v3.26.1
ASSET RETIREMENT OBLIGATIONS (Tables)
6 Months Ended
Jun. 30, 2026
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of Changes to the ARO Balances
The following table summarizes the changes to the ARO balances as of June 30, 2026, and December 31, 2025.
FirstEnergy JCP&L
(In millions)
Balance, January 1, 2025
$455 $
Changes in timing and amount of estimated cash flows (51)— 
Liabilities incurred— 
Liabilities settled (1)
(154)— 
Accretion26 — 
Balance, December 31, 2025
$277 $
Changes in timing and amount of estimated cash flows (10)— 
Liabilities settled
(1)— 
Accretion12 — 
Balance, June 30, 2026
$278 $
(1) FirstEnergy amounts include the transfer of the McElroy’s Run CCR impoundment facility as well as the adjacent dry landfill and related remediation obligations to a subsidiary of IDA Power, LLC.