The following table summarizes the changes to our current and noncurrent ARO liabilities for the six months ended June 30, 2026 and 2025:


	Six Months Ended June 30, 2026						Six Months Ended June 30, 2025
	Nuclear Plant Decommissioning		Land Reclamation, Coal Ash, and Other		Total		Nuclear Plant Decommissioning		Land Reclamation, Coal Ash, and Other		Total
	(in millions)
Liability at beginning of period	$	3,374	$	842	$	4,216	$	3,240	$	838	$	4,078

Accretion (a)	82		13		95		75		20		95
Adjustment for change in estimates (b)	—		(5)		(5)		—		(31)		(31)



Payments	—		(37)		(37)		—		(43)		(43)


Liability at end of period	3,456		813		4,269		3,315		784		4,099
Less amounts due currently	—		(197)		(197)		—		(146)		(146)
Noncurrent liability at end of period	$	3,456	$	616	$	4,072	$	3,315	$	638	$	3,953

(a)For the six months ended June 30, 2026 and 2025, nuclear plant decommissioning accretion includes $50 million and $46 million, respectively, of accretion expense recognized in operating costs in the condensed consolidated statements of operations and $32 million and $29 million, respectively, reflected as a change in regulatory liability in the condensed consolidated balance sheets.

(b)There is a corresponding non-cash change in property, plant, and equipment related to land, reclamation, coal ash, and other ARO adjustments of $7 million and $14 million for the six months ended June 30, 2026 and 2025, respectively.