VARIABLE INTEREST ENTITIES (Tables)

9 Months Ended

Sep. 30, 2025

Equity Method Investments and Joint Ventures [Abstract]

Schedule of Consolidated Assets And Liabilities Of Variable Interest Entities

The balances below represent the assets and liabilities of AEP’s and Registrant Subsidiaries’ consolidated VIEs. These balances include intercompany transactions that are eliminated upon consolidation.

	September 30, 2025
	Consolidated VIEs
	SWEPCo Sabine		I&M DCC Fuel		AEP Texas Restoration Funding			APCo Appalachian Consumer Rate Relief Funding			SWEPCo Storm Recovery Funding		KPCo Cost Recovery Funding			AEP Credit		Protected Cell of EIS		Transource Energy
	(in millions)
ASSETS
Current Assets	$	2.0	$	86.7	$	12.5		$	9.7		$	9.1	$	14.2		$	1,640.7	$	227.2	$	63.7
Net Property, Plant and Equipment	—		152.2		—			—			—		—			—		—		633.0
Other Noncurrent Assets	92.9		76.4		104.6		(a)	86.2		(b)	315.3		465.0		(c)	10.9		0.5		6.6
Total Assets	$	94.9	$	315.3	$	117.1		$	95.9		$	324.4	$	479.2		$	1,651.6	$	227.7	$	703.3
LIABILITIES AND EQUITY
Current Liabilities	$	18.1	$	86.5	$	30.3		$	30.2		$	18.4	$	24.1		$	1,529.6	$	64.7	$	31.2
Noncurrent Liabilities	76.8		228.8		85.4			63.8			304.3		452.7			1.0		94.2		339.8
Equity	—		—		1.4			1.9			1.7		2.4			121.0		68.8		332.3
Total Liabilities and Equity	$	94.9	$	315.3	$	117.1		$	95.9		$	324.4	$	479.2		$	1,651.6	$	227.7	$	703.3

(a)Includes an intercompany item eliminated in consolidation of $4 million.

(b)Includes an intercompany item eliminated in consolidation of $1 million.

(c)Includes an intercompany item eliminated in consolidation of $16 million.

	December 31, 2024
	Consolidated VIEs
	SWEPCo Sabine		I&M DCC Fuel		AEP Texas Restoration Funding			APCo Appalachian Consumer Rate Relief Funding			SWEPCo Storm Recovery Funding		AEP Credit		Protected Cell of EIS		Transource Energy
	(in millions)
ASSETS
Current Assets	$	6.0	$	79.3	$	21.3		$	14.2		$	3.4	$	1,118.3	$	218.5	$	40.2
Net Property, Plant and Equipment	—		132.3		—			—			—		—		—		598.3
Other Noncurrent Assets	110.8		63.6		121.9		(a)	109.6		(b)	331.4		10.5		—		3.5
Total Assets	$	116.8	$	275.2	$	143.2		$	123.8		$	334.8	$	1,128.8	$	218.5	$	642.0
LIABILITIES AND EQUITY
Current Liabilities	$	20.1	$	79.2	$	30.7		$	30.5		$	24.4	$	1,068.8	$	54.7	$	57.2
Noncurrent Liabilities	96.3		196.0		111.2			91.4			308.7		1.0		96.0		274.3
Equity	0.4		—		1.3			1.9			1.7		59.0		67.8		310.5
Total Liabilities and Equity	$	116.8	$	275.2	$	143.2		$	123.8		$	334.8	$	1,128.8	$	218.5	$	642.0

(a)Includes an intercompany item eliminated in consolidation of $5 million.

(b)Includes an intercompany item eliminated in consolidation of $1 million.