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v3.24.2

Acquisitions and Dispositions (Details) | 3 Months Ended | 6 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2024 USD ($) MW | Jun. 30, 2024 USD ($) MW | Jun. 30, 2023 USD ($) | Sep. 30, 2023 USD ($) | Dec. 31, 2023 USD ($)
Customers |  | $ 1,081,100,000 | $ 1,081,100,000 |  |  | $ 1,029,900,000
Net Property, Plant and Equipment |  | 78,860,400,000 | 78,860,400,000 |  |  | 76,693,400,000
Assets Held for Sale |  | 353,200,000 | 353,200,000 |  |  | 0
Accounts Payable, Current |  | 2,331,500,000 | 2,331,500,000 |  |  | 2,032,500,000
Deferred Income Tax Liabilities, Net |  | 9,786,400,000 | 9,786,400,000 |  |  | 9,415,700,000
Asset Retirement Obligation | [1],[2],[3],[4],[5],[6] | 3,713,300,000 | 3,713,300,000 |  |  | 3,031,200,000
Liabilities Held for Sale |  | 12,500,000 | 12,500,000 |  |  | 0
Proceeds from Sale of Equity Method Investments |  |  | 114,000,000.0 | $ 0 |  |
Generation & Marketing | New Mexico Renewable Development |  |  |  |  |  |
Proceeds from Sale of Equity Method Investments |  |  | 107,000,000 |  |  |
Generation & Marketing | AEP OnSite Partners |  |  |  |  |  |
AEP OnSite Partners NBV |  | 341,000,000 | 341,000,000 |  |  |
gain (loss) on Disposition of Business net of Tax |  | (10,400,000) |  |  |  |
Net Property, Plant and Equipment |  | 309,200,000 | 309,200,000 |  |  |
Disposal Group, Including Discontinued Operation, Other Assets |  | 54,400,000 | 54,400,000 |  |  |
Disposal Group, Including Discontinued Operation, Assets |  | 363,600,000 | 363,600,000 |  |  |
Assets Held for Sale |  | 353,200,000 | 353,200,000 |  |  |
Disposal Group, Including Discontinued Operation, Other Liabilities, Current |  | 12,500,000 | 12,500,000 |  |  |
Liabilities Held for Sale |  | 12,500,000 | 12,500,000 |  |  |
Deferred Tax Assets, Gross |  | $ 2,800,000 | 2,800,000 |  |  |
Proceeds from Divestiture of Businesses |  |  | $ 315,000,000 |  |  |
Generation & Marketing | AEP OnSite Partners | Installed |  |  |  |  |  |
Solar Generating (MWs) | MW |  | 103 | 103 |  |  |
Generation & Marketing | AEP OnSite Partners | Under Construction |  |  |  |  |  |
Solar Generating (MWs) | MW |  | 8 | 8 |  |  |
Generation & Marketing | Competitive Contracted Renewables |  |  |  |  |  |
Proceeds from Sale of Productive Assets |  |  |  |  | $ 1,200,000,000 |
Gain (Loss) on Disposition of Business |  |  |  | 112,000,000 |  |
gain (loss) on Disposition of Business net of Tax |  |  |  | 88,000,000 |  |
Public Service Co Of Oklahoma [Member] |  |  |  |  |  |
Customers |  | $ 79,500,000 | $ 79,500,000 |  |  | 107,600,000
Net Property, Plant and Equipment |  | 6,294,300,000 | 6,294,300,000 |  |  | 6,112,300,000
Accounts Payable, Current |  | 211,100,000 | 211,100,000 |  |  | 159,300,000
Deferred Income Tax Liabilities, Net |  | 908,700,000 | 908,700,000 |  |  | 831,200,000
Asset Retirement Obligation | [1],[3],[4] | 119,700,000 | 119,700,000 |  |  | 84,200,000
Public Service Co Of Oklahoma [Member] | Vertically Integrated Utilities [Member] | Rock Falls Wind Facility |  |  |  |  |  |
Payments to Acquire Property, Plant, and Equipment |  |  |  | $ 146,000,000 |  |
Southwestern Electric Power Co [Member] |  |  |  |  |  |
Customers |  | 42,700,000 | 42,700,000 |  |  | 39,000,000.0
Net Property, Plant and Equipment |  | 8,797,900,000 | 8,797,900,000 |  |  | 8,558,400,000
Accounts Payable, Current |  | 234,400,000 | 234,400,000 |  |  | 198,900,000
Deferred Income Tax Liabilities, Net |  | 1,235,200,000 | 1,235,200,000 |  |  | 1,179,300,000
Asset Retirement Obligation | [1],[2],[3],[4] | 272,300,000 | 272,300,000 |  |  | 281,600,000
AEP Transmission Co [Member] |  |  |  |  |  |
Customers |  | 88,500,000 | 88,500,000 |  |  | 82,200,000
Net Property, Plant and Equipment |  | 15,086,000,000 | 15,086,000,000 |  |  | 14,497,700,000
Accounts Payable, Current |  | 326,200,000 | 326,200,000 |  |  | 274,700,000
Deferred Income Tax Liabilities, Net |  | $ 1,204,800,000 | $ 1,204,800,000 |  |  | $ 1,147,700,000
[1] | Includes ARO related to wind farms.
[2] | Includes ARO related to Sabine and DHLC.
[3] | Includes ARO related to ash disposal facilities.
[4] | Includes ARO related to asbestos removal.
[5] | Includes ARO related to nuclear decommissioning costs for the Cook Plant of $2.1 billion and $2.1 billion as of June 30, 2024 and December 31, 2023, respectively.
[6] | Includes ARO related to solar farms.

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