Condensed Consolidated Balance Sheets - USD ($) $ in Millions		Jun. 30, 2023		Dec. 31, 2022
Current Assets
Cash and Cash Equivalents		$ 304.9		$ 509.4
Restricted Cash		45.8		47.1
Other Temporary Investments		202.5		187.6
Accounts Receivable:
Accounts Receivable and Accrued Unbilled Revenues		990.8		1,145.1
Accrued Unbilled Revenues		179.2		322.9
Pledged Accounts Receivable - AEP Credit		1,226.6		1,207.4
Miscellaneous		47.9		49.7
Allowance for Uncollectible Accounts		(58.6)		(57.1)
Total Accounts Receivable		2,385.9		2,668.0
Fuel		705.9		435.1
Materials and Supplies		975.9		915.1
Risk Management Assets		279.5		348.8
Accrued Tax Benefits		191.8		99.4
Assets Held for Sale		1,382.8		0.0
Regulatory Asset for Under-Recovered Fuel Costs		1,256.4		1,310.0
Prepayments and Other Current Assets		309.9		255.0
TOTAL CURRENT ASSETS		8,041.3		6,775.5
Property, Plant and Equipment
Generation		24,113.5		25,834.2
Transmission		34,145.5		33,266.9
Distribution		28,033.8		27,138.8
Other Property, Plant and Equipment		6,187.6		5,971.8
Construction Work in Progress		5,935.4		4,809.7
Total Property, Plant and Equipment		98,415.8		97,021.4
Accumulated Depreciation and Amortization		23,734.4		23,682.3
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		74,681.4		73,339.1
Other Noncurrent Assets
Regulatory Assets		4,672.8		4,762.0
Securitized Assets		394.3		446.0
Spent Nuclear Fuel and Decommissioning Trusts		3,648.8		3,341.2
Goodwill		52.5		52.5
Long-term Risk Management Assets		266.8		284.1
Operating Lease Assets		634.1		645.5
Deferred Charges and Other Noncurrent Assets		3,610.1		3,757.4
TOTAL OTHER NONCURRENT ASSETS		13,279.4		13,288.7
TOTAL ASSETS		96,002.1	[1]	93,403.3
Current Liabilities
Accounts Payable		2,433.9		2,670.8
Short-term Debt:
Securitized Debt for Receivables - AEP Credit	[2]	750.0		750.0
Other Short-term Debt		3,117.6		3,362.2
Total Short-term Debt		3,867.6		4,112.2
Long-term Debt Due Within One Year		3,380.3		2,486.4
Risk Management Liabilities		176.2		145.2
Customer Deposits		382.2		408.8
Accrued Taxes		1,366.5		1,714.6
Accrued Interest		402.9		336.5
Obligations Under Operating Leases		116.6		113.6
Liabilities Held for Sale		64.8		0.0
Other Liabilities, Current		1,076.1		1,278.2
TOTAL CURRENT LIABILITIES		13,267.1		13,266.3
Noncurrent Liabilities
Long-term Debt		36,762.0		34,314.6
Deferred Income Tax Liabilities, Net		9,157.7		8,896.9
Long-term Risk Management Liabilities		275.3		345.2
Regulatory Liabilities and Deferred Investment Tax Credits		8,121.1		8,115.6
Asset Retirement Obligations		2,879.9		2,879.3
Employee Benefits and Pension Obligations		248.9		257.3
Obligations Under Operating Leases		533.6		552.5
Deferred Credits and Other Noncurrent Liabilities		568.2		607.3
TOTAL NONCURRENT LIABILITIES		58,546.7		55,968.7
TOTAL LIABILITIES		71,813.8		69,235.0
Rate Matters
Commitments and Contingencies
Contingently Reedemable Performance Share Awards		64.7		45.9
Total Mezzanine Equity		64.7		45.9
Equity
Common Stock		3,421.5		3,413.1
Paid-in Capital		8,110.8		8,051.0
Retained Earnings		12,405.5		12,345.6
Accumulated Other Comprehensive Income (Loss)		(36.4)		83.7
TOTAL COMMON SHAREHOLDER'S EQUITY		23,901.4		23,893.4
Noncontrolling Interests		222.2		229.0
TOTAL EQUITY		24,123.6		24,122.4
TOTAL LIABILITIES AND EQUITY		$ 96,002.1		$ 93,403.3
Common Stock, No Par Value		$ 6.50		$ 6.50
Common Stock, Shares Authorized		600,000,000		600,000,000
Common Stock, Shares, Issued		526,387,081		525,099,321
Treasury Stock, Shares		11,233,240		11,233,240
Commodity [Member]
Equity
Cross Default Provisions Maximum Third Party Obligation Amount		$ 50.0
Subsidiaries [Member]
Current Assets
Restricted Cash		45.8		$ 47.1
Other Temporary Investments		190.9		182.9
Short-term Debt:
Long-term Debt Due Within One Year		196.2		218.2
Noncurrent Liabilities
Long-term Debt		591.3		755.3
AEP Texas Inc. [Member]
Current Assets
Cash and Cash Equivalents		0.1		0.1
Restricted Cash		30.7		32.7
Accounts Receivable:
Accounts Receivable and Accrued Unbilled Revenues		173.2		150.9
Accrued Unbilled Revenues		91.6		91.4
Miscellaneous		0.5		0.2
Allowance for Uncollectible Accounts		(4.9)		(4.2)
Total Accounts Receivable		283.3		250.2
Materials and Supplies		157.3		138.8
Prepayments and Other Current Assets		8.9		18.2
TOTAL CURRENT ASSETS		487.2		446.9
Property, Plant and Equipment
Transmission		6,487.9		6,301.5
Distribution		5,572.7		5,312.8
Other Property, Plant and Equipment		1,098.3		1,022.8
Construction Work in Progress		984.9		805.2
Total Property, Plant and Equipment		14,143.8		13,442.3
Accumulated Depreciation and Amortization		1,829.1		1,760.7
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		12,314.7		11,681.6
Other Noncurrent Assets
Regulatory Assets		326.5		298.3
Securitized Assets		247.8		286.4
Deferred Charges and Other Noncurrent Assets		238.2		179.0
TOTAL OTHER NONCURRENT ASSETS		812.5		763.7
TOTAL ASSETS		13,614.4		12,892.2
Current Liabilities
Accounts Payable		247.2		331.0
Short-term Debt:
Long-term Debt Due Within One Year		154.7		278.5
Accrued Taxes		138.7		95.5
Accrued Interest		50.5		48.3
Obligations Under Operating Leases		29.8		28.6
Other Liabilities, Current		132.6		130.7
TOTAL CURRENT LIABILITIES		923.7		1,043.8
Noncurrent Liabilities
Long-term Debt		5,782.8		5,379.3
Deferred Income Tax Liabilities, Net		1,180.3		1,144.2
Regulatory Liabilities and Deferred Investment Tax Credits		1,250.6		1,259.6
Obligations Under Operating Leases		59.2		67.8
Deferred Credits and Other Noncurrent Liabilities		83.2		93.2
TOTAL NONCURRENT LIABILITIES		8,356.1		7,944.1
TOTAL LIABILITIES		9,279.8		8,987.9
Rate Matters
Commitments and Contingencies
Equity
Paid-in Capital		1,829.2		1,558.2
Retained Earnings		2,511.4		2,354.7
Accumulated Other Comprehensive Income (Loss)		(6.0)		(8.6)
TOTAL EQUITY		4,334.6		3,904.3
TOTAL LIABILITIES AND EQUITY		13,614.4		12,892.2
AEP Texas Inc. [Member] | Related Party
Current Assets
Advances to Affiliates		6.9		6.9
Accounts Receivable:
Affiliated Companies - Contracts with Customers		22.9		11.9
Current Liabilities
Advances From Affiliates		135.9		96.5
Accounts Payable		34.3		34.7
AEP Texas Inc. [Member] | AEP Texas Transition Funding and Restoration Funding [Member]
Current Assets
Restricted Cash		30.7		32.7
Other Noncurrent Assets
Securitized Assets		247.8		286.4
Short-term Debt:
Long-term Debt Due Within One Year		94.7		93.5
Accrued Interest		2.1		2.2
Noncurrent Liabilities
Long-term Debt		177.0		221.0
AEP Transmission Co [Member]
Current Assets
Cash and Cash Equivalents		0.0		0.0
Accounts Receivable:
Accounts Receivable and Accrued Unbilled Revenues		91.1		46.9
Total Accounts Receivable		270.5		166.4
Materials and Supplies		15.5		10.7
Prepayments and Other Current Assets		1.8		7.2
TOTAL CURRENT ASSETS		367.2		188.7
Property, Plant and Equipment
Transmission		12,780.0		12,335.4
Other Property, Plant and Equipment		489.6		476.8
Construction Work in Progress		1,918.9		1,554.7
Total Property, Plant and Equipment		15,188.5		14,366.9
Accumulated Depreciation and Amortization		1,150.8		1,027.0
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		14,037.7		13,339.9
Other Noncurrent Assets
Regulatory Assets		5.8		7.2
Deferred Property Taxes		155.9		266.6
Deferred Charges and Other Noncurrent Assets		9.9		11.8
TOTAL OTHER NONCURRENT ASSETS		171.6		285.6
TOTAL ASSETS		14,576.5		13,814.2
Current Liabilities
Accounts Payable		387.4		427.8
Short-term Debt:
Long-term Debt Due Within One Year		60.0		60.0
Accrued Taxes		392.4		529.8
Accrued Interest		40.1		28.8
Obligations Under Operating Leases		1.4		1.3
Other Liabilities, Current		12.3		8.3
TOTAL CURRENT LIABILITIES		1,072.9		1,368.0
Noncurrent Liabilities
Long-term Debt		5,413.0		4,722.8
Deferred Income Tax Liabilities, Net		1,107.3		1,056.5
Regulatory Liabilities and Deferred Investment Tax Credits		768.9		723.3
Obligations Under Operating Leases		1.8		1.5
Deferred Credits and Other Noncurrent Liabilities		69.8		69.1
TOTAL NONCURRENT LIABILITIES		7,360.8		6,573.2
TOTAL LIABILITIES		8,433.7		7,941.2
Rate Matters
Commitments and Contingencies
Equity
Paid-in Captial		3,038.7		3,022.3
Retained Earnings		3,104.1		2,850.7
TOTAL MEMBER'S EQUITY		6,142.8		5,873.0
TOTAL LIABILITIES AND EQUITY		14,576.5		13,814.2
AEP Transmission Co [Member] | Related Party
Current Assets
Advances to Affiliates		79.4		4.4
Accounts Receivable:
Affiliated Companies - Contracts with Customers		179.4		119.5
Current Liabilities
Advances From Affiliates		74.4		229.3
Accounts Payable		104.9		82.7
Appalachian Power Co [Member]
Current Assets
Cash and Cash Equivalents		6.8		7.5
Restricted Cash		15.1		14.4
Accounts Receivable:
Accounts Receivable and Accrued Unbilled Revenues		138.1		168.9
Accrued Unbilled Revenues		35.6		91.3
Miscellaneous		0.5		0.3
Allowance for Uncollectible Accounts		(1.6)		(1.7)
Total Accounts Receivable		294.1		352.8
Fuel		267.1		158.9
Materials and Supplies		136.5		130.6
Risk Management Assets		39.2		69.1
Regulatory Asset for Under-Recovered Fuel Costs		586.0		473.1
Prepayments and Other Current Assets		28.9		33.4
TOTAL CURRENT ASSETS		1,392.6		1,259.6
Property, Plant and Equipment
Generation		6,903.0		6,776.8
Transmission		4,536.9		4,482.8
Distribution		5,067.5		4,933.0
Other Property, Plant and Equipment		922.7		883.3
Construction Work in Progress		790.9		705.3
Total Property, Plant and Equipment		18,221.0		17,781.2
Accumulated Depreciation and Amortization		5,547.0		5,402.0
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		12,674.0		12,379.2
Other Noncurrent Assets
Regulatory Assets		891.7		1,058.6
Securitized Assets		146.5		159.6
Employee Benefits and Pension Assets		161.9		152.9
Operating Lease Assets		67.9		73.6
Deferred Charges and Other Noncurrent Assets		123.4		138.7
TOTAL OTHER NONCURRENT ASSETS		1,391.4		1,583.4
TOTAL ASSETS		15,458.0		15,222.2
Current Liabilities
Accounts Payable		324.3		451.2
Short-term Debt:
Long-term Debt Due Within One Year		538.3		251.8
Risk Management Liabilities		1.1		3.6
Customer Deposits		75.3		75.1
Accrued Taxes		101.8		101.0
Accrued Interest		60.0		57.9
Obligations Under Operating Leases		14.3		15.0
Other Liabilities, Current		108.6		109.7
TOTAL CURRENT LIABILITIES		1,604.0		1,390.2
Noncurrent Liabilities
Long-term Debt		5,061.4		5,158.7
Deferred Income Tax Liabilities, Net		2,007.9		1,992.2
Regulatory Liabilities and Deferred Investment Tax Credits		1,094.5		1,143.6
Asset Retirement Obligations		419.7		419.2
Employee Benefits and Pension Obligations		33.7		34.2
Obligations Under Operating Leases		54.0		59.1
Deferred Credits and Other Noncurrent Liabilities		49.7		49.6
TOTAL NONCURRENT LIABILITIES		8,720.9		8,856.6
TOTAL LIABILITIES		10,324.9		10,246.8
Rate Matters
Commitments and Contingencies
Equity
Common Stock		260.4		260.4
Paid-in Capital		1,833.0		1,828.7
Retained Earnings		3,046.5		2,891.1
Accumulated Other Comprehensive Income (Loss)		(6.8)		(4.8)
TOTAL EQUITY		5,133.1		4,975.4
TOTAL LIABILITIES AND EQUITY		$ 15,458.0		$ 15,222.2
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
Appalachian Power Co [Member] | Related Party
Current Assets
Advances to Affiliates		$ 18.9		$ 19.8
Accounts Receivable:
Affiliated Companies - Contracts with Customers		121.5		94.0
Current Liabilities
Advances From Affiliates		266.1		182.2
Accounts Payable		114.2		142.7
Indiana Michigan Power Co [Member]
Current Assets
Cash and Cash Equivalents		3.8		4.2
Accounts Receivable:
Accounts Receivable and Accrued Unbilled Revenues		48.9		96.6
Accrued Unbilled Revenues		0.8		0.6
Miscellaneous		6.6		4.7
Allowance for Uncollectible Accounts		(0.1)		(0.1)
Total Accounts Receivable		169.5		205.8
Fuel		85.6		46.5
Materials and Supplies		201.7		188.1
Risk Management Assets		21.4		15.2
Regulatory Asset for Under-Recovered Fuel Costs		17.5		47.1
Prepayments and Other Current Assets		44.1		41.9
TOTAL CURRENT ASSETS		584.1		571.8
Property, Plant and Equipment
Generation		5,598.9		5,585.1
Transmission		1,871.5		1,842.2
Distribution		3,131.7		3,024.7
Other Property, Plant and Equipment		831.6		839.3
Construction Work in Progress		292.0		253.0
Total Property, Plant and Equipment		11,725.7		11,544.3
Accumulated Depreciation and Amortization		4,243.0		4,132.8
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		7,482.7		7,411.5
Other Noncurrent Assets
Regulatory Assets		392.1		459.6
Spent Nuclear Fuel and Decommissioning Trusts		3,648.8		3,341.2
Operating Lease Assets		59.3		64.3
Deferred Charges and Other Noncurrent Assets		273.2		270.5
TOTAL OTHER NONCURRENT ASSETS		4,373.4		4,135.6
TOTAL ASSETS		12,440.2		12,118.9
Current Liabilities
Accounts Payable		220.8		173.4
Short-term Debt:
Long-term Debt Due Within One Year		74.3		341.8
Customer Deposits		50.4		48.6
Accrued Taxes		100.2		103.2
Accrued Interest		42.1		36.9
Obligations Under Operating Leases		16.5		16.0
Other Liabilities, Current		84.6		105.8
TOTAL CURRENT LIABILITIES		678.2		1,197.1
Noncurrent Liabilities
Long-term Debt		3,389.8		2,919.0
Deferred Income Tax Liabilities, Net		1,182.6		1,157.0
Regulatory Liabilities and Deferred Investment Tax Credits		1,909.5		1,702.2
Asset Retirement Obligations		2,064.9		2,027.6
Obligations Under Operating Leases		43.5		48.9
Deferred Credits and Other Noncurrent Liabilities		51.0		58.8
TOTAL NONCURRENT LIABILITIES		8,641.3		7,913.5
TOTAL LIABILITIES		9,319.5		9,110.6
Rate Matters
Commitments and Contingencies
Equity
Common Stock		56.6		56.6
Paid-in Capital		988.9		988.8
Retained Earnings		2,078.3		1,963.2
Accumulated Other Comprehensive Income (Loss)		(3.1)		(0.3)
TOTAL EQUITY		3,120.7		3,008.3
TOTAL LIABILITIES AND EQUITY		$ 12,440.2		$ 12,118.9
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] | Related Party
Current Assets
Advances to Affiliates		$ 40.5		$ 23.0
Accounts Receivable:
Affiliated Companies - Contracts with Customers		113.3		104.0
Current Liabilities
Advances From Affiliates		0.0		249.9
Accounts Payable		89.3		121.5
Indiana Michigan Power Co [Member] | DCC Fuel [Member]
Short-term Debt:
Long-term Debt Due Within One Year		72.1		89.6
Ohio Power Co [Member]
Current Assets
Cash and Cash Equivalents		9.7		9.6
Accounts Receivable:
Accounts Receivable and Accrued Unbilled Revenues		106.0		119.9
Accrued Unbilled Revenues		0.0		17.8
Miscellaneous		0.4		0.1
Allowance for Uncollectible Accounts		0.0		(0.1)
Total Accounts Receivable		232.9		238.6
Materials and Supplies		139.3		109.5
Renewable Energy Credits		28.9		35.0
Prepayments and Other Current Assets		15.8		21.7
TOTAL CURRENT ASSETS		426.6		414.4
Property, Plant and Equipment
Transmission		3,274.0		3,198.6
Distribution		6,633.3		6,450.3
Other Property, Plant and Equipment		1,071.3		1,051.4
Construction Work in Progress		651.3		474.3
Total Property, Plant and Equipment		11,629.9		11,174.6
Accumulated Depreciation and Amortization		2,627.0		2,565.3
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		9,002.9		8,609.3
Other Noncurrent Assets
Regulatory Assets		406.9		327.3
Operating Lease Assets		71.0		73.8
Deferred Charges and Other Noncurrent Assets		363.3		578.3
TOTAL OTHER NONCURRENT ASSETS		841.2		979.4
TOTAL ASSETS		10,270.7		10,003.1
Current Liabilities
Accounts Payable		322.6		337.3
Short-term Debt:
Long-term Debt Due Within One Year		0.0		0.1
Risk Management Liabilities		6.3		1.8
Customer Deposits		59.5		96.5
Accrued Taxes		441.8		733.1
Obligations Under Operating Leases		13.5		13.5
Other Liabilities, Current		158.5		154.2
TOTAL CURRENT LIABILITIES		1,228.0		1,635.5
Noncurrent Liabilities
Long-term Debt		3,365.6		2,970.2
Deferred Income Tax Liabilities, Net		1,123.4		1,101.1
Long-term Risk Management Liabilities		47.7		37.9
Regulatory Liabilities and Deferred Investment Tax Credits		992.6		1,044.0
Obligations Under Operating Leases		57.8		60.3
Deferred Credits and Other Noncurrent Liabilities		46.8		66.0
TOTAL NONCURRENT LIABILITIES		5,633.9		5,279.5
TOTAL LIABILITIES		6,861.9		6,915.0
Rate Matters
Commitments and Contingencies
Equity
Common Stock		321.2		321.2
Paid-in Capital		1,012.8		837.8
Retained Earnings		2,074.8		1,929.1
TOTAL EQUITY		3,408.8		3,088.1
TOTAL LIABILITIES AND EQUITY		$ 10,270.7		$ 10,003.1
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
Ohio Power Co [Member] | Related Party
Accounts Receivable:
Affiliated Companies - Contracts with Customers		$ 126.5		$ 100.9
Current Liabilities
Advances From Affiliates		72.3		172.9
Accounts Payable		153.5		126.1
Public Service Co Of Oklahoma [Member]
Current Assets
Cash and Cash Equivalents		4.6		4.0
Accounts Receivable:
Accounts Receivable and Accrued Unbilled Revenues		80.5		70.1
Miscellaneous		0.5		0.8
Total Accounts Receivable		148.1		123.1
Fuel		20.6		11.6
Materials and Supplies		105.8		111.1
Risk Management Assets		44.8		25.3
Accrued Tax Benefits		39.0		16.1
Regulatory Asset for Under-Recovered Fuel Costs		178.7		178.7
Prepayments and Other Current Assets		22.8		21.6
TOTAL CURRENT ASSETS		564.4		491.5
Property, Plant and Equipment
Generation		2,675.7		2,394.8
Transmission		1,182.7		1,164.4
Distribution		3,309.0		3,216.4
Other Property, Plant and Equipment		492.7		469.3
Construction Work in Progress		295.2		219.3
Total Property, Plant and Equipment		7,955.3		7,464.2
Accumulated Depreciation and Amortization		2,011.0		1,837.7
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		5,944.3		5,626.5
Other Noncurrent Assets
Regulatory Assets		570.0		653.7
Employee Benefits and Pension Assets		70.0		67.3
Operating Lease Assets		114.9		106.1
Deferred Charges and Other Noncurrent Assets		50.4		20.8
TOTAL OTHER NONCURRENT ASSETS		805.3		847.9
TOTAL ASSETS		7,314.0		6,965.9
Current Liabilities
Accounts Payable		284.2		202.9
Short-term Debt:
Long-term Debt Due Within One Year		0.6		0.5
Customer Deposits		60.0		59.0
Accrued Taxes		60.5		28.7
Obligations Under Operating Leases		9.5		8.9
Other Liabilities, Current		95.5		101.8
TOTAL CURRENT LIABILITIES		663.8		842.7
Noncurrent Liabilities
Long-term Debt		2,383.3		1,912.3
Deferred Income Tax Liabilities, Net		815.7		788.6
Regulatory Liabilities and Deferred Investment Tax Credits		797.1		809.1
Asset Retirement Obligations		81.4		73.5
Obligations Under Operating Leases		108.4		99.3
Deferred Credits and Other Noncurrent Liabilities		18.0		21.3
TOTAL NONCURRENT LIABILITIES		4,203.9		3,704.1
TOTAL LIABILITIES		4,867.7		4,546.8
Rate Matters
Commitments and Contingencies
Equity
Common Stock		157.2		157.2
Paid-in Capital		1,040.1		1,042.6
Retained Earnings		1,249.2		1,218.0
Accumulated Other Comprehensive Income (Loss)		(0.2)		1.3
TOTAL EQUITY		2,446.3		2,419.1
TOTAL LIABILITIES AND EQUITY		$ 7,314.0		$ 6,965.9
Common Stock, Shares Authorized		11,000,000		11,000,000
Common Stock, Shares, Outstanding		9,013,000		9,013,000
Common Stock, Par or Stated Value Per Share		$ 15		$ 15
Common Stock, Shares, Issued		10,482,000		10,482,000
Public Service Co Of Oklahoma [Member] | Related Party
Accounts Receivable:
Affiliated Companies - Contracts with Customers		$ 67.1		$ 52.2
Current Liabilities
Advances From Affiliates		68.1		364.2
Accounts Payable		85.4		76.7
Southwestern Electric Power Co [Member]
Current Assets
Cash and Cash Equivalents		4.6		88.4
Accounts Receivable:
Accounts Receivable and Accrued Unbilled Revenues		38.6		38.8
Miscellaneous		16.7		10.4
Total Accounts Receivable		118.9		114.6
Fuel		96.7		81.3
Materials and Supplies		86.3		92.1
Risk Management Assets		28.0		16.4
Accrued Tax Benefits		43.8		16.5
Regulatory Asset for Under-Recovered Fuel Costs		213.6		353.0
Prepayments and Other Current Assets		18.0		47.8
TOTAL CURRENT ASSETS		612.1		812.2
Property, Plant and Equipment
Generation		4,887.9		5,476.2
Transmission		2,536.4		2,479.8
Distribution		2,739.4		2,659.6
Other Property, Plant and Equipment		800.0		804.4
Construction Work in Progress		516.9		369.5
Total Property, Plant and Equipment		11,480.6		11,789.5
Accumulated Depreciation and Amortization		3,007.7		3,527.3
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		8,472.9		8,262.2
Other Noncurrent Assets
Regulatory Assets		1,147.2		1,042.4
Deferred Charges and Other Noncurrent Assets		313.9		262.0
TOTAL OTHER NONCURRENT ASSETS		1,461.1		1,304.4
TOTAL ASSETS		10,546.1		10,378.8
Current Liabilities
Accounts Payable		260.2		213.1
Short-term Debt:
Other Short-term Debt		3.9		0.0
Long-term Debt Due Within One Year		0.0		6.2
Customer Deposits		71.0		65.4
Accrued Taxes		118.4		52.8
Accrued Interest		38.9		36.0
Obligations Under Operating Leases		9.2		8.4
Asset Retirement Obligations		43.7		43.7
Other Liabilities, Current		110.1		129.7
TOTAL CURRENT LIABILITIES		784.7		947.7
Noncurrent Liabilities
Long-term Debt		3,645.6		3,385.4
Deferred Income Tax Liabilities, Net		1,131.9		1,089.7
Regulatory Liabilities and Deferred Investment Tax Credits		766.8		825.7
Asset Retirement Obligations		225.5		237.2
Employee Benefits and Pension Obligations		29.8		29.7
Obligations Under Operating Leases		125.0		120.2
Deferred Credits and Other Noncurrent Liabilities		41.3		68.4
TOTAL NONCURRENT LIABILITIES		5,965.9		5,756.3
TOTAL LIABILITIES		6,750.6		6,704.0
Rate Matters
Commitments and Contingencies
Equity
Common Stock		0.1		0.1
Paid-in Capital		1,492.2		1,442.2
Retained Earnings		2,307.6		2,236.0
Accumulated Other Comprehensive Income (Loss)		(4.5)		(4.2)
TOTAL COMMON SHAREHOLDER'S EQUITY		3,795.4		3,674.1
Noncontrolling Interests		0.1		0.7
TOTAL EQUITY		3,795.5		3,674.8
TOTAL LIABILITIES AND EQUITY		$ 10,546.1		$ 10,378.8
Common Stock, No Par Value		$ 18		$ 18
Common Stock, Shares Authorized		3,680		3,680
Common Stock, Shares, Outstanding		3,680		3,680
Southwestern Electric Power Co [Member] | Related Party
Current Assets
Advances to Affiliates		$ 2.2		$ 2.1
Accounts Receivable:
Affiliated Companies - Contracts with Customers		63.6		65.4
Current Liabilities
Advances From Affiliates		32.6		310.7
Accounts Payable		96.7		81.7
Southwestern Electric Power Co [Member] | Sabine Mining Co [Member]
Current Assets
Cash and Cash Equivalents		0.2		84.2
Accounts Receivable:
Fuel		0.0		14.2
Materials and Supplies		4.2		4.2
Property, Plant and Equipment
Other Property, Plant and Equipment		187.8		219.8
Accumulated Depreciation and Amortization		$ 187.8		$ 212.5

[1] Amount includes Assets Held for Sale on the balance sheet. See “Planned Disposition of the Competitive Contracted Renewables Portfolio” section of Note 6 for additional information.

[2] Amount of securitized debt for receivables as accounted for under the “Transfers and Servicing” accounting guidance.