Condensed Consolidated Balance Sheets - USD ($) $ in Millions		Sep. 30, 2023	Dec. 31, 2022
Current Assets
Cash and Cash Equivalents		$ 353.3	$ 509.4
Restricted Cash		53.8	47.1
Other Temporary Investments		211.0	187.6
Accounts Receivable:
Accounts Receivable and Accrued Unbilled Revenues		976.8	1,145.1
Accrued Unbilled Revenues		270.2	322.9
Pledged Accounts Receivable - AEP Credit		1,299.2	1,207.4
Miscellaneous		77.4	49.7
Allowance for Uncollectible Accounts		(58.6)	(57.1)
Total Accounts Receivable		2,565.0	2,668.0
Fuel		726.8	435.1
Materials and Supplies		993.2	915.1
Risk Management Assets		262.7	348.8
Accrued Tax Benefits		160.3	99.4
Regulatory Asset for Under-Recovered Fuel Costs		1,087.6	1,310.0
Prepayments and Other Current Assets		322.9	255.0
TOTAL CURRENT ASSETS		6,736.6	6,775.5
Property, Plant and Equipment
Generation		24,178.0	25,834.2
Transmission		34,731.0	33,266.9
Distribution		28,444.0	27,138.8
Other Property, Plant and Equipment		6,251.1	5,971.8
Construction Work in Progress		6,394.4	4,809.7
Total Property, Plant and Equipment		99,998.5	97,021.4
Accumulated Depreciation and Amortization		24,177.4	23,682.3
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		75,821.1	73,339.1
Other Noncurrent Assets
Regulatory Assets		4,607.3	4,762.0
Securitized Assets		365.4	446.0
Spent Nuclear Fuel and Decommissioning Trusts		3,539.7	3,341.2
Goodwill		52.5	52.5
Long-term Risk Management Assets		290.2	284.1
Operating Lease Assets		619.1	645.5
Deferred Charges and Other Noncurrent Assets		3,093.7	3,757.4
TOTAL OTHER NONCURRENT ASSETS		12,567.9	13,288.7
TOTAL ASSETS		95,125.6	93,403.3
Current Liabilities
Accounts Payable		2,258.6	2,670.8
Short-term Debt:
Securitized Debt for Receivables - AEP Credit	[1]	900.0	750.0
Other Short-term Debt		1,830.4	3,362.2
Total Short-term Debt		2,730.4	4,112.2
Long-term Debt Due Within One Year		2,773.6	2,486.4
Risk Management Liabilities		151.5	145.2
Customer Deposits		379.6	408.8
Accrued Taxes		1,201.0	1,714.6
Accrued Interest		485.9	336.5
Obligations Under Operating Leases		117.7	113.6
Other Liabilities, Current		1,179.8	1,278.2
TOTAL CURRENT LIABILITIES		11,278.1	13,266.3
Noncurrent Liabilities
Long-term Debt		36,715.5	34,314.6
Deferred Income Tax Liabilities, Net		9,267.2	8,896.9
Long-term Risk Management Liabilities		278.4	345.2
Regulatory Liabilities and Deferred Investment Tax Credits		7,916.3	8,115.6
Asset Retirement Obligations		2,895.2	2,879.3
Employee Benefits and Pension Obligations		238.3	257.3
Obligations Under Operating Leases		514.6	552.5
Deferred Credits and Other Noncurrent Liabilities		597.3	607.3
TOTAL NONCURRENT LIABILITIES		58,422.8	55,968.7
TOTAL LIABILITIES		69,700.9	69,235.0
Rate Matters
Commitments and Contingencies
Contingently Reedemable Performance Share Awards		75.1	45.9
Total Mezzanine Equity		75.1	45.9
Equity
Common Stock		3,424.3	3,413.1
Paid-in Capital		8,996.4	8,051.0
Retained Earnings		12,929.5	12,345.6
Accumulated Other Comprehensive Income (Loss)		(40.5)	83.7
TOTAL COMMON SHAREHOLDER'S EQUITY		25,309.7	23,893.4
Noncontrolling Interests		39.9	229.0
TOTAL EQUITY		25,349.6	24,122.4
TOTAL LIABILITIES AND EQUITY		$ 95,125.6	$ 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		526,819,992	525,099,321
Treasury Stock, Shares		1,184,572	11,233,240
Commodity [Member]
Equity
Cross Default Provisions Maximum Third Party Obligation Amount		$ 50.0
Subsidiaries [Member]
Current Assets
Restricted Cash		53.8	$ 47.1
Other Temporary Investments		202.0	182.9
Short-term Debt:
Long-term Debt Due Within One Year		184.4	218.2
Noncurrent Liabilities
Long-term Debt		553.5	755.3
AEP Texas Inc. [Member]
Current Assets
Cash and Cash Equivalents		0.1	0.1
Restricted Cash		46.9	32.7
Accounts Receivable:
Accounts Receivable and Accrued Unbilled Revenues		209.6	150.9
Accrued Unbilled Revenues		106.6	91.4
Miscellaneous		0.7	0.2
Allowance for Uncollectible Accounts		(5.0)	(4.2)
Total Accounts Receivable		332.0	250.2
Materials and Supplies		170.9	138.8
Prepayments and Other Current Assets		25.9	18.2
TOTAL CURRENT ASSETS		624.8	446.9
Property, Plant and Equipment
Transmission		6,579.9	6,301.5
Distribution		5,694.5	5,312.8
Other Property, Plant and Equipment		1,119.6	1,022.8
Construction Work in Progress		1,053.9	805.2
Total Property, Plant and Equipment		14,447.9	13,442.3
Accumulated Depreciation and Amortization		1,857.1	1,760.7
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		12,590.8	11,681.6
Other Noncurrent Assets
Regulatory Assets		307.7	298.3
Securitized Assets		225.5	286.4
Deferred Charges and Other Noncurrent Assets		208.9	179.0
TOTAL OTHER NONCURRENT ASSETS		742.1	763.7
TOTAL ASSETS		13,957.7	12,892.2
Current Liabilities
Accounts Payable		249.3	331.0
Short-term Debt:
Long-term Debt Due Within One Year		94.9	278.5
Accrued Taxes		139.6	95.5
Accrued Interest		81.4	48.3
Obligations Under Operating Leases		30.2	28.6
Other Liabilities, Current		153.9	130.7
TOTAL CURRENT LIABILITIES		780.8	1,043.8
Noncurrent Liabilities
Long-term Debt		5,831.8	5,379.3
Deferred Income Tax Liabilities, Net		1,220.8	1,144.2
Regulatory Liabilities and Deferred Investment Tax Credits		1,256.7	1,259.6
Obligations Under Operating Leases		54.6	67.8
Deferred Credits and Other Noncurrent Liabilities		102.5	93.2
TOTAL NONCURRENT LIABILITIES		8,466.4	7,944.1
TOTAL LIABILITIES		9,247.2	8,987.9
Rate Matters
Commitments and Contingencies
Equity
Paid-in Capital		2,079.7	1,558.2
Retained Earnings		2,636.9	2,354.7
Accumulated Other Comprehensive Income (Loss)		(6.1)	(8.6)
TOTAL EQUITY		4,710.5	3,904.3
TOTAL LIABILITIES AND EQUITY		13,957.7	12,892.2
AEP Texas Inc. [Member] | Related Party
Current Assets
Advances to Affiliates		49.0	6.9
Accounts Receivable:
Affiliated Companies - Contracts with Customers		20.1	11.9
Current Liabilities
Advances From Affiliates		0.0	96.5
Accounts Payable		31.5	34.7
AEP Texas Inc. [Member] | AEP Texas Transition Funding and Restoration Funding [Member]
Current Assets
Restricted Cash		46.9	32.7
Other Noncurrent Assets
Securitized Assets		225.5	286.4
Short-term Debt:
Long-term Debt Due Within One Year		94.9	93.5
Accrued Interest		2.0	2.2
Noncurrent Liabilities
Long-term Debt		165.1	221.0
AEP Transmission Co [Member]
Current Assets
Cash and Cash Equivalents		0.0	0.0
Accounts Receivable:
Accounts Receivable and Accrued Unbilled Revenues		80.4	46.9
Total Accounts Receivable		203.5	166.4
Materials and Supplies		0.3	10.7
Prepayments and Other Current Assets		4.1	7.2
TOTAL CURRENT ASSETS		298.5	188.7
Property, Plant and Equipment
Transmission		13,140.5	12,335.4
Other Property, Plant and Equipment		497.5	476.8
Construction Work in Progress		1,902.1	1,554.7
Total Property, Plant and Equipment		15,540.1	14,366.9
Accumulated Depreciation and Amortization		1,221.2	1,027.0
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		14,318.9	13,339.9
Other Noncurrent Assets
Regulatory Assets		4.4	7.2
Deferred Property Taxes		82.2	266.6
Deferred Charges and Other Noncurrent Assets		8.0	11.8
TOTAL OTHER NONCURRENT ASSETS		94.6	285.6
TOTAL ASSETS		14,712.0	13,814.2
Current Liabilities
Accounts Payable		336.1	427.8
Short-term Debt:
Long-term Debt Due Within One Year		60.0	60.0
Accrued Taxes		323.5	529.8
Accrued Interest		56.6	28.8
Obligations Under Operating Leases		1.3	1.3
Other Liabilities, Current		12.8	8.3
TOTAL CURRENT LIABILITIES		1,003.2	1,368.0
Noncurrent Liabilities
Long-term Debt		5,413.7	4,722.8
Deferred Income Tax Liabilities, Net		1,139.1	1,056.5
Regulatory Liabilities and Deferred Investment Tax Credits		784.5	723.3
Obligations Under Operating Leases		1.6	1.5
Deferred Credits and Other Noncurrent Liabilities		75.0	69.1
TOTAL NONCURRENT LIABILITIES		7,413.9	6,573.2
TOTAL LIABILITIES		8,417.1	7,941.2
Rate Matters
Commitments and Contingencies
Equity
Paid-in Captial		3,041.6	3,022.3
Retained Earnings		3,253.3	2,850.7
TOTAL MEMBER'S EQUITY		6,294.9	5,873.0
TOTAL LIABILITIES AND EQUITY		14,712.0	13,814.2
AEP Transmission Co [Member] | Related Party
Current Assets
Advances to Affiliates		90.6	4.4
Accounts Receivable:
Affiliated Companies - Contracts with Customers		123.1	119.5
Current Liabilities
Advances From Affiliates		116.8	229.3
Accounts Payable		96.1	82.7
Appalachian Power Co [Member]
Current Assets
Cash and Cash Equivalents		4.5	7.5
Restricted Cash		6.9	14.4
Accounts Receivable:
Accounts Receivable and Accrued Unbilled Revenues		142.9	168.9
Accrued Unbilled Revenues		41.9	91.3
Miscellaneous		0.2	0.3
Allowance for Uncollectible Accounts		(1.7)	(1.7)
Total Accounts Receivable		275.0	352.8
Fuel		266.5	158.9
Materials and Supplies		137.5	130.6
Risk Management Assets		46.4	69.1
Regulatory Asset for Under-Recovered Fuel Costs		442.0	473.1
Prepayments and Other Current Assets		33.7	33.4
TOTAL CURRENT ASSETS		1,231.8	1,259.6
Property, Plant and Equipment
Generation		6,919.7	6,776.8
Transmission		4,588.4	4,482.8
Distribution		5,126.8	4,933.0
Other Property, Plant and Equipment		933.7	883.3
Construction Work in Progress		877.9	705.3
Total Property, Plant and Equipment		18,446.5	17,781.2
Accumulated Depreciation and Amortization		5,621.4	5,402.0
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		12,825.1	12,379.2
Other Noncurrent Assets
Regulatory Assets		978.8	1,058.6
Securitized Assets		140.0	159.6
Employee Benefits and Pension Assets		166.5	152.9
Operating Lease Assets		64.9	73.6
Deferred Charges and Other Noncurrent Assets		102.6	138.7
TOTAL OTHER NONCURRENT ASSETS		1,452.8	1,583.4
TOTAL ASSETS		15,509.7	15,222.2
Current Liabilities
Accounts Payable		321.8	451.2
Short-term Debt:
Long-term Debt Due Within One Year		538.8	251.8
Risk Management Liabilities		1.8	3.6
Customer Deposits		77.6	75.1
Accrued Taxes		82.4	101.0
Accrued Interest		85.5	57.9
Obligations Under Operating Leases		14.0	15.0
Other Liabilities, Current		103.3	109.7
TOTAL CURRENT LIABILITIES		1,544.3	1,390.2
Noncurrent Liabilities
Long-term Debt		5,048.5	5,158.7
Deferred Income Tax Liabilities, Net		2,029.6	1,992.2
Regulatory Liabilities and Deferred Investment Tax Credits		1,100.5	1,143.6
Asset Retirement Obligations		423.3	419.2
Employee Benefits and Pension Obligations		34.1	34.2
Obligations Under Operating Leases		51.4	59.1
Deferred Credits and Other Noncurrent Liabilities		51.7	49.6
TOTAL NONCURRENT LIABILITIES		8,739.1	8,856.6
TOTAL LIABILITIES		10,283.4	10,246.8
Rate Matters
Commitments and Contingencies
Equity
Common Stock		260.4	260.4
Paid-in Capital		1,835.2	1,828.7
Retained Earnings		3,138.4	2,891.1
Accumulated Other Comprehensive Income (Loss)		(7.7)	(4.8)
TOTAL EQUITY		5,226.3	4,975.4
TOTAL LIABILITIES AND EQUITY		$ 15,509.7	$ 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		$ 19.3	$ 19.8
Accounts Receivable:
Affiliated Companies - Contracts with Customers		91.7	94.0
Current Liabilities
Advances From Affiliates		202.5	182.2
Accounts Payable		116.6	142.7
Indiana Michigan Power Co [Member]
Current Assets
Cash and Cash Equivalents		2.7	4.2
Accounts Receivable:
Accounts Receivable and Accrued Unbilled Revenues		46.2	96.6
Accrued Unbilled Revenues		3.9	0.6
Miscellaneous		5.3	4.7
Allowance for Uncollectible Accounts		0.0	(0.1)
Total Accounts Receivable		124.8	205.8
Fuel		78.6	46.5
Materials and Supplies		198.7	188.1
Risk Management Assets		15.8	15.2
Regulatory Asset for Under-Recovered Fuel Costs		13.3	47.1
Prepayments and Other Current Assets		43.9	41.9
TOTAL CURRENT ASSETS		499.0	571.8
Property, Plant and Equipment
Generation		5,608.1	5,585.1
Transmission		1,881.2	1,842.2
Distribution		3,171.8	3,024.7
Other Property, Plant and Equipment		834.3	839.3
Construction Work in Progress		353.2	253.0
Total Property, Plant and Equipment		11,848.6	11,544.3
Accumulated Depreciation and Amortization		4,312.9	4,132.8
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		7,535.7	7,411.5
Other Noncurrent Assets
Regulatory Assets		377.7	459.6
Spent Nuclear Fuel and Decommissioning Trusts		3,539.7	3,341.2
Operating Lease Assets		56.7	64.3
Deferred Charges and Other Noncurrent Assets		257.7	270.5
TOTAL OTHER NONCURRENT ASSETS		4,231.8	4,135.6
TOTAL ASSETS		12,266.5	12,118.9
Current Liabilities
Accounts Payable		177.6	173.4
Short-term Debt:
Long-term Debt Due Within One Year		61.8	341.8
Customer Deposits		54.6	48.6
Accrued Taxes		77.9	103.2
Accrued Interest		38.7	36.9
Obligations Under Operating Leases		16.8	16.0
Regulatory Liability for Over-Recovered Fuel Costs		19.1	0.0
Other Liabilities, Current		88.5	105.8
TOTAL CURRENT LIABILITIES		624.0	1,197.1
Noncurrent Liabilities
Long-term Debt		3,381.8	2,919.0
Deferred Income Tax Liabilities, Net		1,192.7	1,157.0
Regulatory Liabilities and Deferred Investment Tax Credits		1,758.1	1,702.2
Asset Retirement Obligations		2,083.6	2,027.6
Obligations Under Operating Leases		40.5	48.9
Deferred Credits and Other Noncurrent Liabilities		45.6	58.8
TOTAL NONCURRENT LIABILITIES		8,502.3	7,913.5
TOTAL LIABILITIES		9,126.3	9,110.6
Rate Matters
Commitments and Contingencies
Equity
Common Stock		56.6	56.6
Paid-in Capital		990.5	988.8
Retained Earnings		2,096.3	1,963.2
Accumulated Other Comprehensive Income (Loss)		(3.2)	(0.3)
TOTAL EQUITY		3,140.2	3,008.3
TOTAL LIABILITIES AND EQUITY		$ 12,266.5	$ 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		$ 21.2	$ 23.0
Accounts Receivable:
Affiliated Companies - Contracts with Customers		69.4	104.0
Current Liabilities
Advances From Affiliates		0.0	249.9
Accounts Payable		89.0	121.5
Indiana Michigan Power Co [Member] | DCC Fuel [Member]
Short-term Debt:
Long-term Debt Due Within One Year		59.5	89.6
Ohio Power Co [Member]
Current Assets
Cash and Cash Equivalents		6.8	9.6
Accounts Receivable:
Accounts Receivable and Accrued Unbilled Revenues		104.1	119.9
Accrued Unbilled Revenues		2.9	17.8
Miscellaneous		1.6	0.1
Allowance for Uncollectible Accounts		0.1	(0.1)
Total Accounts Receivable		238.0	238.6
Materials and Supplies		151.8	109.5
Renewable Energy Credits		19.9	35.0
Prepayments and Other Current Assets		27.2	21.7
TOTAL CURRENT ASSETS		443.7	414.4
Property, Plant and Equipment
Transmission		3,320.1	3,198.6
Distribution		6,718.3	6,450.3
Other Property, Plant and Equipment		1,071.5	1,051.4
Construction Work in Progress		720.6	474.3
Total Property, Plant and Equipment		11,830.5	11,174.6
Accumulated Depreciation and Amortization		2,670.5	2,565.3
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		9,160.0	8,609.3
Other Noncurrent Assets
Regulatory Assets		413.2	327.3
Operating Lease Assets		68.9	73.8
Deferred Charges and Other Noncurrent Assets		262.7	578.3
TOTAL OTHER NONCURRENT ASSETS		744.8	979.4
TOTAL ASSETS		10,348.5	10,003.1
Current Liabilities
Accounts Payable		308.5	337.3
Short-term Debt:
Long-term Debt Due Within One Year		0.0	0.1
Risk Management Liabilities		5.7	1.8
Customer Deposits		59.2	96.5
Accrued Taxes		370.9	733.1
Obligations Under Operating Leases		13.5	13.5
Other Liabilities, Current		204.7	154.2
TOTAL CURRENT LIABILITIES		1,226.8	1,635.5
Noncurrent Liabilities
Long-term Debt		3,366.2	2,970.2
Deferred Income Tax Liabilities, Net		1,155.5	1,101.1
Long-term Risk Management Liabilities		45.9	37.9
Regulatory Liabilities and Deferred Investment Tax Credits		976.8	1,044.0
Obligations Under Operating Leases		55.6	60.3
Deferred Credits and Other Noncurrent Liabilities		32.4	66.0
TOTAL NONCURRENT LIABILITIES		5,632.4	5,279.5
TOTAL LIABILITIES		6,859.2	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		2,155.3	1,929.1
TOTAL EQUITY		3,489.3	3,088.1
TOTAL LIABILITIES AND EQUITY		$ 10,348.5	$ 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		$ 129.3	$ 100.9
Current Liabilities
Advances From Affiliates		113.3	172.9
Accounts Payable		151.0	126.1
Public Service Co Of Oklahoma [Member]
Current Assets
Cash and Cash Equivalents		3.7	4.0
Accounts Receivable:
Accounts Receivable and Accrued Unbilled Revenues		78.8	70.1
Miscellaneous		0.5	0.8
Total Accounts Receivable		111.2	123.1
Fuel		20.5	11.6
Materials and Supplies		114.9	111.1
Risk Management Assets		28.2	25.3
Accrued Tax Benefits		61.3	16.1
Regulatory Asset for Under-Recovered Fuel Costs		168.2	178.7
Prepayments and Other Current Assets		35.2	21.6
TOTAL CURRENT ASSETS		552.4	491.5
Property, Plant and Equipment
Generation		2,683.7	2,394.8
Transmission		1,197.1	1,164.4
Distribution		3,357.9	3,216.4
Other Property, Plant and Equipment		498.8	469.3
Construction Work in Progress		337.9	219.3
Total Property, Plant and Equipment		8,075.4	7,464.2
Accumulated Depreciation and Amortization		2,050.3	1,837.7
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		6,025.1	5,626.5
Other Noncurrent Assets
Regulatory Assets		477.2	653.7
Employee Benefits and Pension Assets		71.4	67.3
Operating Lease Assets		114.0	106.1
Deferred Charges and Other Noncurrent Assets		32.1	20.8
TOTAL OTHER NONCURRENT ASSETS		694.7	847.9
TOTAL ASSETS		7,272.2	6,965.9
Current Liabilities
Accounts Payable		233.3	202.9
Short-term Debt:
Long-term Debt Due Within One Year		0.6	0.5
Customer Deposits		61.0	59.0
Accrued Taxes		64.4	28.7
Accrued Interest		25.9	18.2
Obligations Under Operating Leases		10.7	8.9
Other Liabilities, Current		75.4	83.6
TOTAL CURRENT LIABILITIES		517.4	842.7
Noncurrent Liabilities
Long-term Debt		2,383.6	1,912.3
Deferred Income Tax Liabilities, Net		797.5	788.6
Regulatory Liabilities and Deferred Investment Tax Credits		787.0	809.1
Asset Retirement Obligations		82.3	73.5
Obligations Under Operating Leases		106.6	99.3
Deferred Credits and Other Noncurrent Liabilities		29.0	21.3
TOTAL NONCURRENT LIABILITIES		4,186.0	3,704.1
TOTAL LIABILITIES		4,703.4	4,546.8
Rate Matters
Commitments and Contingencies
Equity
Common Stock		157.2	157.2
Paid-in Capital		1,040.7	1,042.6
Retained Earnings		1,371.1	1,218.0
Accumulated Other Comprehensive Income (Loss)		(0.2)	1.3
TOTAL EQUITY		2,568.8	2,419.1
TOTAL LIABILITIES AND EQUITY		$ 7,272.2	$ 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
Current Assets
Advances to Affiliates		$ 9.2	$ 0.0
Accounts Receivable:
Affiliated Companies - Contracts with Customers		31.9	52.2
Current Liabilities
Advances From Affiliates		0.0	364.2
Accounts Payable		46.1	76.7
Southwestern Electric Power Co [Member]
Current Assets
Cash and Cash Equivalents		3.6	88.4
Accounts Receivable:
Accounts Receivable and Accrued Unbilled Revenues		32.9	38.8
Miscellaneous		8.3	10.4
Allowance for Uncollectible Accounts		(0.1)	0.0
Total Accounts Receivable		84.9	114.6
Fuel		94.2	81.3
Materials and Supplies		88.6	92.1
Risk Management Assets		17.1	16.4
Accrued Tax Benefits		78.1	16.5
Regulatory Asset for Under-Recovered Fuel Costs		184.4	353.0
Prepayments and Other Current Assets		38.9	47.8
TOTAL CURRENT ASSETS		592.5	812.2
Property, Plant and Equipment
Generation		4,892.8	5,476.2
Transmission		2,557.0	2,479.8
Distribution		2,769.9	2,659.6
Other Property, Plant and Equipment		801.7	804.4
Construction Work in Progress		598.2	369.5
Total Property, Plant and Equipment		11,619.6	11,789.5
Accumulated Depreciation and Amortization		3,057.1	3,527.3
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		8,562.5	8,262.2
Other Noncurrent Assets
Regulatory Assets		1,116.9	1,042.4
Deferred Charges and Other Noncurrent Assets		289.2	262.0
TOTAL OTHER NONCURRENT ASSETS		1,406.1	1,304.4
TOTAL ASSETS		10,561.1	10,378.8
Current Liabilities
Accounts Payable		232.1	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		71.5	65.4
Accrued Taxes		123.8	52.8
Accrued Interest		38.3	36.0
Obligations Under Operating Leases		9.4	8.4
Asset Retirement Obligations		43.7	43.7
Other Liabilities, Current		97.0	129.7
TOTAL CURRENT LIABILITIES		699.9	947.7
Noncurrent Liabilities
Long-term Debt		3,646.2	3,385.4
Deferred Income Tax Liabilities, Net		1,162.5	1,089.7
Regulatory Liabilities and Deferred Investment Tax Credits		760.3	825.7
Asset Retirement Obligations		218.1	237.2
Employee Benefits and Pension Obligations		30.5	29.7
Obligations Under Operating Leases		123.8	120.2
Deferred Credits and Other Noncurrent Liabilities		41.0	68.4
TOTAL NONCURRENT LIABILITIES		5,982.4	5,756.3
TOTAL LIABILITIES		6,682.3	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		2,390.1	2,236.0
Accumulated Other Comprehensive Income (Loss)		(4.9)	(4.2)
TOTAL COMMON SHAREHOLDER'S EQUITY		3,877.5	3,674.1
Noncontrolling Interests		1.3	0.7
TOTAL EQUITY		3,878.8	3,674.8
TOTAL LIABILITIES AND EQUITY		$ 10,561.1	$ 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		$ 2.7	$ 2.1
Accounts Receivable:
Affiliated Companies - Contracts with Customers		43.8	65.4
Current Liabilities
Advances From Affiliates		48.9	310.7
Accounts Payable		31.3	81.7
Southwestern Electric Power Co [Member] | Sabine Mining Co [Member]
Current Assets
Cash and Cash Equivalents		0.0	84.2
Accounts Receivable:
Fuel		0.0	14.2
Materials and Supplies		3.9	4.2
Property, Plant and Equipment
Other Property, Plant and Equipment		185.0	219.8
Accumulated Depreciation and Amortization		$ 185.0	$ 212.5

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