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Related Party Transactions (Tables) | 12 Months Ended
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Dec. 31, 2023
Charitable Contribution to AEP Foundation |
|  | 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 |
Barging, Urea Transloading and Other Services |
|  | Years Ended December 31,
Company |  | 2023 |  | 2022 |  | 2021
|  | (in millions)
AEGCo |  | $ | 9.3 |  |  | $ | 11.3 |  |  | $ | 7.6 |
APCo |  | 39.2 |  |  | 36.1 |  |  | 40.1 |
KPCo |  | — |  |  | 2.0 |  |  | 3.1 |
WPCo |  | 10.6 |  |  | 4.7 |  |  | 3.2 |
AEP Wind Holdings PPAs |
|  | Years Ended December 31,
Company |  | 2023 |  | 2022 |  | 2021
|  | (in millions)
I&M |  | $ | 8.0 |  |  | $ | 11.8 |  |  | $ | 9.9 |
OPCo |  | 16.1 |  |  | 23.6 |  |  | 19.6 |
SWEPCo |  | — |  |  | 13.7 |  |  | 14.5 |
Transmission Service Charges |
|  | Years Ended December 31,
Company |  | 2023 |  | 2022 |  | 2021
|  | (in millions)
AEP Texas |  | $ | 28.7 |  |  | $ | 28.5 |  |  | $ | 28.0 |
APCo |  | 365.1 |  |  | 345.1 |  |  | 302.0 |
I&M |  | 226.2 |  |  | 220.8 |  |  | 186.7 |
OPCo |  | 665.3 |  |  | 608.2 |  |  | 508.9 |
PSO |  | 100.1 |  |  | 110.8 |  |  | 94.7 |
SWEPCo |  | 49.2 |  |  | 62.1 |  |  | 56.2 |
Affiliated Revenues |
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 |
Related Party Revenues |  | AEP Texas |  | AEPTCo |  | APCo |  | I&M |  | OPCo |  | PSO |  | SWEPCo
|  | (in millions)
Year Ended December 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Direct Sales to East Affiliates |  | $ | — |  |  | $ | — |  |  | $ | 128.6 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Transmission Revenues |  | — |  |  | 1,136.1 |  |  | 60.3 |  |  | (2.5) |  |  | (1.1) |  |  | — |  |  | 39.6 |
Barging, Urea Transloading and Other Transportation Services |  | — |  |  | — |  |  | — |  |  | 54.0 |  |  | — |  |  | — |  |  | — |
Other Revenues |  | 3.9 |  |  | 17.8 |  |  | 9.0 |  |  | 6.3 |  |  | 25.9 |  |  | 4.2 |  |  | 1.4 |
Total Affiliated Revenues |  | $ | 3.9 |  |  | $ | 1,153.9 |  |  | $ | 197.9 |  |  | $ | 57.8 |  |  | $ | 24.8 |  |  | $ | 4.2 |  |  | $ | 41.0 |

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- Definition AEP Wind Holdings PPAs + References No definition available. + Details
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- Definition Tabular disclosure of affiliated revenues. + References No definition available. + Details
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- Definition Tabular disclosure of I&M barging, urea transloading and other services. + References No definition available. + Details
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- Definition Charitable Contribution to AEP Foundation + References No definition available. + Details
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- Definition Tabular disclosure of Transmission Service Charges. + References No definition available. + Details
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