ACQUISITIONS, DISPOSITIONS AND IMPAIRMENTS (Tables)

12 Months Ended

Dec. 31, 2025

Discontinued Operations and Disposal Groups [Abstract]

Schedule of Asset Acquisition

The table below summarizes the impact at acquisition on SWEPCo’s balance sheets:

Plant Name	State	Fuel Type	Net Maximum Capacity (MWs)	Property, Plant and Equipment, Net		Operating Lease Assets		Asset Retirement Obligations
				(in millions)
Wagon Wheel	OK	Wind	598	$	1,272	$	66	$	20

The table below summarizes the impact at acquisition on APCo’s balance sheets:

Plant Name	State	Fuel Type	Net Maximum Capacity (MWs)	Property, Plant and Equipment, Net		Operating Lease Assets		Asset Retirement Obligations
				(in millions)
Top Hat	IL	Wind	204	$	562	$	31	$	4

The table below summarizes the impact at acquisition on PSO’s balance sheets:

Plant Name	State	Fuel Type	Net Maximum Capacity (MWs)	Property, Plant and Equipment, Net		Operating Lease Assets		Asset Retirement Obligations		Other Liabilities
				(in millions)
Green Country	OK	Natural Gas	904	$	819	$	—	$	—	$	91	(a)
Pixley	KS	Solar	189	380		9		12		—
Flat Ridge IV	KS	Wind	135	305		7		3		—
Flat Ridge V	KS	Wind	153	338		9		4		—
Total			1,381	$	1,842	$	25	$	19	$	91

(a)$50 million included in Regulatory Liabilities and Deferred Investment Tax Credits, $21 million included in Other Current Liabilities and $20 million included in Deferred Credits and Other Noncurrent Liabilities on PSO’s balance sheets.