <entity> 370.0 </entity> <entity type> monetaryItemType </entity type> <context> OPERATING INCOME | 217.3 | 292.3 | 370.0 </context>
|
us-gaap:OperatingIncomeLoss
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
14.2
|
monetaryItemType
|
table: <entity> 14.2 </entity> <entity type> monetaryItemType </entity type> <context> Interest Income | 14.2 | 18.9 | 17.7 </context>
|
us-gaap:InvestmentIncomeInterestAndDividend
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
|
18.9
|
monetaryItemType
|
table: <entity> 18.9 </entity> <entity type> monetaryItemType </entity type> <context> Interest Income | 14.2 | 18.9 | 17.7 </context>
|
us-gaap:InvestmentIncomeInterestAndDividend
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
17.7
|
monetaryItemType
|
table: <entity> 17.7 </entity> <entity type> monetaryItemType </entity type> <context> Interest Income | 14.2 | 18.9 | 17.7 </context>
|
us-gaap:InvestmentIncomeInterestAndDividend
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
13.5
|
monetaryItemType
|
table: <entity> 13.5 </entity> <entity type> monetaryItemType </entity type> <context> Allowance for Equity Funds Used During Construction | 13.5 | 11.5 | 4.9 </context>
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us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
|
11.5
|
monetaryItemType
|
table: <entity> 11.5 </entity> <entity type> monetaryItemType </entity type> <context> Allowance for Equity Funds Used During Construction | 13.5 | 11.5 | 4.9 </context>
|
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
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4.9
|
monetaryItemType
|
table: <entity> 4.9 </entity> <entity type> monetaryItemType </entity type> <context> Allowance for Equity Funds Used During Construction | 13.5 | 11.5 | 4.9 </context>
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us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
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0.8
|
monetaryItemType
|
table: <entity> 0.8 </entity> <entity type> monetaryItemType </entity type> <context> Non-Service Cost Components of Net Periodic Benefit Cost | 0.8 | 13.6 | 12.5 </context>
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us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
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13.6
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monetaryItemType
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table: <entity> 13.6 </entity> <entity type> monetaryItemType </entity type> <context> Non-Service Cost Components of Net Periodic Benefit Cost | 0.8 | 13.6 | 12.5 </context>
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us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent
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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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
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12.5
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monetaryItemType
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table: <entity> 12.5 </entity> <entity type> monetaryItemType </entity type> <context> Non-Service Cost Components of Net Periodic Benefit Cost | 0.8 | 13.6 | 12.5 </context>
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us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
105.5
|
monetaryItemType
|
table: <entity> 105.5 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:InterestExpenseNonoperating
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
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147.2
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monetaryItemType
|
table: <entity> 147.2 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:InterestExpenseNonoperating
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
137.4
|
monetaryItemType
|
table: <entity> 137.4 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:InterestExpenseNonoperating
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
|
140.3
|
monetaryItemType
|
table: <entity> 140.3 </entity> <entity type> monetaryItemType </entity type> <context> INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS | 140.3 | 189.1 | 267.7 </context>
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us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
|
189.1
|
monetaryItemType
|
table: <entity> 189.1 </entity> <entity type> monetaryItemType </entity type> <context> INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS | 140.3 | 189.1 | 267.7 </context>
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us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
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267.7
|
monetaryItemType
|
table: <entity> 267.7 </entity> <entity type> monetaryItemType </entity type> <context> INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS | 140.3 | 189.1 | 267.7 </context>
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us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
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184.0
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monetaryItemType
|
table: <entity> 184.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
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us-gaap:IncomeTaxExpenseBenefit
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
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33.3
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monetaryItemType
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table: <entity> 33.3 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
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us-gaap:IncomeTaxExpenseBenefit
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
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25.2
|
monetaryItemType
|
table: <entity> 25.2 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:IncomeTaxExpenseBenefit
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
1.4
|
monetaryItemType
|
table: <entity> 1.4 </entity> <entity type> monetaryItemType </entity type> <context> Equity Earnings of Unconsolidated Subsidiary | 1.4 | 1.4 | 1.4 </context>
|
us-gaap:IncomeLossFromEquityMethodInvestments
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
325.7
|
monetaryItemType
|
table: <entity> 325.7 </entity> <entity type> monetaryItemType </entity type> <context> NET INCOME | 325.7 | 223.8 | 294.3 </context>
|
us-gaap:ProfitLoss
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
223.8
|
monetaryItemType
|
table: <entity> 223.8 </entity> <entity type> monetaryItemType </entity type> <context> NET INCOME | 325.7 | 223.8 | 294.3 </context>
|
us-gaap:ProfitLoss
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
294.3
|
monetaryItemType
|
table: <entity> 294.3 </entity> <entity type> monetaryItemType </entity type> <context> NET INCOME | 325.7 | 223.8 | 294.3 </context>
|
us-gaap:ProfitLoss
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
4.5
|
monetaryItemType
|
table: <entity> 4.5 </entity> <entity type> monetaryItemType </entity type> <context> Net Income Attributable to Noncontrolling Interest | 4.5 | 3.5 | 4.2 </context>
|
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
3.5
|
monetaryItemType
|
table: <entity> 3.5 </entity> <entity type> monetaryItemType </entity type> <context> Net Income Attributable to Noncontrolling Interest | 4.5 | 3.5 | 4.2 </context>
|
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
4.2
|
monetaryItemType
|
table: <entity> 4.2 </entity> <entity type> monetaryItemType </entity type> <context> Net Income Attributable to Noncontrolling Interest | 4.5 | 3.5 | 4.2 </context>
|
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
321.2
|
monetaryItemType
|
table: <entity> 321.2 </entity> <entity type> monetaryItemType </entity type> <context> EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER | $ | 321.2 | $ | 220.3 | $ | 290.1 </context>
|
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
321.2
|
monetaryItemType
|
table: <entity> 321.2 </entity> <entity type> monetaryItemType </entity type> <context> EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER | $ | 321.2 | $ | 220.3 | $ | 290.1 </context>
|
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
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220.3
|
monetaryItemType
|
table: <entity> 220.3 </entity> <entity type> monetaryItemType </entity type> <context> EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER | $ | 321.2 | $ | 220.3 | $ | 290.1 </context>
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us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
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220.3
|
monetaryItemType
|
table: <entity> 220.3 </entity> <entity type> monetaryItemType </entity type> <context> EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER | $ | 321.2 | $ | 220.3 | $ | 290.1 </context>
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us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
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290.1
|
monetaryItemType
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table: <entity> 290.1 </entity> <entity type> monetaryItemType </entity type> <context> EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER | $ | 321.2 | $ | 220.3 | $ | 290.1 </context>
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us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Electric Generation, Transmission and Distribution</td><td></td><td>$</td><td>2,148.6</td><td></td><td></td><td>$</td><td>2,154.7</td><td></td><td></td><td>$</td><td>2,234.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>71.4</td><td></td><td></td><td>81.6</td><td></td><td></td><td>59.5</td><td></td></tr><tr><td>Provision for Refund - Affiliated</td><td></td><td>( 9.3 )</td><td></td><td></td><td>( 34.8 )</td><td></td><td></td><td>( 5.6 )</td><td></td></tr><tr><td>Provision for Refund</td><td></td><td>( 181.9 )</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 6.3 )</td><td></td></tr><tr><td>Other Revenues</td><td></td><td>7.5</td><td></td><td></td><td>2.4</td><td></td><td></td><td>1.9</td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>2,036.3</td><td></td><td></td><td>2,182.8</td><td></td><td></td><td>2,284.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>EXPENSES</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</td><td></td><td>733.3</td><td></td><td></td><td>807.1</td><td></td><td></td><td>889.5</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>Other Operation</td><td></td><td>422.4</td><td></td><td></td><td>360.5</td><td></td><td></td><td>424.7</td><td></td></tr><tr><td>Maintenance</td><td></td><td>149.1</td><td></td><td></td><td>159.4</td><td></td><td></td><td>148.6</td><td></td></tr><tr><td>Asset Impairments and Other Related Charges</td><td></td><td>β</td><td></td><td></td><td>85.6</td><td></td><td></td><td>β</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>389.3</td><td></td><td></td><td>342.8</td><td></td><td></td><td>324.8</td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>124.9</td><td></td><td></td><td>135.1</td><td></td><td></td><td>126.8</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>1,819.0</td><td></td><td></td><td>1,890.5</td><td></td><td></td><td>1,914.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OPERATING INCOME</td><td></td><td>217.3</td><td></td><td></td><td>292.3</td><td></td><td></td><td>370.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Income (Expense):</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Interest Income</td><td></td><td>14.2</td><td></td><td></td><td>18.9</td><td></td><td></td><td>17.7</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>13.5</td><td></td><td></td><td>11.5</td><td></td><td></td><td>4.9</td><td></td></tr><tr><td>Non-Service Cost Components of Net Periodic Benefit Cost</td><td></td><td>0.8</td><td></td><td></td><td>13.6</td><td></td><td></td><td>12.5</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 105.5 )</td><td></td><td></td><td>( 147.2 )</td><td></td><td></td><td>( 137.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS</td><td></td><td>140.3</td><td></td><td></td><td>189.1</td><td></td><td></td><td>267.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Tax Expense (Benefit)</td><td></td><td>( 184.0 )</td><td></td><td></td><td>( 33.3 )</td><td></td><td></td><td>( 25.2 )</td><td></td></tr><tr><td>Equity Earnings of Unconsolidated Subsidiary</td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td><td></td><td>1.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NET INCOME</td><td></td><td>325.7</td><td></td><td></td><td>223.8</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</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>EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>321.2</td><td></td><td></td><td>$</td><td>220.3</td><td></td><td></td><td>$</td><td>290.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>The common stock of SWEPCo is wholly-owned by Parent.</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
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290.1
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monetaryItemType
|
table: <entity> 290.1 </entity> <entity type> monetaryItemType </entity type> <context> EARNINGS ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER | $ | 321.2 | $ | 220.3 | $ | 290.1 </context>
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us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted
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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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
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325.7
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monetaryItemType
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table: <entity> 325.7 </entity> <entity type> monetaryItemType </entity type> <context> Net Income | $ | 325.7 | $ | 223.8 | $ | 294.3 </context>
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us-gaap:ProfitLoss
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
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223.8
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monetaryItemType
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table: <entity> 223.8 </entity> <entity type> monetaryItemType </entity type> <context> Net Income | $ | 325.7 | $ | 223.8 | $ | 294.3 </context>
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us-gaap:ProfitLoss
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
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294.3
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monetaryItemType
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table: <entity> 294.3 </entity> <entity type> monetaryItemType </entity type> <context> Net Income | $ | 325.7 | $ | 223.8 | $ | 294.3 </context>
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us-gaap:ProfitLoss
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
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0.1
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monetaryItemType
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table: <entity> 0.1 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
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us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
0
|
monetaryItemType
|
table: <entity> 0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
0.3
|
monetaryItemType
|
table: <entity> 0.3 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
0.2
|
monetaryItemType
|
table: <entity> 0.2 </entity> <entity type> monetaryItemType </entity type> <context> Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively | ( 0.3 ) | 0.2 | ( 0.1 ) </context>
|
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
0.1
|
monetaryItemType
|
table: <entity> 0.1 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
0.1
|
monetaryItemType
|
table: <entity> 0.1 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
0.3
|
monetaryItemType
|
table: <entity> 0.3 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
0.4
|
monetaryItemType
|
table: <entity> 0.4 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
0.3
|
monetaryItemType
|
table: <entity> 0.3 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
1.3
|
monetaryItemType
|
table: <entity> 1.3 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
1.6
|
monetaryItemType
|
table: <entity> 1.6 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
1.7
|
monetaryItemType
|
table: <entity> 1.7 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
|
0.5
|
monetaryItemType
|
table: <entity> 0.5 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
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us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
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2.5
|
monetaryItemType
|
table: <entity> 2.5 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
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us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
|
6.3
|
monetaryItemType
|
table: <entity> 6.3 </entity> <entity type> monetaryItemType </entity type> <context> Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively | 6.3 | 1.9 | ( 9.2 ) </context>
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us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
|
1.9
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monetaryItemType
|
table: <entity> 1.9 </entity> <entity type> monetaryItemType </entity type> <context> Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively | 6.3 | 1.9 | ( 9.2 ) </context>
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us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
|
9.2
|
monetaryItemType
|
table: <entity> 9.2 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
5.7
|
monetaryItemType
|
table: <entity> 5.7 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL OTHER COMPREHENSIVE INCOME (LOSS) | 5.7 | 0.8 | ( 10.9 ) </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></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
0.8
|
monetaryItemType
|
table: <entity> 0.8 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL OTHER COMPREHENSIVE INCOME (LOSS) | 5.7 | 0.8 | ( 10.9 ) </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></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
10.9
|
monetaryItemType
|
table: <entity> 10.9 </entity> <entity type> monetaryItemType </entity type> <context> None </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></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
331.4
|
monetaryItemType
|
table: <entity> 331.4 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL COMPREHENSIVE INCOME | 331.4 | 224.6 | 283.4 </context>
|
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
224.6
|
monetaryItemType
|
table: <entity> 224.6 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL COMPREHENSIVE INCOME | 331.4 | 224.6 | 283.4 </context>
|
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
283.4
|
monetaryItemType
|
table: <entity> 283.4 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL COMPREHENSIVE INCOME | 331.4 | 224.6 | 283.4 </context>
|
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
4.5
|
monetaryItemType
|
table: <entity> 4.5 </entity> <entity type> monetaryItemType </entity type> <context> Total Comprehensive Income Attributable to Noncontrolling Interest | 4.5 | 3.5 | 4.2 </context>
|
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
3.5
|
monetaryItemType
|
table: <entity> 3.5 </entity> <entity type> monetaryItemType </entity type> <context> Total Comprehensive Income Attributable to Noncontrolling Interest | 4.5 | 3.5 | 4.2 </context>
|
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
4.2
|
monetaryItemType
|
table: <entity> 4.2 </entity> <entity type> monetaryItemType </entity type> <context> Total Comprehensive Income Attributable to Noncontrolling Interest | 4.5 | 3.5 | 4.2 </context>
|
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
326.9
|
monetaryItemType
|
table: <entity> 326.9 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER | $ | 326.9 | $ | 221.1 | $ | 279.2 </context>
|
us-gaap:ComprehensiveIncomeNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
221.1
|
monetaryItemType
|
table: <entity> 221.1 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER | $ | 326.9 | $ | 221.1 | $ | 279.2 </context>
|
us-gaap:ComprehensiveIncomeNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Net Income</td><td></td><td>$</td><td>325.7</td><td></td><td></td><td>$</td><td>223.8</td><td></td><td></td><td>$</td><td>294.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively Cash Flow Hedges, Net of Tax of $( 0.1 ), $ 0 and $ 0 in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>( 0.1 )</td><td></td></tr><tr><td>Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively Amortization of Pension and OPEB Deferred Costs, Net of Tax of $( 0.1 ), $( 0.3 ) and $( 0.4 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>( 0.3 )</td><td></td><td></td><td>( 1.3 )</td><td></td><td></td><td>( 1.6 )</td><td></td></tr><tr><td>Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively Pension and OPEB Funded Status, Net of Tax of $ 1.7 , $ 0.5 and $( 2.5 ) in 2024, 2023 and 2022, Respectively</td><td></td><td>6.3</td><td></td><td></td><td>1.9</td><td></td><td></td><td>( 9.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL OTHER COMPREHENSIVE INCOME (LOSS)</td><td></td><td>5.7</td><td></td><td></td><td>0.8</td><td></td><td></td><td>( 10.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td></td><td>331.4</td><td></td><td></td><td>224.6</td><td></td><td></td><td>283.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Comprehensive Income Attributable to Noncontrolling Interest</td><td></td><td>4.5</td><td></td><td></td><td>3.5</td><td></td><td></td><td>4.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER</td><td></td><td>$</td><td>326.9</td><td></td><td></td><td>$</td><td>221.1</td><td></td><td></td><td>$</td><td>279.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
|
279.2
|
monetaryItemType
|
table: <entity> 279.2 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO SWEPCo COMMON SHAREHOLDER | $ | 326.9 | $ | 221.1 | $ | 279.2 </context>
|
us-gaap:ComprehensiveIncomeNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td>SWEPCo Common Shareholder</td><td></td><td></td><td></td><td></td></tr><tr><td></td><td>Common Stock</td><td></td><td>Paid-in Capital</td><td></td><td>Retained Earnings</td><td></td><td>Accumulated Other Comprehensive Income (Loss)</td><td></td><td>Noncontrolling Interest</td><td></td><td>Total</td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2021</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,092.2</td><td></td><td></td><td>$</td><td>2,050.9</td><td></td><td></td><td>$</td><td>6.7</td><td></td><td></td><td>$</td><td>( 0.1 )</td><td></td><td></td><td>$</td><td>3,149.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>350.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>350.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>( 3.4 )</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></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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>290.1</td><td></td><td></td><td></td><td></td><td>4.2</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td>Other Comprehensive Loss</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 10.9 )</td><td></td><td></td><td></td><td></td><td>( 10.9 )</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></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2022</td><td>0.1</td><td></td><td></td><td>1,442.2</td><td></td><td></td><td>2,236.0</td><td></td><td></td><td>( 4.2 )</td><td></td><td></td><td>0.7</td><td></td><td></td><td>3,674.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>50.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>50.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.0 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>220.3</td><td></td><td></td><td></td><td></td><td>3.5</td><td></td><td></td><td>223.8</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>0.8</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2023</td><td>0.1</td><td></td><td></td><td>1,492.2</td><td></td><td></td><td>2,281.3</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>3,770.4</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></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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>58.6</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>58.6</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td></td><td>( 1.1 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 1.1 )</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.3 )</td><td></td><td></td><td>( 4.3 )</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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>321.2</td><td></td><td></td><td></td><td></td><td>4.5</td><td></td><td></td><td>325.7</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>5.7</td><td></td><td></td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2024</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,549.7</td><td></td><td></td><td>$</td><td>2,352.5</td><td></td><td></td><td>$</td><td>2.3</td><td></td><td></td><td>$</td><td>0.4</td><td></td><td></td><td>$</td><td>3,905.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><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></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
|
0.1
|
monetaryItemType
|
table: <entity> 0.1 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL EQUITY β DECEMBER 31, 2021 | $ | 0.1 | $ | 1,092.2 | $ | 2,050.9 | $ | 6.7 | $ | ( 0.1 ) | $ | 3,149.8 </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><td></td><td></td><td></td></tr><tr><td></td><td>SWEPCo Common Shareholder</td><td></td><td></td><td></td><td></td></tr><tr><td></td><td>Common Stock</td><td></td><td>Paid-in Capital</td><td></td><td>Retained Earnings</td><td></td><td>Accumulated Other Comprehensive Income (Loss)</td><td></td><td>Noncontrolling Interest</td><td></td><td>Total</td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2021</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,092.2</td><td></td><td></td><td>$</td><td>2,050.9</td><td></td><td></td><td>$</td><td>6.7</td><td></td><td></td><td>$</td><td>( 0.1 )</td><td></td><td></td><td>$</td><td>3,149.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>350.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>350.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>( 3.4 )</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></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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>290.1</td><td></td><td></td><td></td><td></td><td>4.2</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td>Other Comprehensive Loss</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 10.9 )</td><td></td><td></td><td></td><td></td><td>( 10.9 )</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></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2022</td><td>0.1</td><td></td><td></td><td>1,442.2</td><td></td><td></td><td>2,236.0</td><td></td><td></td><td>( 4.2 )</td><td></td><td></td><td>0.7</td><td></td><td></td><td>3,674.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>50.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>50.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.0 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>220.3</td><td></td><td></td><td></td><td></td><td>3.5</td><td></td><td></td><td>223.8</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>0.8</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2023</td><td>0.1</td><td></td><td></td><td>1,492.2</td><td></td><td></td><td>2,281.3</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>3,770.4</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></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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>58.6</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>58.6</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td></td><td>( 1.1 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 1.1 )</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.3 )</td><td></td><td></td><td>( 4.3 )</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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>321.2</td><td></td><td></td><td></td><td></td><td>4.5</td><td></td><td></td><td>325.7</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>5.7</td><td></td><td></td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2024</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,549.7</td><td></td><td></td><td>$</td><td>2,352.5</td><td></td><td></td><td>$</td><td>2.3</td><td></td><td></td><td>$</td><td>0.4</td><td></td><td></td><td>$</td><td>3,905.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><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></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
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table
|
1092.2
|
monetaryItemType
|
table: <entity> 1092.2 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL EQUITY β DECEMBER 31, 2021 | $ | 0.1 | $ | 1,092.2 | $ | 2,050.9 | $ | 6.7 | $ | ( 0.1 ) | $ | 3,149.8 </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><td></td><td></td><td></td></tr><tr><td></td><td>SWEPCo Common Shareholder</td><td></td><td></td><td></td><td></td></tr><tr><td></td><td>Common Stock</td><td></td><td>Paid-in Capital</td><td></td><td>Retained Earnings</td><td></td><td>Accumulated Other Comprehensive Income (Loss)</td><td></td><td>Noncontrolling Interest</td><td></td><td>Total</td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2021</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,092.2</td><td></td><td></td><td>$</td><td>2,050.9</td><td></td><td></td><td>$</td><td>6.7</td><td></td><td></td><td>$</td><td>( 0.1 )</td><td></td><td></td><td>$</td><td>3,149.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>350.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>350.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>( 3.4 )</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></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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>290.1</td><td></td><td></td><td></td><td></td><td>4.2</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td>Other Comprehensive Loss</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 10.9 )</td><td></td><td></td><td></td><td></td><td>( 10.9 )</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></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2022</td><td>0.1</td><td></td><td></td><td>1,442.2</td><td></td><td></td><td>2,236.0</td><td></td><td></td><td>( 4.2 )</td><td></td><td></td><td>0.7</td><td></td><td></td><td>3,674.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>50.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>50.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.0 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>220.3</td><td></td><td></td><td></td><td></td><td>3.5</td><td></td><td></td><td>223.8</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>0.8</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2023</td><td>0.1</td><td></td><td></td><td>1,492.2</td><td></td><td></td><td>2,281.3</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>3,770.4</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></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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>58.6</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>58.6</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td></td><td>( 1.1 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 1.1 )</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.3 )</td><td></td><td></td><td>( 4.3 )</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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>321.2</td><td></td><td></td><td></td><td></td><td>4.5</td><td></td><td></td><td>325.7</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>5.7</td><td></td><td></td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2024</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,549.7</td><td></td><td></td><td>$</td><td>2,352.5</td><td></td><td></td><td>$</td><td>2.3</td><td></td><td></td><td>$</td><td>0.4</td><td></td><td></td><td>$</td><td>3,905.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><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></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
2050.9
|
monetaryItemType
|
table: <entity> 2050.9 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL EQUITY β DECEMBER 31, 2021 | $ | 0.1 | $ | 1,092.2 | $ | 2,050.9 | $ | 6.7 | $ | ( 0.1 ) | $ | 3,149.8 </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><td></td></tr><tr><td></td><td>SWEPCo Common Shareholder</td><td></td><td></td><td></td><td></td></tr><tr><td></td><td>Common Stock</td><td></td><td>Paid-in Capital</td><td></td><td>Retained Earnings</td><td></td><td>Accumulated Other Comprehensive Income (Loss)</td><td></td><td>Noncontrolling Interest</td><td></td><td>Total</td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2021</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,092.2</td><td></td><td></td><td>$</td><td>2,050.9</td><td></td><td></td><td>$</td><td>6.7</td><td></td><td></td><td>$</td><td>( 0.1 )</td><td></td><td></td><td>$</td><td>3,149.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>350.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>350.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>( 3.4 )</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></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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>290.1</td><td></td><td></td><td></td><td></td><td>4.2</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td>Other Comprehensive Loss</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 10.9 )</td><td></td><td></td><td></td><td></td><td>( 10.9 )</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></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2022</td><td>0.1</td><td></td><td></td><td>1,442.2</td><td></td><td></td><td>2,236.0</td><td></td><td></td><td>( 4.2 )</td><td></td><td></td><td>0.7</td><td></td><td></td><td>3,674.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>50.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>50.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.0 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>220.3</td><td></td><td></td><td></td><td></td><td>3.5</td><td></td><td></td><td>223.8</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>0.8</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2023</td><td>0.1</td><td></td><td></td><td>1,492.2</td><td></td><td></td><td>2,281.3</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>3,770.4</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></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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>58.6</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>58.6</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td></td><td>( 1.1 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 1.1 )</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.3 )</td><td></td><td></td><td>( 4.3 )</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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>321.2</td><td></td><td></td><td></td><td></td><td>4.5</td><td></td><td></td><td>325.7</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>5.7</td><td></td><td></td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2024</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,549.7</td><td></td><td></td><td>$</td><td>2,352.5</td><td></td><td></td><td>$</td><td>2.3</td><td></td><td></td><td>$</td><td>0.4</td><td></td><td></td><td>$</td><td>3,905.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><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></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
6.7
|
monetaryItemType
|
table: <entity> 6.7 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL EQUITY β DECEMBER 31, 2021 | $ | 0.1 | $ | 1,092.2 | $ | 2,050.9 | $ | 6.7 | $ | ( 0.1 ) | $ | 3,149.8 </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><td></td></tr><tr><td></td><td>SWEPCo Common Shareholder</td><td></td><td></td><td></td><td></td></tr><tr><td></td><td>Common Stock</td><td></td><td>Paid-in Capital</td><td></td><td>Retained Earnings</td><td></td><td>Accumulated Other Comprehensive Income (Loss)</td><td></td><td>Noncontrolling Interest</td><td></td><td>Total</td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2021</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,092.2</td><td></td><td></td><td>$</td><td>2,050.9</td><td></td><td></td><td>$</td><td>6.7</td><td></td><td></td><td>$</td><td>( 0.1 )</td><td></td><td></td><td>$</td><td>3,149.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>350.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>350.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>( 3.4 )</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></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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>290.1</td><td></td><td></td><td></td><td></td><td>4.2</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td>Other Comprehensive Loss</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 10.9 )</td><td></td><td></td><td></td><td></td><td>( 10.9 )</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></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2022</td><td>0.1</td><td></td><td></td><td>1,442.2</td><td></td><td></td><td>2,236.0</td><td></td><td></td><td>( 4.2 )</td><td></td><td></td><td>0.7</td><td></td><td></td><td>3,674.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>50.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>50.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.0 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>220.3</td><td></td><td></td><td></td><td></td><td>3.5</td><td></td><td></td><td>223.8</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>0.8</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2023</td><td>0.1</td><td></td><td></td><td>1,492.2</td><td></td><td></td><td>2,281.3</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>3,770.4</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></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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>58.6</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>58.6</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td></td><td>( 1.1 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 1.1 )</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.3 )</td><td></td><td></td><td>( 4.3 )</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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>321.2</td><td></td><td></td><td></td><td></td><td>4.5</td><td></td><td></td><td>325.7</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>5.7</td><td></td><td></td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2024</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,549.7</td><td></td><td></td><td>$</td><td>2,352.5</td><td></td><td></td><td>$</td><td>2.3</td><td></td><td></td><td>$</td><td>0.4</td><td></td><td></td><td>$</td><td>3,905.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><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></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
3149.8
|
monetaryItemType
|
table: <entity> 3149.8 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL EQUITY β DECEMBER 31, 2021 | $ | 0.1 | $ | 1,092.2 | $ | 2,050.9 | $ | 6.7 | $ | ( 0.1 ) | $ | 3,149.8 </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><td></td></tr><tr><td></td><td>SWEPCo Common Shareholder</td><td></td><td></td><td></td><td></td></tr><tr><td></td><td>Common Stock</td><td></td><td>Paid-in Capital</td><td></td><td>Retained Earnings</td><td></td><td>Accumulated Other Comprehensive Income (Loss)</td><td></td><td>Noncontrolling Interest</td><td></td><td>Total</td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2021</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,092.2</td><td></td><td></td><td>$</td><td>2,050.9</td><td></td><td></td><td>$</td><td>6.7</td><td></td><td></td><td>$</td><td>( 0.1 )</td><td></td><td></td><td>$</td><td>3,149.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>350.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>350.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>( 3.4 )</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></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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>290.1</td><td></td><td></td><td></td><td></td><td>4.2</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td>Other Comprehensive Loss</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 10.9 )</td><td></td><td></td><td></td><td></td><td>( 10.9 )</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></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2022</td><td>0.1</td><td></td><td></td><td>1,442.2</td><td></td><td></td><td>2,236.0</td><td></td><td></td><td>( 4.2 )</td><td></td><td></td><td>0.7</td><td></td><td></td><td>3,674.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>50.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>50.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.0 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>220.3</td><td></td><td></td><td></td><td></td><td>3.5</td><td></td><td></td><td>223.8</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>0.8</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2023</td><td>0.1</td><td></td><td></td><td>1,492.2</td><td></td><td></td><td>2,281.3</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>3,770.4</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></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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>58.6</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>58.6</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td></td><td>( 1.1 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 1.1 )</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.3 )</td><td></td><td></td><td>( 4.3 )</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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>321.2</td><td></td><td></td><td></td><td></td><td>4.5</td><td></td><td></td><td>325.7</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>5.7</td><td></td><td></td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2024</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,549.7</td><td></td><td></td><td>$</td><td>2,352.5</td><td></td><td></td><td>$</td><td>2.3</td><td></td><td></td><td>$</td><td>0.4</td><td></td><td></td><td>$</td><td>3,905.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><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></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
105.0
|
monetaryItemType
|
table: <entity> 105.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:DividendsCommonStock
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td>SWEPCo Common Shareholder</td><td></td><td></td><td></td><td></td></tr><tr><td></td><td>Common Stock</td><td></td><td>Paid-in Capital</td><td></td><td>Retained Earnings</td><td></td><td>Accumulated Other Comprehensive Income (Loss)</td><td></td><td>Noncontrolling Interest</td><td></td><td>Total</td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2021</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,092.2</td><td></td><td></td><td>$</td><td>2,050.9</td><td></td><td></td><td>$</td><td>6.7</td><td></td><td></td><td>$</td><td>( 0.1 )</td><td></td><td></td><td>$</td><td>3,149.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>350.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>350.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>( 3.4 )</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></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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>290.1</td><td></td><td></td><td></td><td></td><td>4.2</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td>Other Comprehensive Loss</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 10.9 )</td><td></td><td></td><td></td><td></td><td>( 10.9 )</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></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2022</td><td>0.1</td><td></td><td></td><td>1,442.2</td><td></td><td></td><td>2,236.0</td><td></td><td></td><td>( 4.2 )</td><td></td><td></td><td>0.7</td><td></td><td></td><td>3,674.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>50.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>50.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.0 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>220.3</td><td></td><td></td><td></td><td></td><td>3.5</td><td></td><td></td><td>223.8</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>0.8</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2023</td><td>0.1</td><td></td><td></td><td>1,492.2</td><td></td><td></td><td>2,281.3</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>3,770.4</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></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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>58.6</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>58.6</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td></td><td>( 1.1 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 1.1 )</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.3 )</td><td></td><td></td><td>( 4.3 )</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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>321.2</td><td></td><td></td><td></td><td></td><td>4.5</td><td></td><td></td><td>325.7</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>5.7</td><td></td><td></td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2024</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,549.7</td><td></td><td></td><td>$</td><td>2,352.5</td><td></td><td></td><td>$</td><td>2.3</td><td></td><td></td><td>$</td><td>0.4</td><td></td><td></td><td>$</td><td>3,905.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><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></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
3.4
|
monetaryItemType
|
table: <entity> 3.4 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td>SWEPCo Common Shareholder</td><td></td><td></td><td></td><td></td></tr><tr><td></td><td>Common Stock</td><td></td><td>Paid-in Capital</td><td></td><td>Retained Earnings</td><td></td><td>Accumulated Other Comprehensive Income (Loss)</td><td></td><td>Noncontrolling Interest</td><td></td><td>Total</td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2021</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,092.2</td><td></td><td></td><td>$</td><td>2,050.9</td><td></td><td></td><td>$</td><td>6.7</td><td></td><td></td><td>$</td><td>( 0.1 )</td><td></td><td></td><td>$</td><td>3,149.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>350.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>350.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>( 3.4 )</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></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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>290.1</td><td></td><td></td><td></td><td></td><td>4.2</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td>Other Comprehensive Loss</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 10.9 )</td><td></td><td></td><td></td><td></td><td>( 10.9 )</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></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2022</td><td>0.1</td><td></td><td></td><td>1,442.2</td><td></td><td></td><td>2,236.0</td><td></td><td></td><td>( 4.2 )</td><td></td><td></td><td>0.7</td><td></td><td></td><td>3,674.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>50.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>50.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.0 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>220.3</td><td></td><td></td><td></td><td></td><td>3.5</td><td></td><td></td><td>223.8</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>0.8</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2023</td><td>0.1</td><td></td><td></td><td>1,492.2</td><td></td><td></td><td>2,281.3</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>3,770.4</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></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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>58.6</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>58.6</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td></td><td>( 1.1 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 1.1 )</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.3 )</td><td></td><td></td><td>( 4.3 )</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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>321.2</td><td></td><td></td><td></td><td></td><td>4.5</td><td></td><td></td><td>325.7</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>5.7</td><td></td><td></td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2024</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,549.7</td><td></td><td></td><td>$</td><td>2,352.5</td><td></td><td></td><td>$</td><td>2.3</td><td></td><td></td><td>$</td><td>0.4</td><td></td><td></td><td>$</td><td>3,905.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><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></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
290.1
|
monetaryItemType
|
table: <entity> 290.1 </entity> <entity type> monetaryItemType </entity type> <context> Net Income | 290.1 | 4.2 | 294.3 </context>
|
us-gaap:ProfitLoss
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td>SWEPCo Common Shareholder</td><td></td><td></td><td></td><td></td></tr><tr><td></td><td>Common Stock</td><td></td><td>Paid-in Capital</td><td></td><td>Retained Earnings</td><td></td><td>Accumulated Other Comprehensive Income (Loss)</td><td></td><td>Noncontrolling Interest</td><td></td><td>Total</td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2021</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,092.2</td><td></td><td></td><td>$</td><td>2,050.9</td><td></td><td></td><td>$</td><td>6.7</td><td></td><td></td><td>$</td><td>( 0.1 )</td><td></td><td></td><td>$</td><td>3,149.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>350.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>350.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>( 3.4 )</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></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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>290.1</td><td></td><td></td><td></td><td></td><td>4.2</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td>Other Comprehensive Loss</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 10.9 )</td><td></td><td></td><td></td><td></td><td>( 10.9 )</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></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2022</td><td>0.1</td><td></td><td></td><td>1,442.2</td><td></td><td></td><td>2,236.0</td><td></td><td></td><td>( 4.2 )</td><td></td><td></td><td>0.7</td><td></td><td></td><td>3,674.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>50.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>50.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.0 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>220.3</td><td></td><td></td><td></td><td></td><td>3.5</td><td></td><td></td><td>223.8</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>0.8</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2023</td><td>0.1</td><td></td><td></td><td>1,492.2</td><td></td><td></td><td>2,281.3</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>3,770.4</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></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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>58.6</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>58.6</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td></td><td>( 1.1 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 1.1 )</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.3 )</td><td></td><td></td><td>( 4.3 )</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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>321.2</td><td></td><td></td><td></td><td></td><td>4.5</td><td></td><td></td><td>325.7</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>5.7</td><td></td><td></td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2024</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,549.7</td><td></td><td></td><td>$</td><td>2,352.5</td><td></td><td></td><td>$</td><td>2.3</td><td></td><td></td><td>$</td><td>0.4</td><td></td><td></td><td>$</td><td>3,905.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><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></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
4.2
|
monetaryItemType
|
table: <entity> 4.2 </entity> <entity type> monetaryItemType </entity type> <context> Net Income | 290.1 | 4.2 | 294.3 </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><td></td><td></td><td></td></tr><tr><td></td><td>SWEPCo Common Shareholder</td><td></td><td></td><td></td><td></td></tr><tr><td></td><td>Common Stock</td><td></td><td>Paid-in Capital</td><td></td><td>Retained Earnings</td><td></td><td>Accumulated Other Comprehensive Income (Loss)</td><td></td><td>Noncontrolling Interest</td><td></td><td>Total</td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2021</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,092.2</td><td></td><td></td><td>$</td><td>2,050.9</td><td></td><td></td><td>$</td><td>6.7</td><td></td><td></td><td>$</td><td>( 0.1 )</td><td></td><td></td><td>$</td><td>3,149.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>350.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>350.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>( 3.4 )</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></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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>290.1</td><td></td><td></td><td></td><td></td><td>4.2</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td>Other Comprehensive Loss</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 10.9 )</td><td></td><td></td><td></td><td></td><td>( 10.9 )</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></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2022</td><td>0.1</td><td></td><td></td><td>1,442.2</td><td></td><td></td><td>2,236.0</td><td></td><td></td><td>( 4.2 )</td><td></td><td></td><td>0.7</td><td></td><td></td><td>3,674.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>50.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>50.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.0 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>220.3</td><td></td><td></td><td></td><td></td><td>3.5</td><td></td><td></td><td>223.8</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>0.8</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2023</td><td>0.1</td><td></td><td></td><td>1,492.2</td><td></td><td></td><td>2,281.3</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>3,770.4</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></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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>58.6</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>58.6</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td></td><td>( 1.1 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 1.1 )</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.3 )</td><td></td><td></td><td>( 4.3 )</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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>321.2</td><td></td><td></td><td></td><td></td><td>4.5</td><td></td><td></td><td>325.7</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>5.7</td><td></td><td></td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2024</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,549.7</td><td></td><td></td><td>$</td><td>2,352.5</td><td></td><td></td><td>$</td><td>2.3</td><td></td><td></td><td>$</td><td>0.4</td><td></td><td></td><td>$</td><td>3,905.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><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></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
294.3
|
monetaryItemType
|
table: <entity> 294.3 </entity> <entity type> monetaryItemType </entity type> <context> Net Income | 290.1 | 4.2 | 294.3 </context>
|
us-gaap:ProfitLoss
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td>SWEPCo Common Shareholder</td><td></td><td></td><td></td><td></td></tr><tr><td></td><td>Common Stock</td><td></td><td>Paid-in Capital</td><td></td><td>Retained Earnings</td><td></td><td>Accumulated Other Comprehensive Income (Loss)</td><td></td><td>Noncontrolling Interest</td><td></td><td>Total</td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2021</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,092.2</td><td></td><td></td><td>$</td><td>2,050.9</td><td></td><td></td><td>$</td><td>6.7</td><td></td><td></td><td>$</td><td>( 0.1 )</td><td></td><td></td><td>$</td><td>3,149.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>350.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>350.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>( 3.4 )</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></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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>290.1</td><td></td><td></td><td></td><td></td><td>4.2</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td>Other Comprehensive Loss</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 10.9 )</td><td></td><td></td><td></td><td></td><td>( 10.9 )</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></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2022</td><td>0.1</td><td></td><td></td><td>1,442.2</td><td></td><td></td><td>2,236.0</td><td></td><td></td><td>( 4.2 )</td><td></td><td></td><td>0.7</td><td></td><td></td><td>3,674.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>50.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>50.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.0 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>220.3</td><td></td><td></td><td></td><td></td><td>3.5</td><td></td><td></td><td>223.8</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>0.8</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2023</td><td>0.1</td><td></td><td></td><td>1,492.2</td><td></td><td></td><td>2,281.3</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>3,770.4</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></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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>58.6</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>58.6</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td></td><td>( 1.1 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 1.1 )</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.3 )</td><td></td><td></td><td>( 4.3 )</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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>321.2</td><td></td><td></td><td></td><td></td><td>4.5</td><td></td><td></td><td>325.7</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>5.7</td><td></td><td></td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2024</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,549.7</td><td></td><td></td><td>$</td><td>2,352.5</td><td></td><td></td><td>$</td><td>2.3</td><td></td><td></td><td>$</td><td>0.4</td><td></td><td></td><td>$</td><td>3,905.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><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></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
10.9
|
monetaryItemType
|
table: <entity> 10.9 </entity> <entity type> monetaryItemType </entity type> <context> None </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><td></td><td></td><td></td></tr><tr><td></td><td>SWEPCo Common Shareholder</td><td></td><td></td><td></td><td></td></tr><tr><td></td><td>Common Stock</td><td></td><td>Paid-in Capital</td><td></td><td>Retained Earnings</td><td></td><td>Accumulated Other Comprehensive Income (Loss)</td><td></td><td>Noncontrolling Interest</td><td></td><td>Total</td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2021</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,092.2</td><td></td><td></td><td>$</td><td>2,050.9</td><td></td><td></td><td>$</td><td>6.7</td><td></td><td></td><td>$</td><td>( 0.1 )</td><td></td><td></td><td>$</td><td>3,149.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>350.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>350.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>( 3.4 )</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></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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>290.1</td><td></td><td></td><td></td><td></td><td>4.2</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td>Other Comprehensive Loss</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 10.9 )</td><td></td><td></td><td></td><td></td><td>( 10.9 )</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></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2022</td><td>0.1</td><td></td><td></td><td>1,442.2</td><td></td><td></td><td>2,236.0</td><td></td><td></td><td>( 4.2 )</td><td></td><td></td><td>0.7</td><td></td><td></td><td>3,674.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>50.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>50.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.0 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>220.3</td><td></td><td></td><td></td><td></td><td>3.5</td><td></td><td></td><td>223.8</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>0.8</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2023</td><td>0.1</td><td></td><td></td><td>1,492.2</td><td></td><td></td><td>2,281.3</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>3,770.4</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></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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>58.6</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>58.6</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td></td><td>( 1.1 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 1.1 )</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.3 )</td><td></td><td></td><td>( 4.3 )</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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>321.2</td><td></td><td></td><td></td><td></td><td>4.5</td><td></td><td></td><td>325.7</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>5.7</td><td></td><td></td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2024</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,549.7</td><td></td><td></td><td>$</td><td>2,352.5</td><td></td><td></td><td>$</td><td>2.3</td><td></td><td></td><td>$</td><td>0.4</td><td></td><td></td><td>$</td><td>3,905.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><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></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
1442.2
|
monetaryItemType
|
table: <entity> 1442.2 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL EQUITY β DECEMBER 31, 2022 | 0.1 | 1,442.2 | 2,236.0 | ( 4.2 ) | 0.7 | 3,674.8 </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><td></td></tr><tr><td></td><td>SWEPCo Common Shareholder</td><td></td><td></td><td></td><td></td></tr><tr><td></td><td>Common Stock</td><td></td><td>Paid-in Capital</td><td></td><td>Retained Earnings</td><td></td><td>Accumulated Other Comprehensive Income (Loss)</td><td></td><td>Noncontrolling Interest</td><td></td><td>Total</td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2021</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,092.2</td><td></td><td></td><td>$</td><td>2,050.9</td><td></td><td></td><td>$</td><td>6.7</td><td></td><td></td><td>$</td><td>( 0.1 )</td><td></td><td></td><td>$</td><td>3,149.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>350.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>350.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>( 3.4 )</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></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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>290.1</td><td></td><td></td><td></td><td></td><td>4.2</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td>Other Comprehensive Loss</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 10.9 )</td><td></td><td></td><td></td><td></td><td>( 10.9 )</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></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2022</td><td>0.1</td><td></td><td></td><td>1,442.2</td><td></td><td></td><td>2,236.0</td><td></td><td></td><td>( 4.2 )</td><td></td><td></td><td>0.7</td><td></td><td></td><td>3,674.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>50.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>50.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.0 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>220.3</td><td></td><td></td><td></td><td></td><td>3.5</td><td></td><td></td><td>223.8</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>0.8</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2023</td><td>0.1</td><td></td><td></td><td>1,492.2</td><td></td><td></td><td>2,281.3</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>3,770.4</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></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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>58.6</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>58.6</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td></td><td>( 1.1 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 1.1 )</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.3 )</td><td></td><td></td><td>( 4.3 )</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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>321.2</td><td></td><td></td><td></td><td></td><td>4.5</td><td></td><td></td><td>325.7</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>5.7</td><td></td><td></td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2024</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,549.7</td><td></td><td></td><td>$</td><td>2,352.5</td><td></td><td></td><td>$</td><td>2.3</td><td></td><td></td><td>$</td><td>0.4</td><td></td><td></td><td>$</td><td>3,905.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><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></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
2236.0
|
monetaryItemType
|
table: <entity> 2236.0 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL EQUITY β DECEMBER 31, 2022 | 0.1 | 1,442.2 | 2,236.0 | ( 4.2 ) | 0.7 | 3,674.8 </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><td></td></tr><tr><td></td><td>SWEPCo Common Shareholder</td><td></td><td></td><td></td><td></td></tr><tr><td></td><td>Common Stock</td><td></td><td>Paid-in Capital</td><td></td><td>Retained Earnings</td><td></td><td>Accumulated Other Comprehensive Income (Loss)</td><td></td><td>Noncontrolling Interest</td><td></td><td>Total</td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2021</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,092.2</td><td></td><td></td><td>$</td><td>2,050.9</td><td></td><td></td><td>$</td><td>6.7</td><td></td><td></td><td>$</td><td>( 0.1 )</td><td></td><td></td><td>$</td><td>3,149.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>350.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>350.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>( 3.4 )</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></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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>290.1</td><td></td><td></td><td></td><td></td><td>4.2</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td>Other Comprehensive Loss</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 10.9 )</td><td></td><td></td><td></td><td></td><td>( 10.9 )</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></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2022</td><td>0.1</td><td></td><td></td><td>1,442.2</td><td></td><td></td><td>2,236.0</td><td></td><td></td><td>( 4.2 )</td><td></td><td></td><td>0.7</td><td></td><td></td><td>3,674.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>50.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>50.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.0 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>220.3</td><td></td><td></td><td></td><td></td><td>3.5</td><td></td><td></td><td>223.8</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>0.8</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2023</td><td>0.1</td><td></td><td></td><td>1,492.2</td><td></td><td></td><td>2,281.3</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>3,770.4</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></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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>58.6</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>58.6</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td></td><td>( 1.1 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 1.1 )</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.3 )</td><td></td><td></td><td>( 4.3 )</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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>321.2</td><td></td><td></td><td></td><td></td><td>4.5</td><td></td><td></td><td>325.7</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>5.7</td><td></td><td></td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2024</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,549.7</td><td></td><td></td><td>$</td><td>2,352.5</td><td></td><td></td><td>$</td><td>2.3</td><td></td><td></td><td>$</td><td>0.4</td><td></td><td></td><td>$</td><td>3,905.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><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></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
4.2
|
monetaryItemType
|
table: <entity> 4.2 </entity> <entity type> monetaryItemType </entity type> <context> Net Income | 290.1 | 4.2 | 294.3 </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><td></td></tr><tr><td></td><td>SWEPCo Common Shareholder</td><td></td><td></td><td></td><td></td></tr><tr><td></td><td>Common Stock</td><td></td><td>Paid-in Capital</td><td></td><td>Retained Earnings</td><td></td><td>Accumulated Other Comprehensive Income (Loss)</td><td></td><td>Noncontrolling Interest</td><td></td><td>Total</td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2021</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,092.2</td><td></td><td></td><td>$</td><td>2,050.9</td><td></td><td></td><td>$</td><td>6.7</td><td></td><td></td><td>$</td><td>( 0.1 )</td><td></td><td></td><td>$</td><td>3,149.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>350.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>350.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>( 3.4 )</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></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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>290.1</td><td></td><td></td><td></td><td></td><td>4.2</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td>Other Comprehensive Loss</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 10.9 )</td><td></td><td></td><td></td><td></td><td>( 10.9 )</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></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2022</td><td>0.1</td><td></td><td></td><td>1,442.2</td><td></td><td></td><td>2,236.0</td><td></td><td></td><td>( 4.2 )</td><td></td><td></td><td>0.7</td><td></td><td></td><td>3,674.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>50.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>50.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.0 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>220.3</td><td></td><td></td><td></td><td></td><td>3.5</td><td></td><td></td><td>223.8</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>0.8</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2023</td><td>0.1</td><td></td><td></td><td>1,492.2</td><td></td><td></td><td>2,281.3</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>3,770.4</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></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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>58.6</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>58.6</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td></td><td>( 1.1 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 1.1 )</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.3 )</td><td></td><td></td><td>( 4.3 )</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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>321.2</td><td></td><td></td><td></td><td></td><td>4.5</td><td></td><td></td><td>325.7</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>5.7</td><td></td><td></td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2024</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,549.7</td><td></td><td></td><td>$</td><td>2,352.5</td><td></td><td></td><td>$</td><td>2.3</td><td></td><td></td><td>$</td><td>0.4</td><td></td><td></td><td>$</td><td>3,905.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><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></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
0.7
|
monetaryItemType
|
table: <entity> 0.7 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL EQUITY β DECEMBER 31, 2022 | 0.1 | 1,442.2 | 2,236.0 | ( 4.2 ) | 0.7 | 3,674.8 </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><td></td></tr><tr><td></td><td>SWEPCo Common Shareholder</td><td></td><td></td><td></td><td></td></tr><tr><td></td><td>Common Stock</td><td></td><td>Paid-in Capital</td><td></td><td>Retained Earnings</td><td></td><td>Accumulated Other Comprehensive Income (Loss)</td><td></td><td>Noncontrolling Interest</td><td></td><td>Total</td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2021</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,092.2</td><td></td><td></td><td>$</td><td>2,050.9</td><td></td><td></td><td>$</td><td>6.7</td><td></td><td></td><td>$</td><td>( 0.1 )</td><td></td><td></td><td>$</td><td>3,149.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>350.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>350.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 105.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>( 3.4 )</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></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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>290.1</td><td></td><td></td><td></td><td></td><td>4.2</td><td></td><td></td><td>294.3</td><td></td></tr><tr><td>Other Comprehensive Loss</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 10.9 )</td><td></td><td></td><td></td><td></td><td>( 10.9 )</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></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2022</td><td>0.1</td><td></td><td></td><td>1,442.2</td><td></td><td></td><td>2,236.0</td><td></td><td></td><td>( 4.2 )</td><td></td><td></td><td>0.7</td><td></td><td></td><td>3,674.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>50.0</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>50.0</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 175.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.0 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>220.3</td><td></td><td></td><td></td><td></td><td>3.5</td><td></td><td></td><td>223.8</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>0.8</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2023</td><td>0.1</td><td></td><td></td><td>1,492.2</td><td></td><td></td><td>2,281.3</td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>0.2</td><td></td><td></td><td>3,770.4</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></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></tr><tr><td>Capital Contribution from Parent</td><td></td><td></td><td>58.6</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>58.6</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td></td><td>( 1.1 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 1.1 )</td><td></td></tr><tr><td>Common Stock Dividends</td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 250.0 )</td><td></td></tr><tr><td>Common Stock Dividends β Nonaffiliated</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td>( 4.3 )</td><td></td><td></td><td>( 4.3 )</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></tr><tr><td>Net Income</td><td></td><td></td><td></td><td></td><td>321.2</td><td></td><td></td><td></td><td></td><td>4.5</td><td></td><td></td><td>325.7</td><td></td></tr><tr><td>Other Comprehensive Income</td><td></td><td></td><td></td><td></td><td></td><td></td><td>5.7</td><td></td><td></td><td></td><td></td><td>5.7</td><td></td></tr><tr><td>TOTAL EQUITY β DECEMBER 31, 2024</td><td>$</td><td>0.1</td><td></td><td></td><td>$</td><td>1,549.7</td><td></td><td></td><td>$</td><td>2,352.5</td><td></td><td></td><td>$</td><td>2.3</td><td></td><td></td><td>$</td><td>0.4</td><td></td><td></td><td>$</td><td>3,905.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><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></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
3674.8
|
monetaryItemType
|
table: <entity> 3674.8 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL EQUITY β DECEMBER 31, 2022 | 0.1 | 1,442.2 | 2,236.0 | ( 4.2 ) | 0.7 | 3,674.8 </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
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