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RELATED PARTY TRANSACTIONS (Tables) | 12 Months Ended
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Dec. 31, 2024
Related Party Transactions [Abstract] |
Schedule of Related Party Transactions | Charitable contributions were recorded in Other Operation expenses on the statements of income as follows for the year ended December 31, 2022:
|  | AEP |  | AEP Texas |  | AEPTCo |  | APCo |  | I&M |  | OPCo |  | PSO |  | SWEPCo
|  | (in millions)
Contributions to AEP Foundation |  | $ | 75.0 |  |  | $ | 9.9 |  |  | $ | 11.1 |  |  | $ | 12.5 |  |  | $ | 11.0 |  |  | $ | 8.1 |  |  | $ | 5.8 |  |  | $ | 8.8 |
The affiliated companies recorded these costs paid to I&M as fuel expenses or other operation expenses. The amounts of affiliated expenses were:
|  | Years Ended December 31,
Company |  | 2024 |  | 2023 |  | 2022
|  | (in millions)
AEGCo |  | $ | 10.0 |  |  | $ | 9.3 |  |  | $ | 11.3 |
APCo |  | 47.0 |  |  | 39.2 |  |  | 36.1 |
KPCo |  | — |  |  | — |  |  | 2.0 |
WPCo |  | 7.5 |  |  | 10.6 |  |  | 4.7 |
The following table shows the amounts of purchased electricity by I&M, PSO and SWEPCo:
|  |  |  | Years Ended December 31,
Company |  |  |  | 2023 |  | 2022
|  |  |  | (in millions)
I&M |  |  |  | $ | 8.0 |  |  | $ | 11.8 |
OPCo |  |  |  | 16.1 |  |  | 23.6 |
SWEPCo |  |  |  | — |  |  | 13.7 |
The following table shows the net transmission service charges recorded by the Registrant Subsidiaries:
|  | Years Ended December 31,
Company |  | 2024 |  | 2023 |  | 2022
|  | (in millions)
AEP Texas |  | $ | 30.6 |  |  | $ | 28.7 |  |  | $ | 28.5 |
APCo |  | 380.7 |  |  | 365.1 |  |  | 345.1 |
I&M |  | 252.7 |  |  | 226.2 |  |  | 220.8 |
OPCo |  | 696.1 |  |  | 665.3 |  |  | 608.2 |
PSO |  | 127.1 |  |  | 100.1 |  |  | 110.8 |
SWEPCo |  | 64.5 |  |  | 49.2 |  |  | 62.1 |
Affiliated Revenues | The tables below represent revenues from affiliates, net of respective provisions for refund, by type of revenue for the Registrant Subsidiaries. Related party revenues are shown in Sales to AEP Affiliates, Provision for Refund - Affiliated and Other Revenues - Affiliated, respectively, on the Registrant Subsidiaries’ statements of income.
Related Party Revenues |  | AEP Texas |  | AEPTCo |  | APCo |  | I&M |  | OPCo |  | PSO |  | SWEPCo
|  | (in millions)
Year Ended December 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Direct Sales to East Affiliates |  | $ | — |  |  | $ | — |  |  | $ | 159.0 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Transmission Revenues |  | — |  |  | 1,491.1 |  |  | 78.8 |  |  | (8.8) |  |  | (6.9) |  |  | 0.1 |  |  | 60.6 |
Other Revenues |  | 5.4 |  |  | 21.2 |  |  | 9.6 |  |  | 75.0 |  |  | 29.6 |  |  | 6.8 |  |  | 1.5 |
Total Affiliated Revenues |  | $ | 5.4 |  |  | $ | 1,512.3 |  |  | $ | 247.4 |  |  | $ | 66.2 |  |  | $ | 22.7 |  |  | $ | 6.9 |  |  | $ | 62.1 |
Related Party Revenues |  | AEP Texas |  | AEPTCo |  | APCo |  | I&M |  | OPCo |  | PSO |  | SWEPCo
|  | (in millions)
Year Ended December 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Direct Sales to East Affiliates |  | $ | — |  |  | $ | — |  |  | $ | 158.7 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Transmission Revenues |  | — |  |  | 1,304.0 |  |  | 70.9 |  |  | (11.1) |  |  | 3.2 |  |  | — |  |  | 45.3 |
Barging, Urea Transloading and Other Transportation Services |  | — |  |  | — |  |  | — |  |  | 59.0 |  |  | — |  |  | — |  |  | — |
Other Revenues |  | 4.9 |  |  | 13.8 |  |  | 9.7 |  |  | 9.9 |  |  | 27.9 |  |  | 1.2 |  |  | 1.5 |
Total Affiliated Revenues |  | $ | 4.9 |  |  | $ | 1,317.8 |  |  | $ | 239.3 |  |  | $ | 57.8 |  |  | $ | 31.1 |  |  | $ | 1.2 |  |  | $ | 46.8 |
Related Party Revenues |  | AEP Texas |  | AEPTCo |  | APCo |  | I&M |  | OPCo |  | PSO |  | SWEPCo
|  | (in millions)
Year Ended December 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Direct Sales to East Affiliates |  | $ | — |  |  | $ | — |  |  | $ | 169.7 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Direct Sales to West Affiliates |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 1.3 |
Transmission Revenues |  | — |  |  | 1,276.4 |  |  | 77.5 |  |  | 7.7 |  |  | (3.6) |  |  | — |  |  | 51.5 |
Barging, Urea Transloading and Other Transportation Services |  | — |  |  | — |  |  | — |  |  | 54.1 |  |  | — |  |  | — |  |  | — |
Other Revenues |  | 3.5 |  |  | 7.4 |  |  | 8.9 |  |  | 7.8 |  |  | 22.4 |  |  | 2.9 |  |  | 1.1 |
Total Affiliated Revenues |  | $ | 3.5 |  |  | $ | 1,283.8 |  |  | $ | 256.1 |  |  | $ | 69.6 |  |  | $ | 18.8 |  |  | $ | 2.9 |  |  | $ | 53.9 |

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- Definition Tabular disclosure of affiliated revenues. + References No definition available. + Details
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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
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