context
stringlengths 21
24.6k
| category
stringclasses 2
values | entity
stringlengths 1
12
| entity_type
stringclasses 5
values | query
stringlengths 97
3.31k
| answer
stringlengths 12
168
|
|---|---|---|---|---|---|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
54.3
|
monetaryItemType
|
table: <entity> 54.3 </entity> <entity type> monetaryItemType </entity type> <context> Other Investing Activities | 54.3 | 69.3 | 35.1 </context>
|
us-gaap:PaymentsForProceedsFromOtherInvestingActivities
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</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
|
69.3
|
monetaryItemType
|
table: <entity> 69.3 </entity> <entity type> monetaryItemType </entity type> <context> Other Investing Activities | 54.3 | 69.3 | 35.1 </context>
|
us-gaap:PaymentsForProceedsFromOtherInvestingActivities
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
35.1
|
monetaryItemType
|
table: <entity> 35.1 </entity> <entity type> monetaryItemType </entity type> <context> Other Investing Activities | 54.3 | 69.3 | 35.1 </context>
|
us-gaap:PaymentsForProceedsFromOtherInvestingActivities
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</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
|
1359.4
|
monetaryItemType
|
table: <entity> 1359.4 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:NetCashProvidedByUsedInInvestingActivities
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
1408.0
|
monetaryItemType
|
table: <entity> 1408.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:NetCashProvidedByUsedInInvestingActivities
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</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
|
1269.9
|
monetaryItemType
|
table: <entity> 1269.9 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:NetCashProvidedByUsedInInvestingActivities
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
13.5
|
monetaryItemType
|
table: <entity> 13.5 </entity> <entity type> monetaryItemType </entity type> <context> Capital Contribution from Parent | 13.5 | 527.0 | 4.3 </context>
|
us-gaap:ProceedsFromContributionsFromParent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</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
|
527.0
|
monetaryItemType
|
table: <entity> 527.0 </entity> <entity type> monetaryItemType </entity type> <context> Capital Contribution from Parent | 13.5 | 527.0 | 4.3 </context>
|
us-gaap:ProceedsFromContributionsFromParent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
4.3
|
monetaryItemType
|
table: <entity> 4.3 </entity> <entity type> monetaryItemType </entity type> <context> Capital Contribution from Parent | 13.5 | 527.0 | 4.3 </context>
|
us-gaap:ProceedsFromContributionsFromParent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</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
|
841.9
|
monetaryItemType
|
table: <entity> 841.9 </entity> <entity type> monetaryItemType </entity type> <context> Issuance of Long-term Debt – Nonaffiliated | 841.9 | 505.4 | 1,188.6 </context>
|
us-gaap:ProceedsFromIssuanceOfLongTermDebt
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
505.4
|
monetaryItemType
|
table: <entity> 505.4 </entity> <entity type> monetaryItemType </entity type> <context> Issuance of Long-term Debt – Nonaffiliated | 841.9 | 505.4 | 1,188.6 </context>
|
us-gaap:ProceedsFromIssuanceOfLongTermDebt
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</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
|
1188.6
|
monetaryItemType
|
table: <entity> 1188.6 </entity> <entity type> monetaryItemType </entity type> <context> Issuance of Long-term Debt – Nonaffiliated | 841.9 | 505.4 | 1,188.6 </context>
|
us-gaap:ProceedsFromIssuanceOfLongTermDebt
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
296.0
|
monetaryItemType
|
table: <entity> 296.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:RepaymentsOfLongTermDebt
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</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
|
278.5
|
monetaryItemType
|
table: <entity> 278.5 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:RepaymentsOfLongTermDebt
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
716.0
|
monetaryItemType
|
table: <entity> 716.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:RepaymentsOfLongTermDebt
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</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
|
7.5
|
monetaryItemType
|
table: <entity> 7.5 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:FinanceLeasePrincipalPayments
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
7.4
|
monetaryItemType
|
table: <entity> 7.4 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:FinanceLeasePrincipalPayments
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</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
|
6.8
|
monetaryItemType
|
table: <entity> 6.8 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:FinanceLeasePrincipalPayments
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
350.0
|
monetaryItemType
|
table: <entity> 350.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:PaymentsOfDividendsCommonStock
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</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
|
—
|
monetaryItemType
|
table: <entity> — </entity> <entity type> monetaryItemType </entity type> <context> Mark-to-Market of Risk Management Contracts | — | 0.4 | ( 0.4 ) </context>
|
us-gaap:PaymentsOfDividendsCommonStock
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
2.4
|
monetaryItemType
|
table: <entity> 2.4 </entity> <entity type> monetaryItemType </entity type> <context> Other Financing Activities | 2.4 | 1.5 | 0.6 </context>
|
us-gaap:ProceedsFromPaymentsForOtherFinancingActivities
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</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
|
1.5
|
monetaryItemType
|
table: <entity> 1.5 </entity> <entity type> monetaryItemType </entity type> <context> Other Financing Activities | 2.4 | 1.5 | 0.6 </context>
|
us-gaap:ProceedsFromPaymentsForOtherFinancingActivities
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
0.6
|
monetaryItemType
|
table: <entity> 0.6 </entity> <entity type> monetaryItemType </entity type> <context> Other Financing Activities | 2.4 | 1.5 | 0.6 </context>
|
us-gaap:ProceedsFromPaymentsForOtherFinancingActivities
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</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
|
384.8
|
monetaryItemType
|
table: <entity> 384.8 </entity> <entity type> monetaryItemType </entity type> <context> Net Cash Flows from Financing Activities | 384.8 | 749.6 | 540.3 </context>
|
us-gaap:NetCashProvidedByUsedInFinancingActivities
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
749.6
|
monetaryItemType
|
table: <entity> 749.6 </entity> <entity type> monetaryItemType </entity type> <context> Net Cash Flows from Financing Activities | 384.8 | 749.6 | 540.3 </context>
|
us-gaap:NetCashProvidedByUsedInFinancingActivities
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</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
|
540.3
|
monetaryItemType
|
table: <entity> 540.3 </entity> <entity type> monetaryItemType </entity type> <context> Net Cash Flows from Financing Activities | 384.8 | 749.6 | 540.3 </context>
|
us-gaap:NetCashProvidedByUsedInFinancingActivities
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
10.5
|
monetaryItemType
|
table: <entity> 10.5 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</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> Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash | ( 10.5 ) | 1.3 | 2.3 </context>
|
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
2.3
|
monetaryItemType
|
table: <entity> 2.3 </entity> <entity type> monetaryItemType </entity type> <context> Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash | ( 10.5 ) | 1.3 | 2.3 </context>
|
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</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
|
34.1
|
monetaryItemType
|
table: <entity> 34.1 </entity> <entity type> monetaryItemType </entity type> <context> Cash, Cash Equivalents and Restricted Cash at Beginning of Period | 34.1 | 32.8 | 30.5 </context>
|
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
32.8
|
monetaryItemType
|
table: <entity> 32.8 </entity> <entity type> monetaryItemType </entity type> <context> Cash, Cash Equivalents and Restricted Cash at Beginning of Period | 34.1 | 32.8 | 30.5 </context>
|
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</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
|
30.5
|
monetaryItemType
|
table: <entity> 30.5 </entity> <entity type> monetaryItemType </entity type> <context> Cash, Cash Equivalents and Restricted Cash at Beginning of Period | 34.1 | 32.8 | 30.5 </context>
|
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</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
|
23.6
|
monetaryItemType
|
table: <entity> 23.6 </entity> <entity type> monetaryItemType </entity type> <context> Cash, Cash Equivalents and Restricted Cash at End of Period | $ | 23.6 | $ | 34.1 | $ | 32.8 </context>
|
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</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
|
240.7
|
monetaryItemType
|
table: <entity> 240.7 </entity> <entity type> monetaryItemType </entity type> <context> Cash Paid for Interest, Net of Capitalized Amounts | $ | 240.7 | $ | 225.6 | $ | 198.9 </context>
|
us-gaap:InterestPaidNet
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</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
|
225.6
|
monetaryItemType
|
table: <entity> 225.6 </entity> <entity type> monetaryItemType </entity type> <context> Cash Paid for Interest, Net of Capitalized Amounts | $ | 240.7 | $ | 225.6 | $ | 198.9 </context>
|
us-gaap:InterestPaidNet
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</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
|
198.9
|
monetaryItemType
|
table: <entity> 198.9 </entity> <entity type> monetaryItemType </entity type> <context> Cash Paid for Interest, Net of Capitalized Amounts | $ | 240.7 | $ | 225.6 | $ | 198.9 </context>
|
us-gaap:InterestPaidNet
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
10.9
|
monetaryItemType
|
table: <entity> 10.9 </entity> <entity type> monetaryItemType </entity type> <context> Net Cash Paid for Income Taxes | 10.9 | 11.5 | 11.0 </context>
|
us-gaap:IncomeTaxesPaidNet
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</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
|
11.5
|
monetaryItemType
|
table: <entity> 11.5 </entity> <entity type> monetaryItemType </entity type> <context> Net Cash Paid for Income Taxes | 10.9 | 11.5 | 11.0 </context>
|
us-gaap:IncomeTaxesPaidNet
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
11.0
|
monetaryItemType
|
table: <entity> 11.0 </entity> <entity type> monetaryItemType </entity type> <context> Net Cash Paid for Income Taxes | 10.9 | 11.5 | 11.0 </context>
|
us-gaap:IncomeTaxesPaidNet
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</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
|
4.6
|
monetaryItemType
|
table: <entity> 4.6 </entity> <entity type> monetaryItemType </entity type> <context> Noncash Acquisitions Under Finance Leases | 4.6 | 4.8 | 6.1 </context>
|
us-gaap:CapitalLeaseObligationsIncurred
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
4.8
|
monetaryItemType
|
table: <entity> 4.8 </entity> <entity type> monetaryItemType </entity type> <context> Noncash Acquisitions Under Finance Leases | 4.6 | 4.8 | 6.1 </context>
|
us-gaap:CapitalLeaseObligationsIncurred
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</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
|
6.1
|
monetaryItemType
|
table: <entity> 6.1 </entity> <entity type> monetaryItemType </entity type> <context> Noncash Acquisitions Under Finance Leases | 4.6 | 4.8 | 6.1 </context>
|
us-gaap:CapitalLeaseObligationsIncurred
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
266.0
|
monetaryItemType
|
table: <entity> 266.0 </entity> <entity type> monetaryItemType </entity type> <context> Construction Expenditures Included in Current Liabilities as of December 31, | 266.0 | 112.2 | 235.4 </context>
|
us-gaap:ConstructionInProgressExpendituresIncurredButNotYetPaid
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</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
|
112.2
|
monetaryItemType
|
table: <entity> 112.2 </entity> <entity type> monetaryItemType </entity type> <context> Construction Expenditures Included in Current Liabilities as of December 31, | 266.0 | 112.2 | 235.4 </context>
|
us-gaap:ConstructionInProgressExpendituresIncurredButNotYetPaid
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>OPERATING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Income</td><td></td><td>$</td><td>420.1</td><td></td><td></td><td>$</td><td>370.4</td><td></td><td></td><td>$</td><td>307.9</td><td></td></tr><tr><td>Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>493.5</td><td></td><td></td><td>468.5</td><td></td><td></td><td>452.4</td><td></td></tr><tr><td>Deferred Income Taxes</td><td></td><td>77.8</td><td></td><td></td><td>64.1</td><td></td><td></td><td>42.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>( 45.9 )</td><td></td><td></td><td>( 28.4 )</td><td></td><td></td><td>( 19.7 )</td><td></td></tr><tr><td>Mark-to-Market of Risk Management Contracts</td><td></td><td>—</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 0.4 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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>Change in Other Noncurrent Assets</td><td></td><td>( 90.8 )</td><td></td><td></td><td>( 96.5 )</td><td></td><td></td><td>( 36.2 )</td><td></td></tr><tr><td>Change in Other Noncurrent Liabilities</td><td></td><td>39.2</td><td></td><td></td><td>24.3</td><td></td><td></td><td>57.6</td><td></td></tr><tr><td>Changes in Certain Components of Working Capital:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accounts Receivable, Net</td><td></td><td>( 8.2 )</td><td></td><td></td><td>( 28.3 )</td><td></td><td></td><td>( 45.0 )</td><td></td></tr><tr><td>Materials and Supplies</td><td></td><td>20.9</td><td></td><td></td><td>( 51.6 )</td><td></td><td></td><td>( 64.9 )</td><td></td></tr><tr><td>Accounts Payable</td><td></td><td>24.8</td><td></td><td></td><td>( 24.1 )</td><td></td><td></td><td>25.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Accrued Taxes, Net</td><td></td><td>30.1</td><td></td><td></td><td>11.8</td><td></td><td></td><td>14.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Current Assets</td><td></td><td>( 5.6 )</td><td></td><td></td><td>3.0</td><td></td><td></td><td>2.2</td><td></td></tr><tr><td>Other Current Liabilities</td><td></td><td>8.2</td><td></td><td></td><td>( 53.9 )</td><td></td><td></td><td>( 4.0 )</td><td></td></tr><tr><td>Net Cash Flows from Operating Activities</td><td></td><td>964.1</td><td></td><td></td><td>659.7</td><td></td><td></td><td>731.9</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>INVESTING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Construction Expenditures</td><td></td><td>( 1,413.6 )</td><td></td><td></td><td>( 1,477.1 )</td><td></td><td></td><td>( 1,305.0 )</td><td></td></tr><tr><td>Change in Advances to Affiliates, Net</td><td></td><td>( 0.1 )</td><td></td><td></td><td>( 0.2 )</td><td></td><td></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 Investing Activities</td><td></td><td>54.3</td><td></td><td></td><td>69.3</td><td></td><td></td><td>35.1</td><td></td></tr><tr><td>Net Cash Flows Used for Investing Activities</td><td></td><td>( 1,359.4 )</td><td></td><td></td><td>( 1,408.0 )</td><td></td><td></td><td>( 1,269.9 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FINANCING ACTIVITIES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Parent</td><td></td><td>13.5</td><td></td><td></td><td>527.0</td><td></td><td></td><td>4.3</td><td></td></tr><tr><td>Return of Capital to Parent</td><td></td><td>( 0.7 )</td><td></td><td></td><td>( 5.6 )</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Issuance of Long-term Debt – Nonaffiliated</td><td></td><td>841.9</td><td></td><td></td><td>505.4</td><td></td><td></td><td>1,188.6</td><td></td></tr><tr><td>Change in Advances from Affiliates, Net</td><td></td><td>181.2</td><td></td><td></td><td>7.2</td><td></td><td></td><td>69.6</td><td></td></tr><tr><td>Retirement of Long-term Debt – Nonaffiliated</td><td></td><td>( 296.0 )</td><td></td><td></td><td>( 278.5 )</td><td></td><td></td><td>( 716.0 )</td><td></td></tr><tr><td>Principal Payments for Finance Lease Obligations</td><td></td><td>( 7.5 )</td><td></td><td></td><td>( 7.4 )</td><td></td><td></td><td>( 6.8 )</td><td></td></tr><tr><td>Dividends Paid on Common Stock</td><td></td><td>( 350.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Other Financing Activities</td><td></td><td>2.4</td><td></td><td></td><td>1.5</td><td></td><td></td><td>0.6</td><td></td></tr><tr><td>Net Cash Flows from Financing Activities</td><td></td><td>384.8</td><td></td><td></td><td>749.6</td><td></td><td></td><td>540.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash</td><td></td><td>( 10.5 )</td><td></td><td></td><td>1.3</td><td></td><td></td><td>2.3</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at Beginning of Period</td><td></td><td>34.1</td><td></td><td></td><td>32.8</td><td></td><td></td><td>30.5</td><td></td></tr><tr><td>Cash, Cash Equivalents and Restricted Cash at End of Period</td><td></td><td>$</td><td>23.6</td><td></td><td></td><td>$</td><td>34.1</td><td></td><td></td><td>$</td><td>32.8</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>SUPPLEMENTARY INFORMATION</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Cash Paid for Interest, Net of Capitalized Amounts</td><td></td><td>$</td><td>240.7</td><td></td><td></td><td>$</td><td>225.6</td><td></td><td></td><td>$</td><td>198.9</td><td></td></tr><tr><td>Net Cash Paid for Income Taxes</td><td></td><td>10.9</td><td></td><td></td><td>11.5</td><td></td><td></td><td>11.0</td><td></td></tr><tr><td>Noncash Acquisitions Under Finance Leases</td><td></td><td>4.6</td><td></td><td></td><td>4.8</td><td></td><td></td><td>6.1</td><td></td></tr><tr><td>Construction Expenditures Included in Current Liabilities as of December 31,</td><td></td><td>266.0</td><td></td><td></td><td>112.2</td><td></td><td></td><td>235.4</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>See Notes to Financial Statements of Registrants beginning on page 177 . See Notes to Financial Statements of Registrants beginning on page 177 .</td></tr></table>
|
table
|
235.4
|
monetaryItemType
|
table: <entity> 235.4 </entity> <entity type> monetaryItemType </entity type> <context> Construction Expenditures Included in Current Liabilities as of December 31, | 266.0 | 112.2 | 235.4 </context>
|
us-gaap:ConstructionInProgressExpendituresIncurredButNotYetPaid
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>REVENUES</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
400.9
|
monetaryItemType
|
table: <entity> 400.9 </entity> <entity type> monetaryItemType </entity type> <context> Transmission Revenues | $ | 400.9 | $ | 363.3 | $ | 354.9 </context>
|
us-gaap:Revenues
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
363.3
|
monetaryItemType
|
table: <entity> 363.3 </entity> <entity type> monetaryItemType </entity type> <context> Transmission Revenues | $ | 400.9 | $ | 363.3 | $ | 354.9 </context>
|
us-gaap:Revenues
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
354.9
|
monetaryItemType
|
table: <entity> 354.9 </entity> <entity type> monetaryItemType </entity type> <context> Transmission Revenues | $ | 400.9 | $ | 363.3 | $ | 354.9 </context>
|
us-gaap:Revenues
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
1582.3
|
monetaryItemType
|
table: <entity> 1582.3 </entity> <entity type> monetaryItemType </entity type> <context> Sales to AEP Affiliates | 1,582.3 | 1,463.4 | 1,354.5 </context>
|
us-gaap:Revenues
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
1463.4
|
monetaryItemType
|
table: <entity> 1463.4 </entity> <entity type> monetaryItemType </entity type> <context> Sales to AEP Affiliates | 1,582.3 | 1,463.4 | 1,354.5 </context>
|
us-gaap:Revenues
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
1354.5
|
monetaryItemType
|
table: <entity> 1354.5 </entity> <entity type> monetaryItemType </entity type> <context> Sales to AEP Affiliates | 1,582.3 | 1,463.4 | 1,354.5 </context>
|
us-gaap:Revenues
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
70.0
|
monetaryItemType
|
table: <entity> 70.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:Revenues
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
145.6
|
monetaryItemType
|
table: <entity> 145.6 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:Revenues
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
70.7
|
monetaryItemType
|
table: <entity> 70.7 </entity> <entity type> monetaryItemType </entity type> <context> Allowance for Equity Funds Used During Construction | 89.4 | 83.2 | 70.7 </context>
|
us-gaap:Revenues
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
22.3
|
monetaryItemType
|
table: <entity> 22.3 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:Revenues
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
9.1
|
monetaryItemType
|
table: <entity> 9.1 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:Revenues
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
14.2
|
monetaryItemType
|
table: <entity> 14.2 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:Revenues
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
1890.9
|
monetaryItemType
|
table: <entity> 1890.9 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL REVENUES | 1,890.9 | 1,672.0 | 1,624.5 </context>
|
us-gaap:Revenues
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
1672.0
|
monetaryItemType
|
table: <entity> 1672.0 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL REVENUES | 1,890.9 | 1,672.0 | 1,624.5 </context>
|
us-gaap:Revenues
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
1624.5
|
monetaryItemType
|
table: <entity> 1624.5 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL REVENUES | 1,890.9 | 1,672.0 | 1,624.5 </context>
|
us-gaap:Revenues
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
137.4
|
monetaryItemType
|
table: <entity> 137.4 </entity> <entity type> monetaryItemType </entity type> <context> Other Operation | 137.4 | 109.0 | 136.3 </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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
109.0
|
monetaryItemType
|
table: <entity> 109.0 </entity> <entity type> monetaryItemType </entity type> <context> Other Operation | 137.4 | 109.0 | 136.3 </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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
136.3
|
monetaryItemType
|
table: <entity> 136.3 </entity> <entity type> monetaryItemType </entity type> <context> Other Operation | 137.4 | 109.0 | 136.3 </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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
20.9
|
monetaryItemType
|
table: <entity> 20.9 </entity> <entity type> monetaryItemType </entity type> <context> Maintenance | 20.9 | 20.4 | 17.2 </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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
20.4
|
monetaryItemType
|
table: <entity> 20.4 </entity> <entity type> monetaryItemType </entity type> <context> Maintenance | 20.9 | 20.4 | 17.2 </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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
17.2
|
monetaryItemType
|
table: <entity> 17.2 </entity> <entity type> monetaryItemType </entity type> <context> Maintenance | 20.9 | 20.4 | 17.2 </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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
430.9
|
monetaryItemType
|
table: <entity> 430.9 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization | 430.9 | 393.8 | 346.2 </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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
393.8
|
monetaryItemType
|
table: <entity> 393.8 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization | 430.9 | 393.8 | 346.2 </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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
346.2
|
monetaryItemType
|
table: <entity> 346.2 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization | 430.9 | 393.8 | 346.2 </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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
308.7
|
monetaryItemType
|
table: <entity> 308.7 </entity> <entity type> monetaryItemType </entity type> <context> Taxes Other Than Income Taxes | 308.7 | 283.2 | 271.1 </context>
|
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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
283.2
|
monetaryItemType
|
table: <entity> 283.2 </entity> <entity type> monetaryItemType </entity type> <context> Taxes Other Than Income Taxes | 308.7 | 283.2 | 271.1 </context>
|
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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
271.1
|
monetaryItemType
|
table: <entity> 271.1 </entity> <entity type> monetaryItemType </entity type> <context> Taxes Other Than Income Taxes | 308.7 | 283.2 | 271.1 </context>
|
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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
897.9
|
monetaryItemType
|
table: <entity> 897.9 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL EXPENSES | 897.9 | 806.4 | 770.8 </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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
806.4
|
monetaryItemType
|
table: <entity> 806.4 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL EXPENSES | 897.9 | 806.4 | 770.8 </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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
770.8
|
monetaryItemType
|
table: <entity> 770.8 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL EXPENSES | 897.9 | 806.4 | 770.8 </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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
993.0
|
monetaryItemType
|
table: <entity> 993.0 </entity> <entity type> monetaryItemType </entity type> <context> OPERATING INCOME | 993.0 | 865.6 | 853.7 </context>
|
us-gaap:OperatingIncomeLoss
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
865.6
|
monetaryItemType
|
table: <entity> 865.6 </entity> <entity type> monetaryItemType </entity type> <context> OPERATING INCOME | 993.0 | 865.6 | 853.7 </context>
|
us-gaap:OperatingIncomeLoss
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
853.7
|
monetaryItemType
|
table: <entity> 853.7 </entity> <entity type> monetaryItemType </entity type> <context> OPERATING INCOME | 993.0 | 865.6 | 853.7 </context>
|
us-gaap:OperatingIncomeLoss
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
10.5
|
monetaryItemType
|
table: <entity> 10.5 </entity> <entity type> monetaryItemType </entity type> <context> Interest Income - Affiliated | 10.5 | 7.0 | 1.6 </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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
7.0
|
monetaryItemType
|
table: <entity> 7.0 </entity> <entity type> monetaryItemType </entity type> <context> Interest Income - Affiliated | 10.5 | 7.0 | 1.6 </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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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> Interest Income - Affiliated | 10.5 | 7.0 | 1.6 </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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
89.4
|
monetaryItemType
|
table: <entity> 89.4 </entity> <entity type> monetaryItemType </entity type> <context> Allowance for Equity Funds Used During Construction | 89.4 | 83.2 | 70.7 </context>
|
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
83.2
|
monetaryItemType
|
table: <entity> 83.2 </entity> <entity type> monetaryItemType </entity type> <context> Allowance for Equity Funds Used During Construction | 89.4 | 83.2 | 70.7 </context>
|
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
70.7
|
monetaryItemType
|
table: <entity> 70.7 </entity> <entity type> monetaryItemType </entity type> <context> Allowance for Equity Funds Used During Construction | 89.4 | 83.2 | 70.7 </context>
|
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
214.2
|
monetaryItemType
|
table: <entity> 214.2 </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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
194.5
|
monetaryItemType
|
table: <entity> 194.5 </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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
162.7
|
monetaryItemType
|
table: <entity> 162.7 </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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
878.7
|
monetaryItemType
|
table: <entity> 878.7 </entity> <entity type> monetaryItemType </entity type> <context> INCOME BEFORE INCOME TAX EXPENSE | 878.7 | 761.3 | 763.3 </context>
|
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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
761.3
|
monetaryItemType
|
table: <entity> 761.3 </entity> <entity type> monetaryItemType </entity type> <context> INCOME BEFORE INCOME TAX EXPENSE | 878.7 | 761.3 | 763.3 </context>
|
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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
763.3
|
monetaryItemType
|
table: <entity> 763.3 </entity> <entity type> monetaryItemType </entity type> <context> INCOME BEFORE INCOME TAX EXPENSE | 878.7 | 761.3 | 763.3 </context>
|
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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
190.3
|
monetaryItemType
|
table: <entity> 190.3 </entity> <entity type> monetaryItemType </entity type> <context> Income Tax Expense | 190.3 | 147.1 | 169.1 </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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
147.1
|
monetaryItemType
|
table: <entity> 147.1 </entity> <entity type> monetaryItemType </entity type> <context> Income Tax Expense | 190.3 | 147.1 | 169.1 </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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
169.1
|
monetaryItemType
|
table: <entity> 169.1 </entity> <entity type> monetaryItemType </entity type> <context> Income Tax Expense | 190.3 | 147.1 | 169.1 </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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
688.4
|
monetaryItemType
|
table: <entity> 688.4 </entity> <entity type> monetaryItemType </entity type> <context> NET INCOME | $ | 688.4 | $ | 614.2 | $ | 594.2 </context>
|
us-gaap:NetIncomeLoss
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
614.2
|
monetaryItemType
|
table: <entity> 614.2 </entity> <entity type> monetaryItemType </entity type> <context> NET INCOME | $ | 688.4 | $ | 614.2 | $ | 594.2 </context>
|
us-gaap:NetIncomeLoss
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><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>Transmission Revenues</td><td></td><td>$</td><td>400.9</td><td></td><td></td><td>$</td><td>363.3</td><td></td><td></td><td>$</td><td>354.9</td><td></td></tr><tr><td>Sales to AEP Affiliates</td><td></td><td>1,582.3</td><td></td><td></td><td>1,463.4</td><td></td><td></td><td>1,354.5</td><td></td></tr><tr><td>Provision for Refund – Affiliated</td><td></td><td>( 70.0 )</td><td></td><td></td><td>( 145.6 )</td><td></td><td></td><td>( 70.7 )</td><td></td></tr><tr><td>Provision for Refund – Nonaffiliated</td><td></td><td>( 22.3 )</td><td></td><td></td><td>( 9.1 )</td><td></td><td></td><td>( 14.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>TOTAL REVENUES</td><td></td><td>1,890.9</td><td></td><td></td><td>1,672.0</td><td></td><td></td><td>1,624.5</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>Other Operation</td><td></td><td>137.4</td><td></td><td></td><td>109.0</td><td></td><td></td><td>136.3</td><td></td></tr><tr><td>Maintenance</td><td></td><td>20.9</td><td></td><td></td><td>20.4</td><td></td><td></td><td>17.2</td><td></td></tr><tr><td>Depreciation and Amortization</td><td></td><td>430.9</td><td></td><td></td><td>393.8</td><td></td><td></td><td>346.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Taxes Other Than Income Taxes</td><td></td><td>308.7</td><td></td><td></td><td>283.2</td><td></td><td></td><td>271.1</td><td></td></tr><tr><td>TOTAL EXPENSES</td><td></td><td>897.9</td><td></td><td></td><td>806.4</td><td></td><td></td><td>770.8</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>993.0</td><td></td><td></td><td>865.6</td><td></td><td></td><td>853.7</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 - Affiliated</td><td></td><td>10.5</td><td></td><td></td><td>7.0</td><td></td><td></td><td>1.6</td><td></td></tr><tr><td>Allowance for Equity Funds Used During Construction</td><td></td><td>89.4</td><td></td><td></td><td>83.2</td><td></td><td></td><td>70.7</td><td></td></tr><tr><td>Interest Expense</td><td></td><td>( 214.2 )</td><td></td><td></td><td>( 194.5 )</td><td></td><td></td><td>( 162.7 )</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</td><td></td><td>878.7</td><td></td><td></td><td>761.3</td><td></td><td></td><td>763.3</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</td><td></td><td>190.3</td><td></td><td></td><td>147.1</td><td></td><td></td><td>169.1</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>$</td><td>688.4</td><td></td><td></td><td>$</td><td>614.2</td><td></td><td></td><td>$</td><td>594.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>AEPTCo is wholly-owned by AEP Transmission Holdco.</td><td></td><td></td><td></td><td></td><td></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
|
594.2
|
monetaryItemType
|
table: <entity> 594.2 </entity> <entity type> monetaryItemType </entity type> <context> NET INCOME | $ | 688.4 | $ | 614.2 | $ | 594.2 </context>
|
us-gaap:NetIncomeLoss
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Paid-in Capital</td><td></td><td>Retained Earnings</td><td></td><td>Total Member’s Equity</td></tr><tr><td>TOTAL MEMBER'S EQUITY - DECEMBER 31, 2021</td><td></td><td>$</td><td>2,949.6</td><td></td><td></td><td>$</td><td>2,426.5</td><td></td><td></td><td>$</td><td>5,376.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Member</td><td></td><td>72.7</td><td></td><td></td><td></td><td></td><td>72.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Dividends Paid to Member</td><td></td><td></td><td></td><td>( 170.0 )</td><td></td><td></td><td>( 170.0 )</td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td>594.2</td><td></td><td></td><td>594.2</td><td></td></tr><tr><td>TOTAL MEMBER'S EQUITY - DECEMBER 31, 2022</td><td></td><td>3,022.3</td><td></td><td></td><td>2,850.7</td><td></td><td></td><td>5,873.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Member</td><td></td><td>29.7</td><td></td><td></td><td></td><td></td><td>29.7</td><td></td></tr><tr><td>Return of Capital to Member</td><td></td><td>( 8.6 )</td><td></td><td></td><td></td><td></td><td>( 8.6 )</td><td></td></tr><tr><td>Dividends Paid to Member</td><td></td><td></td><td></td><td>( 175.0 )</td><td></td><td></td><td>( 175.0 )</td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td>614.2</td><td></td><td></td><td>614.2</td><td></td></tr><tr><td>TOTAL MEMBER'S EQUITY - DECEMBER 31, 2023</td><td></td><td>3,043.4</td><td></td><td></td><td>3,289.9</td><td></td><td></td><td>6,333.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Member</td><td></td><td>61.7</td><td></td><td></td><td></td><td></td><td>61.7</td><td></td></tr><tr><td>Return of Capital to Member</td><td></td><td>( 4.5 )</td><td></td><td></td><td></td><td></td><td>( 4.5 )</td><td></td></tr><tr><td>Dividends Paid to Member</td><td></td><td></td><td></td><td>( 128.0 )</td><td></td><td></td><td>( 128.0 )</td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td>688.4</td><td></td><td></td><td>688.4</td><td></td></tr><tr><td>TOTAL MEMBER'S EQUITY - DECEMBER 31, 2024</td><td></td><td>$</td><td>3,100.6</td><td></td><td></td><td>$</td><td>3,850.3</td><td></td><td></td><td>$</td><td>6,950.9</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
|
2949.6
|
monetaryItemType
|
table: <entity> 2949.6 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL MEMBER'S EQUITY - DECEMBER 31, 2021 | $ | 2,949.6 | $ | 2,426.5 | $ | 5,376.1 </context>
|
us-gaap:MembersEquity
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Paid-in Capital</td><td></td><td>Retained Earnings</td><td></td><td>Total Member’s Equity</td></tr><tr><td>TOTAL MEMBER'S EQUITY - DECEMBER 31, 2021</td><td></td><td>$</td><td>2,949.6</td><td></td><td></td><td>$</td><td>2,426.5</td><td></td><td></td><td>$</td><td>5,376.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Member</td><td></td><td>72.7</td><td></td><td></td><td></td><td></td><td>72.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Dividends Paid to Member</td><td></td><td></td><td></td><td>( 170.0 )</td><td></td><td></td><td>( 170.0 )</td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td>594.2</td><td></td><td></td><td>594.2</td><td></td></tr><tr><td>TOTAL MEMBER'S EQUITY - DECEMBER 31, 2022</td><td></td><td>3,022.3</td><td></td><td></td><td>2,850.7</td><td></td><td></td><td>5,873.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Member</td><td></td><td>29.7</td><td></td><td></td><td></td><td></td><td>29.7</td><td></td></tr><tr><td>Return of Capital to Member</td><td></td><td>( 8.6 )</td><td></td><td></td><td></td><td></td><td>( 8.6 )</td><td></td></tr><tr><td>Dividends Paid to Member</td><td></td><td></td><td></td><td>( 175.0 )</td><td></td><td></td><td>( 175.0 )</td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td>614.2</td><td></td><td></td><td>614.2</td><td></td></tr><tr><td>TOTAL MEMBER'S EQUITY - DECEMBER 31, 2023</td><td></td><td>3,043.4</td><td></td><td></td><td>3,289.9</td><td></td><td></td><td>6,333.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Member</td><td></td><td>61.7</td><td></td><td></td><td></td><td></td><td>61.7</td><td></td></tr><tr><td>Return of Capital to Member</td><td></td><td>( 4.5 )</td><td></td><td></td><td></td><td></td><td>( 4.5 )</td><td></td></tr><tr><td>Dividends Paid to Member</td><td></td><td></td><td></td><td>( 128.0 )</td><td></td><td></td><td>( 128.0 )</td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td>688.4</td><td></td><td></td><td>688.4</td><td></td></tr><tr><td>TOTAL MEMBER'S EQUITY - DECEMBER 31, 2024</td><td></td><td>$</td><td>3,100.6</td><td></td><td></td><td>$</td><td>3,850.3</td><td></td><td></td><td>$</td><td>6,950.9</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
|
2426.5
|
monetaryItemType
|
table: <entity> 2426.5 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL MEMBER'S EQUITY - DECEMBER 31, 2021 | $ | 2,949.6 | $ | 2,426.5 | $ | 5,376.1 </context>
|
us-gaap:MembersEquity
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Paid-in Capital</td><td></td><td>Retained Earnings</td><td></td><td>Total Member’s Equity</td></tr><tr><td>TOTAL MEMBER'S EQUITY - DECEMBER 31, 2021</td><td></td><td>$</td><td>2,949.6</td><td></td><td></td><td>$</td><td>2,426.5</td><td></td><td></td><td>$</td><td>5,376.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Member</td><td></td><td>72.7</td><td></td><td></td><td></td><td></td><td>72.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Dividends Paid to Member</td><td></td><td></td><td></td><td>( 170.0 )</td><td></td><td></td><td>( 170.0 )</td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td>594.2</td><td></td><td></td><td>594.2</td><td></td></tr><tr><td>TOTAL MEMBER'S EQUITY - DECEMBER 31, 2022</td><td></td><td>3,022.3</td><td></td><td></td><td>2,850.7</td><td></td><td></td><td>5,873.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Member</td><td></td><td>29.7</td><td></td><td></td><td></td><td></td><td>29.7</td><td></td></tr><tr><td>Return of Capital to Member</td><td></td><td>( 8.6 )</td><td></td><td></td><td></td><td></td><td>( 8.6 )</td><td></td></tr><tr><td>Dividends Paid to Member</td><td></td><td></td><td></td><td>( 175.0 )</td><td></td><td></td><td>( 175.0 )</td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td>614.2</td><td></td><td></td><td>614.2</td><td></td></tr><tr><td>TOTAL MEMBER'S EQUITY - DECEMBER 31, 2023</td><td></td><td>3,043.4</td><td></td><td></td><td>3,289.9</td><td></td><td></td><td>6,333.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Member</td><td></td><td>61.7</td><td></td><td></td><td></td><td></td><td>61.7</td><td></td></tr><tr><td>Return of Capital to Member</td><td></td><td>( 4.5 )</td><td></td><td></td><td></td><td></td><td>( 4.5 )</td><td></td></tr><tr><td>Dividends Paid to Member</td><td></td><td></td><td></td><td>( 128.0 )</td><td></td><td></td><td>( 128.0 )</td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td>688.4</td><td></td><td></td><td>688.4</td><td></td></tr><tr><td>TOTAL MEMBER'S EQUITY - DECEMBER 31, 2024</td><td></td><td>$</td><td>3,100.6</td><td></td><td></td><td>$</td><td>3,850.3</td><td></td><td></td><td>$</td><td>6,950.9</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
|
5376.1
|
monetaryItemType
|
table: <entity> 5376.1 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL MEMBER'S EQUITY - DECEMBER 31, 2021 | $ | 2,949.6 | $ | 2,426.5 | $ | 5,376.1 </context>
|
us-gaap:MembersEquity
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Paid-in Capital</td><td></td><td>Retained Earnings</td><td></td><td>Total Member’s Equity</td></tr><tr><td>TOTAL MEMBER'S EQUITY - DECEMBER 31, 2021</td><td></td><td>$</td><td>2,949.6</td><td></td><td></td><td>$</td><td>2,426.5</td><td></td><td></td><td>$</td><td>5,376.1</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Member</td><td></td><td>72.7</td><td></td><td></td><td></td><td></td><td>72.7</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Dividends Paid to Member</td><td></td><td></td><td></td><td>( 170.0 )</td><td></td><td></td><td>( 170.0 )</td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td>594.2</td><td></td><td></td><td>594.2</td><td></td></tr><tr><td>TOTAL MEMBER'S EQUITY - DECEMBER 31, 2022</td><td></td><td>3,022.3</td><td></td><td></td><td>2,850.7</td><td></td><td></td><td>5,873.0</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Member</td><td></td><td>29.7</td><td></td><td></td><td></td><td></td><td>29.7</td><td></td></tr><tr><td>Return of Capital to Member</td><td></td><td>( 8.6 )</td><td></td><td></td><td></td><td></td><td>( 8.6 )</td><td></td></tr><tr><td>Dividends Paid to Member</td><td></td><td></td><td></td><td>( 175.0 )</td><td></td><td></td><td>( 175.0 )</td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td>614.2</td><td></td><td></td><td>614.2</td><td></td></tr><tr><td>TOTAL MEMBER'S EQUITY - DECEMBER 31, 2023</td><td></td><td>3,043.4</td><td></td><td></td><td>3,289.9</td><td></td><td></td><td>6,333.3</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Capital Contribution from Member</td><td></td><td>61.7</td><td></td><td></td><td></td><td></td><td>61.7</td><td></td></tr><tr><td>Return of Capital to Member</td><td></td><td>( 4.5 )</td><td></td><td></td><td></td><td></td><td>( 4.5 )</td><td></td></tr><tr><td>Dividends Paid to Member</td><td></td><td></td><td></td><td>( 128.0 )</td><td></td><td></td><td>( 128.0 )</td><td></td></tr><tr><td>Net Income</td><td></td><td></td><td></td><td>688.4</td><td></td><td></td><td>688.4</td><td></td></tr><tr><td>TOTAL MEMBER'S EQUITY - DECEMBER 31, 2024</td><td></td><td>$</td><td>3,100.6</td><td></td><td></td><td>$</td><td>3,850.3</td><td></td><td></td><td>$</td><td>6,950.9</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
|
170.0
|
monetaryItemType
|
table: <entity> 170.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:Dividends
|
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.