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v3.23.3

Variable Interest Entities (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | --- | --- | --- | --- | --- | --- | ---
ASSETS |  |  |  |  |  |  |  |  |  |
Current Assets | $ 6,736.6 |  |  |  | $ 6,775.5 |  |  |  |  |
Net Property, Plant and Equipment | 75,821.1 |  |  |  | 73,339.1 |  |  |  |  |
Other Noncurrent Assets | 12,567.9 |  |  |  | 13,288.7 |  |  |  |  |
Total Assets | 95,125.6 |  |  |  | 93,403.3 |  |  |  |  |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |  |  |
Current Liabilities | 11,278.1 |  |  |  | 13,266.3 |  |  |  |  |
Noncurrent Liabilities | 58,422.8 |  |  |  | 55,968.7 |  |  |  |  |
Equity | 25,349.6 |  | $ 24,123.6 | $ 23,967.8 | 24,122.4 |  | $ 24,512.3 | $ 24,297.0 | $ 24,038.1 | $ 22,680.2
Total Liabilities and Equity | 95,125.6 |  |  |  | 93,403.3 |  |  |  |  |
Southwestern Electric Power Co [Member] |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Current Assets | 592.5 |  |  |  | 812.2 |  |  |  |  |
Net Property, Plant and Equipment | 8,562.5 |  |  |  | 8,262.2 |  |  |  |  |
Other Noncurrent Assets | 1,406.1 |  |  |  | 1,304.4 |  |  |  |  |
Total Assets | 10,561.1 |  |  |  | 10,378.8 |  |  |  |  |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |  |  |
Current Liabilities | 699.9 |  |  |  | 947.7 |  |  |  |  |
Noncurrent Liabilities | 5,982.4 |  |  |  | 5,756.3 |  |  |  |  |
Equity | 3,878.8 |  | 3,795.5 | 3,765.2 | 3,674.8 |  | 3,705.1 | 3,611.1 | 3,543.8 | 3,149.8
Total Liabilities and Equity | 10,561.1 |  |  |  | 10,378.8 |  |  |  |  |
Indiana Michigan Power Co [Member] |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Current Assets | 499.0 |  |  |  | 571.8 |  |  |  |  |
Net Property, Plant and Equipment | 7,535.7 |  |  |  | 7,411.5 |  |  |  |  |
Other Noncurrent Assets | 4,231.8 |  |  |  | 4,135.6 |  |  |  |  |
Total Assets | 12,266.5 |  |  |  | 12,118.9 |  |  |  |  |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |  |  |
Current Liabilities | 624.0 |  |  |  | 1,197.1 |  |  |  |  |
Noncurrent Liabilities | 8,502.3 |  |  |  | 7,913.5 |  |  |  |  |
Equity | 3,140.2 |  | 3,120.7 | 3,077.3 | 3,008.3 |  | 2,968.3 | 2,893.3 | 2,849.5 | 2,784.7
Total Liabilities and Equity | 12,266.5 |  |  |  | 12,118.9 |  |  |  |  |
AEP Texas Inc. [Member] |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Current Assets | 624.8 |  |  |  | 446.9 |  |  |  |  |
Net Property, Plant and Equipment | 12,590.8 |  |  |  | 11,681.6 |  |  |  |  |
Other Noncurrent Assets | 742.1 |  |  |  | 763.7 |  |  |  |  |
Total Assets | 13,957.7 |  |  |  | 12,892.2 |  |  |  |  |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |  |  |
Current Liabilities | 780.8 |  |  |  | 1,043.8 |  |  |  |  |
Noncurrent Liabilities | 8,466.4 |  |  |  | 7,944.1 |  |  |  |  |
Equity | 4,710.5 |  | 4,334.6 | 4,051.3 | 3,904.3 |  | 3,850.0 | 3,755.6 | 3,664.1 | 3,594.2
Total Liabilities and Equity | 13,957.7 |  |  |  | 12,892.2 |  |  |  |  |
Appalachian Power Co [Member] |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Current Assets | 1,231.8 |  |  |  | 1,259.6 |  |  |  |  |
Net Property, Plant and Equipment | 12,825.1 |  |  |  | 12,379.2 |  |  |  |  |
Other Noncurrent Assets | 1,452.8 |  |  |  | 1,583.4 |  |  |  |  |
Total Assets | 15,509.7 |  |  |  | 15,222.2 |  |  |  |  |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |  |  |
Current Liabilities | 1,544.3 |  |  |  | 1,390.2 |  |  |  |  |
Noncurrent Liabilities | 8,739.1 |  |  |  | 8,856.6 |  |  |  |  |
Equity | 5,226.3 |  | $ 5,133.1 | $ 5,086.9 | 4,975.4 |  | $ 4,914.0 | $ 4,821.1 | $ 4,748.0 | $ 4,647.9
Total Liabilities and Equity | 15,509.7 |  |  |  | 15,222.2 |  |  |  |  |
Sabine Mining Co [Member] | Variable Interest Entities [Member] | Southwestern Electric Power Co [Member] |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Current Assets | 4.8 |  |  |  | 108.3 |  |  |  |  |
Net Property, Plant and Equipment | 0.0 |  |  |  | 7.2 |  |  |  |  |
Other Noncurrent Assets | 128.1 |  |  |  | 130.0 |  |  |  |  |
Total Assets | 132.9 |  |  |  | 245.5 |  |  |  |  |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |  |  |
Current Liabilities | 21.0 |  |  |  | 25.4 |  |  |  |  |
Noncurrent Liabilities | 110.6 |  |  |  | 219.4 |  |  |  |  |
Equity | 1.3 |  |  |  | 0.7 |  |  |  |  |
Total Liabilities and Equity | 132.9 |  |  |  | 245.5 |  |  |  |  |
DCC Fuel [Member] | Variable Interest Entities [Member] | Indiana Michigan Power Co [Member] |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Current Assets | 59.9 |  |  |  | 90.2 |  |  |  |  |
Net Property, Plant and Equipment | 104.1 |  |  |  | 179.1 |  |  |  |  |
Other Noncurrent Assets | 51.8 |  |  |  | 94.0 |  |  |  |  |
Total Assets | 215.8 |  |  |  | 363.3 |  |  |  |  |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |  |  |
Current Liabilities | 59.8 |  |  |  | 90.0 |  |  |  |  |
Noncurrent Liabilities | 156.0 |  |  |  | 273.3 |  |  |  |  |
Equity | 0.0 |  |  |  | 0.0 |  |  |  |  |
Total Liabilities and Equity | 215.8 |  |  |  | 363.3 |  |  |  |  |
AEP Texas Central Transition Funding Co [Member] | AEP Texas Inc. [Member] | Other Noncurrent Assets [Member] |  |  |  |  |  |  |  |  |  |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |  |  |
Unearned Revenue | 10.0 |  |  |  | 16.0 |  |  |  |  |
AEP Texas Central Transition Funding Co [Member] | Variable Interest Entities [Member] | AEP Texas Inc. [Member] |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Current Assets | 49.4 |  |  |  | 27.0 |  |  |  |  |
Net Property, Plant and Equipment | 0.0 |  |  |  | 0.0 |  |  |  |  |
Other Noncurrent Assets | 90.5 | [1] |  |  | 140.9 | [2] |  |  |  |
Total Assets | 139.9 |  |  |  | 167.9 |  |  |  |  |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |  |  |
Current Liabilities | 75.3 |  |  |  | 73.2 |  |  |  |  |
Noncurrent Liabilities | 60.3 |  |  |  | 90.4 |  |  |  |  |
Equity | 4.3 |  |  |  | 4.3 |  |  |  |  |
Total Liabilities and Equity | 139.9 |  |  |  | 167.9 |  |  |  |  |
Restoration Funding [Member] | AEP Texas Inc. [Member] | Other Noncurrent Assets [Member] |  |  |  |  |  |  |  |  |  |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |  |  |
Unearned Revenue | 6.0 |  |  |  | 7.0 |  |  |  |  |
Restoration Funding [Member] | Variable Interest Entities [Member] | AEP Texas Inc. [Member] |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Current Assets | 20.9 |  |  |  | 21.1 |  |  |  |  |
Net Property, Plant and Equipment | 0.0 |  |  |  | 0.0 |  |  |  |  |
Other Noncurrent Assets | 151.4 | [3] |  |  | 168.8 | [4] |  |  |  |
Total Assets | 172.3 |  |  |  | 189.9 |  |  |  |  |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |  |  |
Current Liabilities | 36.0 |  |  |  | 31.3 |  |  |  |  |
Noncurrent Liabilities | 135.1 |  |  |  | 157.4 |  |  |  |  |
Equity | 1.2 |  |  |  | 1.2 |  |  |  |  |
Total Liabilities and Equity | 172.3 |  |  |  | 189.9 |  |  |  |  |
Appalachian Consumer Rate Relief Funding [Member] | Appalachian Power Co [Member] | Other Noncurrent Assets [Member] |  |  |  |  |  |  |  |  |  |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |  |  |
Unearned Revenue | 2.0 |  |  |  | 2.0 |  |  |  |  |
Appalachian Consumer Rate Relief Funding [Member] | Variable Interest Entities [Member] | Appalachian Power Co [Member] |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Current Assets | 4.7 |  |  |  | 13.5 |  |  |  |  |
Net Property, Plant and Equipment | 0.0 |  |  |  | 0.0 |  |  |  |  |
Other Noncurrent Assets | 145.3 | [5] |  |  | 164.6 | [6] |  |  |  |
Total Assets | 150.0 |  |  |  | 178.1 |  |  |  |  |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |  |  |
Current Liabilities | 28.5 |  |  |  | 29.3 |  |  |  |  |
Noncurrent Liabilities | 119.6 |  |  |  | 146.9 |  |  |  |  |
Equity | 1.9 |  |  |  | 1.9 |  |  |  |  |
Total Liabilities and Equity | 150.0 |  |  |  | 178.1 |  |  |  |  |
AEP Credit, Inc. [Member] | Variable Interest Entities [Member] |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Current Assets | 1,259.0 |  |  |  | 1,181.0 |  |  |  |  |
Net Property, Plant and Equipment | 0.0 |  |  |  | 0.0 |  |  |  |  |
Other Noncurrent Assets | 9.6 |  |  |  | 9.0 |  |  |  |  |
Total Assets | 1,268.6 |  |  |  | 1,190.0 |  |  |  |  |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |  |  |
Current Liabilities | 1,201.3 |  |  |  | 1,087.8 |  |  |  |  |
Noncurrent Liabilities | 0.9 |  |  |  | 0.9 |  |  |  |  |
Equity | 66.4 |  |  |  | 101.3 |  |  |  |  |
Total Liabilities and Equity | 1,268.6 |  |  |  | 1,190.0 |  |  |  |  |
Protected Cell Of Energy Insurance Services, Inc. [Member] | Variable Interest Entities [Member] |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Current Assets | 202.9 |  |  |  | 194.5 |  |  |  |  |
Net Property, Plant and Equipment | 0.0 |  |  |  | 0.0 |  |  |  |  |
Other Noncurrent Assets | 0.7 |  |  |  | 0.3 |  |  |  |  |
Total Assets | 203.6 |  |  |  | 194.8 |  |  |  |  |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |  |  |
Current Liabilities | 54.1 |  |  |  | 46.4 |  |  |  |  |
Noncurrent Liabilities | 84.7 |  |  |  | 79.1 |  |  |  |  |
Equity | 64.8 |  |  |  | 69.3 |  |  |  |  |
Total Liabilities and Equity | 203.6 |  |  |  | 194.8 |  |  |  |  |
Transource Energy [Member] | Variable Interest Entities [Member] |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Current Assets | 32.8 |  |  |  | 23.5 |  |  |  |  |
Net Property, Plant and Equipment | 499.8 |  |  |  | 482.3 |  |  |  |  |
Other Noncurrent Assets | 4.0 |  |  |  | 2.7 |  |  |  |  |
Total Assets | 536.6 |  |  |  | 508.5 |  |  |  |  |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |  |  |
Current Liabilities | 21.3 |  |  |  | 22.8 |  |  |  |  |
Noncurrent Liabilities | 229.4 |  |  |  | 218.6 |  |  |  |  |
Equity | 285.9 |  |  |  | 267.1 |  |  |  |  |
Total Liabilities and Equity | $ 536.6 |  |  |  | 508.5 |  |  |  |  |
Apple Blossom and Black Oak [Member] | Variable Interest Entities [Member] |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Current Assets |  |  |  |  | 8.3 |  |  |  |  |
Net Property, Plant and Equipment |  |  |  |  | 216.5 |  |  |  |  |
Other Noncurrent Assets |  |  |  |  | 13.6 |  |  |  |  |
Total Assets |  |  |  |  | 238.4 |  |  |  |  |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |  |  |
Current Liabilities |  |  |  |  | 4.5 |  |  |  |  |
Noncurrent Liabilities |  |  |  |  | 5.4 |  |  |  |  |
Equity |  |  |  |  | 228.5 |  |  |  |  |
Total Liabilities and Equity |  |  |  |  | 238.4 |  |  |  |  |
Santa Rita East [Member] | Variable Interest Entities [Member] |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Current Assets |  |  |  |  | 21.3 |  |  |  |  |
Net Property, Plant and Equipment |  |  |  |  | 421.6 |  |  |  |  |
Other Noncurrent Assets |  |  |  |  | 0.1 |  |  |  |  |
Total Assets |  |  |  |  | 443.0 |  |  |  |  |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |  |  |
Current Liabilities |  |  |  |  | 9.6 |  |  |  |  |
Noncurrent Liabilities |  |  |  |  | 7.3 |  |  |  |  |
Equity |  |  |  |  | 426.1 |  |  |  |  |
Total Liabilities and Equity |  |  |  |  | 443.0 |  |  |  |  |
Dry Lake Solar Project [Member] | Variable Interest Entities [Member] |  |  |  |  |  |  |  |  |  |
ASSETS |  |  |  |  |  |  |  |  |  |
Current Assets |  |  |  |  | 4.0 |  |  |  |  |
Net Property, Plant and Equipment |  |  |  |  | 142.6 |  |  |  |  |
Other Noncurrent Assets |  |  |  |  | 0.3 |  |  |  |  |
Total Assets |  |  |  |  | 146.9 |  |  |  |  |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |  |  |
Current Liabilities |  |  |  |  | 1.0 |  |  |  |  |
Noncurrent Liabilities |  |  |  |  | 0.7 |  |  |  |  |
Equity |  |  |  |  | 145.2 |  |  |  |  |
Total Liabilities and Equity |  |  |  |  | $ 146.9 |  |  |  |  |
[1] | Includes an intercompany item eliminated in consolidation of $10 million.
[2] | Includes an intercompany item eliminated in consolidation of $16 million.
[3] | Includes an intercompany item eliminated in consolidation of $6 million.
[4] | Includes an intercompany item eliminated in consolidation of $7 million.
[5] | Includes an intercompany item eliminated in consolidation of $2 million.
[6] | Includes an intercompany item eliminated in consolidation of $2 million

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