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v3.25.1

BUSINESS SEGMENTS - Schedule of AEPTCo's Reportable Segment Information (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Segment Reporting Information [Line Items] |  |  |
Total Revenues | $ 5,463.4 | $ 5,025.7 |
Other Operation and Maintenance | 1,070.9 | 1,079.8 |
Depreciation and Amortization | 833.4 | 787.1 |
Taxes Other Than Income Taxes | 422.0 | 410.4 |
Allowance for Equity Funds Used During Construction | 57.3 | 43.6 |
Interest Expense | 494.9 | 435.6 |
Income Tax Expense (Benefit) | 125.5 | (141.9) |
Gross Property Additions | 2,100.2 | 1,761.7 |
Total Assets | 104,394.6 |  | $ 103,078.0
Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenues | 5,953.3 | 5,498.9 |
Other Operation and Maintenance | 1,528.3 | 1,473.1 |
Depreciation and Amortization | 838.4 | 792.4 |
Taxes Other Than Income Taxes | 415.1 | 405.7 |
Allowance for Equity Funds Used During Construction | 57.3 | 43.6 |
Interest Expense | 371.1 | 316.3 |
Income Tax Expense (Benefit) | 181.8 | (95.3) |
Gross Property Additions | 2,058.8 | 1,753.6 |
Total Assets | 102,478.8 |  | 101,506.6
Operating Segments | Nonrelated Party |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenues | 5,447.5 | 5,010.8 |
Corporate and Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenues | 44.6 | 52.8 |
Other Operation and Maintenance | 15.8 | 36.1 |
Depreciation and Amortization | (5.1) | (5.3) |
Taxes Other Than Income Taxes | 0.5 | 0.1 |
Allowance for Equity Funds Used During Construction | 0.0 | 0.0 |
Interest Expense | 147.0 | 155.8 |
Income Tax Expense (Benefit) | (56.3) | (46.6) |
Gross Property Additions | 30.0 | 3.1 |
Total Assets | 5,720.6 |  | 5,550.8
Corporate and Other | Nonrelated Party |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenues | 15.9 | 14.9 |
Reconciling Adjustments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenues | (534.5) | (526.0) |
Other Operation and Maintenance | (473.2) | (429.4) |
Depreciation and Amortization | 0.1 | 0.0 |
Taxes Other Than Income Taxes | 6.4 | 4.6 |
Allowance for Equity Funds Used During Construction | 0.0 | 0.0 |
Interest Expense | (23.2) | (36.5) |
Income Tax Expense (Benefit) | 0.0 | 0.0 |
Gross Property Additions | 11.4 | 5.0 |
Total Assets | (3,804.8) |  | (3,979.4)
Reconciling Adjustments | Nonrelated Party |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenues | 0.0 | 0.0 |
AEPTCo |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenues | 527.1 | 482.8 |
Other Revenues |  | 2.4 |
Other Operation and Maintenance | 34.4 | 35.2 |
Depreciation and Amortization | 114.1 | 105.9 |
Taxes Other Than Income Taxes | 74.1 | 73.4 |
Interest Income | 0.4 | 1.9 |
Allowance for Equity Funds Used During Construction | 22.4 | 17.9 |
Interest Expense | 55.0 | 54.8 |
Income Tax Expense (Benefit) | 60.8 | 52.1 |
NET INCOME | 211.5 | 181.2 |
Gross Property Additions | 421.8 | 336.5 |
Total Assets | 16,702.8 |  | 16,370.3
AEPTCo | Nonrelated Party |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenues | 104.3 | 97.0 |
AEPTCo | Affiliated Entity |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenues | 422.8 | 383.4 |
AEPTCo | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenues | 527.1 | 482.8 |
Other Operation and Maintenance | 34.2 | 33.7 |
Taxes Other Than Income Taxes | 74.1 | 73.4 |
AEPTCo | Corporate and Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenues | 0.0 | 0.0 |
Other Revenues |  | 0.0 |
Other Operation and Maintenance | 0.2 | 1.5 |
Depreciation and Amortization | 0.0 | 0.0 |
Taxes Other Than Income Taxes | 0.0 | 0.0 |
Interest Income | 89.3 | 57.1 |
Allowance for Equity Funds Used During Construction | 0.0 | 0.0 |
Interest Expense | 60.0 | 56.3 |
Income Tax Expense (Benefit) | 0.0 | (0.2) |
NET INCOME | 29.1 | (0.5) |
Gross Property Additions | 0.0 | 0.0 |
Total Assets | 8,678.6 |  | 8,670.4
AEPTCo | Corporate and Other | Nonrelated Party |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenues | 0.0 | 0.0 |
AEPTCo | Corporate and Other | Affiliated Entity |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenues | 0.0 | 0.0 |
AEPTCo | Reconciling Adjustments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenues | 0.0 | 0.0 |
Other Revenues |  | 0.0 |
Other Operation and Maintenance | 0.0 | 0.0 |
Depreciation and Amortization | 0.0 | 0.0 |
Taxes Other Than Income Taxes | 0.0 | 0.0 |
Interest Income | (89.0) | (56.2) |
Allowance for Equity Funds Used During Construction | 0.0 | 0.0 |
Interest Expense | (89.0) | (56.2) |
Income Tax Expense (Benefit) | 0.0 | 0.0 |
NET INCOME | 0.0 | 0.0 |
Gross Property Additions | 0.0 | 0.0 |
Total Assets | (8,684.6) |  | (9,187.8)
AEPTCo | Reconciling Adjustments | Nonrelated Party |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenues | 0.0 | 0.0 |
AEPTCo | Reconciling Adjustments | Affiliated Entity |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenues | 0.0 | 0.0 |
State Transcos [Member] | AEPTCo | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Other Revenues |  | 2.4 |
Depreciation and Amortization | 114.1 | 105.9 |
Interest Income | 0.1 | 1.0 |
Allowance for Equity Funds Used During Construction | 22.4 | 17.9 |
Interest Expense | 84.0 | 54.7 |
Income Tax Expense (Benefit) | 60.8 | 52.3 |
NET INCOME | 182.4 | 181.7 |
Gross Property Additions | 421.8 | 336.5 |
Total Assets | 16,708.8 |  | $ 16,887.7
State Transcos [Member] | AEPTCo | Operating Segments | Nonrelated Party |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenues | 104.3 | 97.0 |
State Transcos [Member] | AEPTCo | Operating Segments | Affiliated Entity |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Revenues | $ 422.8 | $ 383.4 |

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