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Consolidated Balance Sheets - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Current Assets    
Cash and Cash Equivalents $ 509.4 $ 403.4
Restricted Cash 47.1 48.0
Other Temporary Investments 187.5 220.4
Accounts Receivable:    
Customers 1,081.5 720.9
Accrued Unbilled Revenues 287.9 204.4
Pledged Accounts Receivable - AEP Credit 1,207.4 1,038.0
Miscellaneous 49.6 33.9
Allowance for Uncollectible Accounts (56.1) (55.6)
Total Accounts Receivable 2,570.3 1,941.6
Fuel 413.2 307.9
Materials and Supplies 888.9 681.3
Risk Management Assets 340.4 194.4
Accrued Tax Benefits 99.4 121.5
Assets Held for Sale 2,823.5 2,919.7
Regulatory Asset for Under-Recovered Fuel Costs [1] 1,286.8 647.8
Margin Deposits 81.9 193.4
Prepayments and Other Current Assets 170.3 129.8
TOTAL CURRENT ASSETS 9,418.7 7,809.2
Property, Plant and Equipment    
Generation 24,597.7 23,088.1
Transmission 32,312.9 29,911.1
Distribution 26,077.2 24,440.0
Other Property, Plant and Equipment 6,142.1 5,682.9
Construction Work in Progress 4,664.1 3,684.3
Total Property, Plant and Equipment 93,794.0 86,806.4
Accumulated Depreciation and Amortization 22,511.1 20,805.1
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET [2] 71,282.9 66,001.3
Other Noncurrent Assets    
Regulatory Assets [3] 4,281.2 4,142.3
Securitized Assets 446.0 552.8
Spent Nuclear Fuel and Decommissioning Trusts 3,341.2 3,867.0
Goodwill 52.5 52.5
Derivative Asset, Noncurrent 284.1 267.0
Operating Lease Assets 645.0 578.3
Deferred Charges and Other Noncurrent Assets - Prepaid Benefit Costs 3,717.8 4,398.3
TOTAL OTHER NONCURRENT ASSETS 12,767.8 13,858.2
TOTAL ASSETS 93,469.4 87,668.7
Current Liabilities    
Accounts Payable 2,613.0 2,054.6
Short-term Debt:    
Securitized Debt for Receivables - AEP Credit [4] 750.0 750.0
Other Short-term Debt 3,362.2 1,864.0
Total Short-term Debt 4,112.2 2,614.0
Long-term Debt Due Within One Year 1,996.4 2,153.8
Risk Management Liabilities 145.2 75.4
Customer Deposits 370.0 321.6
Accrued Taxes 1,672.8 1,586.4
Accrued Interest 327.6 273.2
Obligations Under Operating Leases 113.4 97.6
Liabilities Held for Sale 1,955.7 1,880.9
Regulatory Liability for Over-Recovered Fuel Costs 1.4 1.5
Other Current Liabilities 1,261.1 1,369.2
TOTAL CURRENT LIABILITIES 14,567.4 12,426.7
Noncurrent Liabilities    
Long-term Debt 33,626.2 31,300.7
Deferred Income Tax Liabilities, Net [5] 8,493.3 8,202.5
Long-term Risk Management Liabilities 345.3 230.3
Regulatory Liabilities and Deferred Investment Tax Credits [6] 7,999.6 8,686.3
Asset Retirement Obligations 2,860.8 2,676.2
Employee Benefits and Pension Obligations 257.3 328.4
Obligations Under Operating Leases 552.1 492.8
Deferred Credits and Other Noncurrent Liabilities 599.1 601.3
TOTAL NONCURRENT LIABILITIES 54,733.7 52,518.5
TOTAL LIABILITIES 69,301.1 64,945.2
Rate Matters
Commitments and Contingencies
Contingently Redeemable Performance Share Awards 45.9 43.3
Total Mezzanine Equity 45.9 43.3
Equity    
Common Stock 3,413.1 3,408.7
Paid-in Capital 8,051.0 7,172.6
Retained Earnings 12,345.6 11,667.1
Accumulated Other Comprehensive Income (Loss) 83.7 184.8
TOTAL COMMON SHAREHOLDERS' EQUITY 23,893.4 22,433.2
Noncontrolling Interests 229.0 247.0
TOTAL EQUITY 24,122.4 22,680.2
TOTAL LIABILITIES AND EQUITY $ 93,469.4 $ 87,668.7
Common Stock, Par Value Per Share $ 6.50 $ 6.50
Common Stock, Shares, Issued 525,099,321 524,416,175
Common Stock, Shares Authorized 600,000,000 600,000,000
Treasury Stock, Shares 11,233,240 20,204,160
Subsidiaries [Member]    
Current Assets    
Restricted Cash $ 47.1 $ 48.0
Other Temporary Investments 182.9 214.8
Short-term Debt:    
Long-term Debt Due Within One Year 218.2 190.5
Noncurrent Liabilities    
Long-term Debt 755.3 840.5
AEP Texas Inc. [Member]    
Current Assets    
Cash and Cash Equivalents 0.1 0.1
Restricted Cash 32.7 30.4
Advances to Affiliates 6.9 6.9
Accounts Receivable:    
Customers 150.9 123.4
Affiliated Companies 11.9 7.9
Accrued Unbilled Revenues 91.4 77.9
Miscellaneous 0.2 0.0
Allowance for Uncollectible Accounts (4.2) (4.0)
Total Accounts Receivable 250.2 205.2
Materials and Supplies 138.8 73.9
Accrued Tax Benefits 12.2 24.8
Prepayments and Other Current Assets 6.0 5.9
TOTAL CURRENT ASSETS 446.9 347.2
Property, Plant and Equipment    
Transmission 6,301.5 5,849.9
Distribution 5,312.8 4,917.2
Other Property, Plant and Equipment 1,022.8 961.1
Construction Work in Progress 805.2 551.3
Total Property, Plant and Equipment 13,442.3 12,279.5
Accumulated Depreciation and Amortization 1,760.7 1,644.1
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET 11,681.6 10,635.4
Other Noncurrent Assets    
Regulatory Assets 298.3 275.2
Securitized Assets 286.4 367.6
Deferred Charges and Other Noncurrent Assets - Prepaid Benefit Costs 179.0 211.3
TOTAL OTHER NONCURRENT ASSETS 763.7 854.1
TOTAL ASSETS 12,892.2 11,836.7
Current Liabilities    
Advances from Affiliates 96.5 26.9
Accounts Payable 331.0 306.3
Affiliated Companies 34.7 32.5
Short-term Debt:    
Long-term Debt Due Within One Year 278.5 716.0
Accrued Taxes 95.5 93.3
Accrued Interest 48.3 44.7
Obligations Under Operating Leases 28.6 14.0
Other Current Liabilities 130.7 78.0
TOTAL CURRENT LIABILITIES 1,043.8 1,311.7
Noncurrent Liabilities    
Long-term Debt 5,379.3 4,464.8
Deferred Income Tax Liabilities, Net 1,144.2 1,088.9
Regulatory Liabilities and Deferred Investment Tax Credits 1,259.6 1,242.0
Obligations Under Operating Leases 67.8 61.3
Deferred Credits and Other Noncurrent Liabilities 93.2 73.8
TOTAL NONCURRENT LIABILITIES 7,944.1 6,930.8
TOTAL LIABILITIES 8,987.9 8,242.5
Rate Matters
Commitments and Contingencies
Equity    
Paid-in Capital 1,558.2 1,553.9
Retained Earnings 2,354.7 2,046.8
Accumulated Other Comprehensive Income (Loss) (8.6) (6.5)
TOTAL EQUITY 3,904.3 3,594.2
TOTAL LIABILITIES AND EQUITY 12,892.2 11,836.7
AEP Texas Inc. [Member] | AEP Texas Transition and Restoration Funding [Member]    
Current Assets    
Restricted Cash 32.7 30.4
Other Noncurrent Assets    
Securitized Assets 286.4 367.6
Short-term Debt:    
Long-term Debt Due Within One Year 93.5 91.0
Accrued Interest 2.2 2.3
Noncurrent Liabilities    
Long-term Debt 221.0 313.7
AEP Transmission Co [Member]    
Current Assets    
Cash and Cash Equivalents 0.0 0.0
Advances to Affiliates 0.0 27.2
Accounts Receivable:    
Customers 46.7 22.5
Affiliated Companies 117.9 96.1
Total Accounts Receivable 164.6 118.6
Materials and Supplies 10.7 9.3
Accrued Tax Benefits 4.2 5.6
Assets Held for Sale 178.0 167.9
Prepayments and Other Current Assets 3.0 2.7
TOTAL CURRENT ASSETS 360.5 331.3
Property, Plant and Equipment    
Transmission 12,183.2 10,886.3
Other Property, Plant and Equipment 451.9 427.4
Construction Work in Progress 1,547.1 1,394.8
Total Property, Plant and Equipment 14,182.2 12,708.5
Accumulated Depreciation and Amortization 1,012.1 772.8
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET [7] 13,170.1 11,935.7
Other Noncurrent Assets    
Regulatory Assets [8] 6.8 8.5
Deferred Property Taxes 266.6 245.7
Deferred Charges and Other Noncurrent Assets - Prepaid Benefit Costs 10.2 3.2
TOTAL OTHER NONCURRENT ASSETS 283.6 257.4
TOTAL ASSETS [9] 13,814.2 12,524.4
Current Liabilities    
Advances from Affiliates 229.3 124.0
Accounts Payable 427.0 460.1
Affiliated Companies 81.9 69.9
Short-term Debt:    
Long-term Debt Due Within One Year 60.0 104.0
Accrued Taxes 528.3 479.0
Accrued Interest 28.4 28.4
Obligations Under Operating Leases 1.3 0.9
Liabilities Held for Sale 28.6 27.6
Other Current Liabilities 8.4 3.0
TOTAL CURRENT LIABILITIES 1,393.2 1,296.9
Noncurrent Liabilities    
Long-term Debt 4,722.8 4,239.9
Deferred Income Tax Liabilities, Net [10] 1,040.4 962.9
Regulatory Liabilities and Deferred Investment Tax Credits [11] 715.0 644.1
Obligations Under Operating Leases 1.5 1.3
Deferred Credits and Other Noncurrent Liabilities 68.3 3.2
TOTAL NONCURRENT LIABILITIES 6,548.0 5,851.4
TOTAL LIABILITIES 7,941.2 7,148.3
Rate Matters
Commitments and Contingencies
Equity    
Members' Capital 3,022.3 2,949.6
Retained Earnings 2,850.7 2,426.5
TOTAL MEMBER'S EQUITY 5,873.0 5,376.1
TOTAL LIABILITIES AND EQUITY 13,814.2 12,524.4
Appalachian Power Co [Member]    
Current Assets    
Cash and Cash Equivalents 7.5 2.5
Restricted Cash 14.4 17.6
Advances to Affiliates 19.8 20.8
Accounts Receivable:    
Customers 168.9 158.5
Affiliated Companies 94.0 129.9
Accrued Unbilled Revenues 91.3 54.0
Miscellaneous 0.3 0.2
Allowance for Uncollectible Accounts (1.7) (1.6)
Total Accounts Receivable 352.8 341.0
Fuel 158.9 67.1
Materials and Supplies 130.6 109.8
Risk Management Assets 69.1 42.0
Regulatory Asset for Under-Recovered Fuel Costs 473.1 201.3
Margin Deposits 7.4 71.8
Prepayments and Other Current Assets 26.0 51.4
TOTAL CURRENT ASSETS 1,259.6 925.3
Property, Plant and Equipment    
Generation 6,776.8 6,683.9
Transmission 4,482.8 4,322.4
Distribution 4,933.0 4,683.3
Other Property, Plant and Equipment 883.3 696.6
Construction Work in Progress 705.3 469.9
Total Property, Plant and Equipment 17,781.2 16,856.1
Accumulated Depreciation and Amortization 5,402.0 5,051.8
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET 12,379.2 11,804.3
Other Noncurrent Assets    
Regulatory Assets 1,058.6 757.6
Securitized Assets 159.6 185.1
Employee Benefits and Pension Assets 152.9 220.5
Operating Lease Assets 73.6 66.9
Deferred Charges and Other Noncurrent Assets - Prepaid Benefit Costs 138.7 129.2
TOTAL OTHER NONCURRENT ASSETS 1,583.4 1,359.3
TOTAL ASSETS 15,222.2 14,088.9
Current Liabilities    
Advances from Affiliates 182.2 199.3
Accounts Payable 451.2 262.2
Affiliated Companies 142.7 118.6
Short-term Debt:    
Long-term Debt Due Within One Year 251.8 480.7
Customer Deposits 75.1 73.9
Accrued Taxes 101.0 119.7
Obligations Under Operating Leases 15.0 15.1
Other Current Liabilities 171.2 146.4
TOTAL CURRENT LIABILITIES 1,390.2 1,415.9
Noncurrent Liabilities    
Long-term Debt 5,158.7 4,458.2
Deferred Income Tax Liabilities, Net 1,992.2 1,804.7
Regulatory Liabilities and Deferred Investment Tax Credits 1,143.6 1,238.8
Asset Retirement Obligations 419.2 394.9
Employee Benefits and Pension Obligations 34.2 41.5
Obligations Under Operating Leases 59.1 52.4
Deferred Credits and Other Noncurrent Liabilities 49.6 34.6
TOTAL NONCURRENT LIABILITIES 8,856.6 8,025.1
TOTAL LIABILITIES 10,246.8 9,441.0
Rate Matters
Commitments and Contingencies
Equity    
Common Stock 260.4 260.4
Paid-in Capital 1,828.7 1,828.7
Retained Earnings 2,891.1 2,534.4
Accumulated Other Comprehensive Income (Loss) (4.8) 24.4
TOTAL EQUITY 4,975.4 4,647.9
TOTAL LIABILITIES AND EQUITY $ 15,222.2 $ 14,088.9
Common Stock, No Par Value $ 0 $ 0
Common Stock, Shares Authorized 30,000,000 30,000,000
Common Stock, Shares Outstanding 13,499,500 13,499,500
Indiana Michigan Power Co [Member]    
Current Assets    
Cash and Cash Equivalents $ 4.2 $ 1.3
Advances to Affiliates 23.0 21.5
Accounts Receivable:    
Customers 96.6 40.6
Affiliated Companies 104.0 78.2
Accrued Unbilled Revenues 0.6 0.0
Miscellaneous 4.7 2.5
Allowance for Uncollectible Accounts (0.1) (0.1)
Total Accounts Receivable 205.8 121.2
Fuel 46.5 56.8
Materials and Supplies 188.1 175.2
Risk Management Assets 15.2 3.3
Regulatory Asset for Under-Recovered Fuel Costs 47.1 6.4
Prepayments and Other Current Assets 41.9 53.7
TOTAL CURRENT ASSETS 571.8 439.4
Property, Plant and Equipment    
Generation 5,585.1 5,531.8
Transmission 1,842.2 1,783.1
Distribution 3,024.7 2,800.1
Other Property, Plant and Equipment 839.3 792.9
Construction Work in Progress 253.0 302.8
Total Property, Plant and Equipment 11,544.3 11,210.7
Accumulated Depreciation and Amortization 4,132.8 3,899.8
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET 7,411.5 7,310.9
Other Noncurrent Assets    
Regulatory Assets 459.6 410.9
Spent Nuclear Fuel and Decommissioning Trusts 3,341.2 3,867.0
Operating Lease Assets 64.3 63.5
Deferred Charges and Other Noncurrent Assets - Prepaid Benefit Costs 270.5 316.5
TOTAL OTHER NONCURRENT ASSETS 4,135.6 4,657.9
TOTAL ASSETS 12,118.9 12,408.2
Current Liabilities    
Advances from Affiliates 249.9 93.3
Accounts Payable 173.4 174.4
Affiliated Companies 121.5 94.9
Short-term Debt:    
Long-term Debt Due Within One Year 341.8 67.0
Risk Management Liabilities 0.0 5.0
Customer Deposits 48.6 45.2
Accrued Taxes 103.2 106.5
Accrued Interest 36.9 37.0
Obligations Under Finance Leases 6.9 130.5
Obligations Under Operating Leases 16.0 15.5
Regulatory Liability for Over-Recovered Fuel Costs 0.0 1.5
Other Current Liabilities 98.9 123.2
TOTAL CURRENT LIABILITIES 1,197.1 894.0
Noncurrent Liabilities    
Long-term Debt 2,919.0 3,128.0
Deferred Income Tax Liabilities, Net 1,157.0 1,100.2
Regulatory Liabilities and Deferred Investment Tax Credits 1,702.2 2,447.9
Asset Retirement Obligations 2,027.6 1,946.2
Obligations Under Operating Leases 48.9 48.9
Deferred Credits and Other Noncurrent Liabilities 58.8 58.3
TOTAL NONCURRENT LIABILITIES 7,913.5 8,729.5
TOTAL LIABILITIES 9,110.6 9,623.5
Rate Matters
Commitments and Contingencies
Equity    
Common Stock 56.6 56.6
Paid-in Capital 988.8 980.9
Retained Earnings 1,963.2 1,748.5
Accumulated Other Comprehensive Income (Loss) (0.3) (1.3)
TOTAL EQUITY 3,008.3 2,784.7
TOTAL LIABILITIES AND EQUITY $ 12,118.9 $ 12,408.2
Common Stock, No Par Value $ 0 $ 0
Common Stock, Shares Authorized 2,500,000 2,500,000
Common Stock, Shares Outstanding 1,400,000 1,400,000
Indiana Michigan Power Co [Member] | DCC Fuel [Member]    
Short-term Debt:    
Long-term Debt Due Within One Year $ 89.6 $ 65.0
Ohio Power Co [Member]    
Current Assets    
Cash and Cash Equivalents 9.6 3.0
Advances to Affiliates 0.0 42.0
Accounts Receivable:    
Customers 119.9 71.6
Affiliated Companies 100.9 71.8
Accrued Unbilled Revenues 17.8 1.3
Miscellaneous 0.1 5.9
Allowance for Uncollectible Accounts (0.1) (0.6)
Total Accounts Receivable 238.6 150.0
Materials and Supplies 109.5 74.1
Renewable Energy Credits 35.0 30.5
Regulatory Asset for Under-Recovered Fuel Costs 3.8 0.0
Prepayments and Other Current Assets 21.7 27.9
TOTAL CURRENT ASSETS 414.4 327.5
Property, Plant and Equipment    
Transmission 3,198.6 2,992.8
Distribution 6,450.3 6,070.6
Other Property, Plant and Equipment 1,051.4 992.9
Construction Work in Progress 474.3 365.0
Total Property, Plant and Equipment 11,174.6 10,421.3
Accumulated Depreciation and Amortization 2,565.3 2,458.3
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET 8,609.3 7,963.0
Other Noncurrent Assets    
Regulatory Assets 327.3 293.0
Operating Lease Assets 73.8 81.2
Deferred Charges and Other Noncurrent Assets - Prepaid Benefit Costs 578.3 601.1
TOTAL OTHER NONCURRENT ASSETS 979.4 975.3
TOTAL ASSETS 10,003.1 9,265.8
Current Liabilities    
Advances from Affiliates 172.9 0.0
Accounts Payable 337.3 213.5
Affiliated Companies 126.1 125.4
Short-term Debt:    
Long-term Debt Due Within One Year 0.1 0.1
Risk Management Liabilities 1.8 6.7
Customer Deposits 96.5 66.4
Accrued Taxes 733.1 702.4
Obligations Under Operating Leases 13.5 13.1
Other Current Liabilities 154.2 118.1
TOTAL CURRENT LIABILITIES 1,635.5 1,245.7
Noncurrent Liabilities    
Long-term Debt 2,970.2 2,968.4
Deferred Income Tax Liabilities, Net 1,101.1 1,000.9
Long-term Risk Management Liabilities 37.9 85.8
Regulatory Liabilities and Deferred Investment Tax Credits 1,044.0 1,020.9
Obligations Under Operating Leases 60.3 68.6
Deferred Credits and Other Noncurrent Liabilities 66.0 29.2
TOTAL NONCURRENT LIABILITIES 5,279.5 5,173.8
TOTAL LIABILITIES 6,915.0 6,419.5
Rate Matters
Commitments and Contingencies
Equity    
Common Stock 321.2 321.2
Paid-in Capital 837.8 838.8
Retained Earnings 1,929.1 1,686.3
TOTAL EQUITY 3,088.1 2,846.3
TOTAL LIABILITIES AND EQUITY $ 10,003.1 $ 9,265.8
Common Stock, No Par Value $ 0 $ 0
Common Stock, Shares Authorized 40,000,000 40,000,000
Common Stock, Shares Outstanding 27,952,473 27,952,473
Public Service Co Of Oklahoma [Member]    
Current Assets    
Cash and Cash Equivalents $ 4.0 $ 1.3
Accounts Receivable:    
Customers 70.1 41.5
Affiliated Companies 52.2 35.0
Miscellaneous 0.8 0.6
Total Accounts Receivable 123.1 77.1
Fuel 11.6 14.5
Materials and Supplies 111.1 56.2
Risk Management Assets 25.3 12.1
Accrued Tax Benefits 16.1 17.6
Regulatory Asset for Under-Recovered Fuel Costs 178.7 194.6
Prepayments and Other Current Assets 21.6 13.4
TOTAL CURRENT ASSETS 491.5 386.8
Property, Plant and Equipment    
Generation 2,394.8 1,802.4
Transmission 1,164.4 1,107.7
Distribution 3,216.4 3,004.9
Other Property, Plant and Equipment 469.3 437.0
Construction Work in Progress 219.3 156.0
Total Property, Plant and Equipment 7,464.2 6,508.0
Accumulated Depreciation and Amortization 1,837.7 1,705.2
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET 5,626.5 4,802.8
Other Noncurrent Assets    
Regulatory Assets 653.7 1,037.4
Employee Benefits and Pension Assets 67.3 95.2
Operating Lease Assets 106.1 68.9
Deferred Charges and Other Noncurrent Assets - Prepaid Benefit Costs 20.8 7.9
TOTAL OTHER NONCURRENT ASSETS 847.9 1,209.4
TOTAL ASSETS 6,965.9 6,399.0
Current Liabilities    
Advances from Affiliates 364.2 72.3
Accounts Payable 202.9 157.4
Affiliated Companies 76.7 51.0
Short-term Debt:    
Long-term Debt Due Within One Year 0.5 125.5
Customer Deposits 59.0 56.2
Accrued Taxes 28.7 27.0
Obligations Under Operating Leases 8.9 6.9
Other Current Liabilities 101.8 66.4
TOTAL CURRENT LIABILITIES 842.7 562.7
Noncurrent Liabilities    
Long-term Debt 1,912.3 1,788.0
Deferred Income Tax Liabilities, Net 788.6 782.3
Regulatory Liabilities and Deferred Investment Tax Credits 809.1 835.3
Asset Retirement Obligations 73.5 57.5
Obligations Under Operating Leases 99.3 62.2
Deferred Credits and Other Noncurrent Liabilities 21.3 19.4
TOTAL NONCURRENT LIABILITIES 3,704.1 3,544.7
TOTAL LIABILITIES 4,546.8 4,107.4
Rate Matters
Commitments and Contingencies
Equity    
Common Stock 157.2 157.2
Paid-in Capital 1,042.6 1,039.0
Retained Earnings 1,218.0 1,095.4
Accumulated Other Comprehensive Income (Loss) 1.3 0.0
TOTAL EQUITY 2,419.1 2,291.6
TOTAL LIABILITIES AND EQUITY $ 6,965.9 $ 6,399.0
Common Stock, Par Value Per Share $ 15 $ 15
Common Stock, Shares, Issued 10,482,000 10,482,000
Common Stock, Shares Authorized 11,000,000 11,000,000
Common Stock, Shares Outstanding 9,013,000 9,013,000
Southwestern Electric Power Co [Member]    
Current Assets    
Cash and Cash Equivalents $ 88.4 $ 51.2
Advances to Affiliates 2.1 155.9
Accounts Receivable:    
Customers 38.8 35.8
Affiliated Companies 65.4 38.3
Miscellaneous 10.4 12.3
Total Accounts Receivable 114.6 86.4
Fuel 81.3 82.2
Materials and Supplies 92.1 81.9
Risk Management Assets 16.4 9.8
Accrued Tax Benefits 16.5 17.8
Regulatory Asset for Under-Recovered Fuel Costs 353.0 143.9
Prepayments and Other Current Assets 47.8 39.4
TOTAL CURRENT ASSETS 812.2 668.5
Property, Plant and Equipment    
Generation 5,476.2 4,734.5
Transmission 2,479.8 2,316.9
Distribution 2,659.6 2,514.3
Other Property, Plant and Equipment 804.4 764.0
Construction Work in Progress 369.5 240.7
Total Property, Plant and Equipment 11,789.5 10,570.4
Accumulated Depreciation and Amortization 3,527.3 3,170.3
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET 8,262.2 7,400.1
Other Noncurrent Assets    
Regulatory Assets 1,042.4 1,005.3
Deferred Charges and Other Noncurrent Assets - Prepaid Benefit Costs 262.0 251.8
TOTAL OTHER NONCURRENT ASSETS 1,304.4 1,257.1
TOTAL ASSETS 10,378.8 9,325.7
Current Liabilities    
Advances from Affiliates 310.7 0.0
Accounts Payable 213.1 163.6
Affiliated Companies 81.7 61.4
Short-term Debt:    
Long-term Debt Due Within One Year 6.2 6.2
Risk Management Liabilities 1.4 2.1
Customer Deposits 65.4 62.4
Accrued Taxes 52.8 44.3
Accrued Interest 36.0 36.0
Obligations Under Operating Leases 8.4 8.1
Regulatory Liability for Over-Recovered Fuel Costs 1.4 0.0
Other Current Liabilities 172.0 154.6
TOTAL CURRENT LIABILITIES 947.7 538.7
Noncurrent Liabilities    
Long-term Debt 3,385.4 3,389.0
Deferred Income Tax Liabilities, Net 1,089.7 1,087.6
Regulatory Liabilities and Deferred Investment Tax Credits 825.7 806.9
Asset Retirement Obligations 237.2 192.7
Employee Benefits and Pension Obligations 29.7 20.3
Obligations Under Operating Leases 120.2 77.7
Deferred Credits and Other Noncurrent Liabilities 68.4 63.0
TOTAL NONCURRENT LIABILITIES 5,756.3 5,637.2
TOTAL LIABILITIES 6,704.0 6,175.9
Rate Matters
Commitments and Contingencies
Equity    
Common Stock 0.1 0.1
Paid-in Capital 1,442.2 1,092.2
Retained Earnings 2,236.0 2,050.9
Accumulated Other Comprehensive Income (Loss) (4.2) 6.7
TOTAL COMMON SHAREHOLDERS' EQUITY 3,674.1 3,149.9
Noncontrolling Interests 0.7 (0.1)
TOTAL EQUITY 3,674.8 3,149.8
TOTAL LIABILITIES AND EQUITY $ 10,378.8 $ 9,325.7
Common Stock, Par Value Per Share $ 18 $ 18
Common Stock, Shares Authorized 3,680 3,680
Common Stock, Shares Outstanding 3,680 3,680
Southwestern Electric Power Co [Member] | Sabine Mining Co [Member]    
Current Assets    
Cash and Cash Equivalents $ 84.2 $ 49.9
Accounts Receivable:    
Fuel 14.2 13.1
Materials and Supplies 4.2 12.0
Property, Plant and Equipment    
Other Property, Plant and Equipment 219.8 219.9
Accumulated Depreciation and Amortization $ 212.5 $ 168.1
[1] Amounts exclude $23 million and $8 million as of December 31, 2022 and 2021, respectively, of Regulatory Asset for Under-Recovered Fuel Costs assets classified as Assets Held for Sale on the balance sheet. See “Disposition of KPCo and KTCo” section of Note 7 for additional information.
[2] Amount excludes $2.4 billion and $2.3 billion as of December 31, 2022 and 2021, respectively, of Property, Plant and Equipment - Net classified as Assets Held for Sale on the balance sheet. See “Disposition of KPCo and KTCo” section of Note 7 for additional information.
[3] Amounts exclude $481 million and $477 million as of December 31, 2022 and 2021, respectively, of Regulatory Assets classified as Assets Held for Sale on the balance sheet. See “Disposition of KPCo and KTCo” section of Note 7 for additional information.
[4] Amount of securitized debt for receivables as accounted for under the “Transfers and Servicing” accounting guidance.
[5] 2022 and 2021 excludes Net Deferred Tax Liabilities of $469.7 million and $441.6 million, respectively, classified as Liabilities Held for Sale on the balance sheets.  See “Disposition of KPCo and KTCo” section of Note 7 for additional information.
[6] Amounts exclude $116 million and $148 million as of December 31, 2022 and 2021, respectively, of Regulatory Liabilities and Deferred Investment Tax Credits classified as Liabilities Held for Sale on the balance sheet. See “Disposition of KPCo and KTCo” section of Note 7 for additional information.
[7] Amount excludes $170 million and $165 million as of December 31, 2022 and 2021, respectively, of Property, Plant and Equipment - Net classified as Assets Held for Sale on the balance sheet. See “Disposition of KPCo and KTCo” section of Note 7 for additional information.
[8] Amounts exclude $346 thousand and $0 as of December 31, 2022 and 2021, respectively, of Regulatory Assets classified as Assets Held for Sale on the balance sheet. See “Disposition of KPCo and KTCo” section of Note 7 for additional information.
[9] Amount includes Assets Held for Sale on the balance sheet. See “Disposition of KPCo and KTCo” section of Note 7 for additional information.
[10] 2022 and 2021 excludes Net Deferred Tax Liabilities of $16.1 million and $15.4 million, respectively, classified as Liabilities Held for Sale on the balance sheets.  See “Disposition of KPCo and KTCo” section of Note 7 for additional information.
[11] Amounts exclude $8 million and $8 million as of December 31, 2022 and 2021, respectively, of Regulatory Liabilities classified as Liabilities Held for Sale on the balance sheet. See “Disposition of KPCo and KTCo” section of Note 7 for additional information.