CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN COMMON SHAREHOLDER’S EQUITY - APCo - USD ($) $ in Millions	Total	Retained Earnings		Accumulated Other Comprehensive Income (Loss)	APCo	APCo Common Stock	APCo Paid-in Capital	APCo Retained Earnings	APCo Accumulated Other Comprehensive Income (Loss)
Beginning balance at Dec. 31, 2023					$ 5,276.7	$ 260.4	$ 1,834.5	$ 3,185.5	$ (3.7)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Capital Contribution from Parent					100.0		100.0
Common Stock Dividends	$ (466.9)	$ (465.5)	[1]
Net Income					136.5			136.5
Other Comprehensive Income (Loss)	(6.8)			$ (6.8)	(0.5)				(0.5)
Ending balance at Mar. 31, 2024					5,512.7	260.4	1,934.5	3,322.0	(4.2)
Beginning balance at Dec. 31, 2024	26,943.8				5,748.0	260.4	1,944.1	3,532.2	11.3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common Stock Dividends	(501.0)	$ (500.0)	[2]		(50.0)			(50.0)
Net Income					164.6			164.6
Other Comprehensive Income (Loss)	23.4			$ 23.4	(0.3)				(0.3)
Ending balance at Mar. 31, 2025	$ 27,320.7				$ 5,862.3	$ 260.4	$ 1,944.1	$ 3,646.8	$ 11.0

[1] Cash dividends declared per AEP common share were $0.88.

[2] Cash dividends declared per AEP common share were $0.93.