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REVENUE (Tables)
 12 Months Ended
Dec. 31, 2024
Revenue from Contract with Customer [Abstract]  
Schedule of Disaggregation of Revenue
The following represents a disaggregation of revenue from contracts with customers for the years ended December 31, 2024, 2023 and 2022:
For the Years Ended December 31,
(In millions)202420232022
 Distribution
Retail generation and distribution services(1)
Residential $4,514 $4,344 $3,954 
Commercial 1,522 1,528 1,432 
Industrial 588 726 806 
Other 73 72 56 
Wholesale 6 20 19 
Other revenue from contracts with customers (2)
80 89 86 
Total revenues from contracts with customers6,783 6,779 6,353 
Other revenue unrelated to contracts with customers (3)
80 75 72 
Total Distribution$6,863 $6,854 $6,425 
Integrated
Retail generation and distribution services
Residential$2,528 $2,137 $2,121 
Commercial1,142 1,023 1,016 
Industrial577 545 505 
Other32 30 26 
Wholesale146 208 475 
Transmission 380 318 282 
Other revenue from contracts with customers(4)
19 24 17 
Total revenues from contracts with customers4,824 4,285 4,442 
ARP (4)
10 — — 
Other revenue unrelated to contracts with customers(3)
42 35 28 
Total Integrated $4,876 $4,320 $4,470 
Stand-Alone Transmission
ATSI $980 $967 $911 
TrAIL 269 279 270 
MAIT 436 394 340 
KATCo85 89 59 
Other (2)2 1 
Total revenues from contracts with customers1,768 1,731 1,581 
Other revenue unrelated to contracts with customers19 17 16 
Total Stand-Alone Transmission $1,787 $1,748 $1,597 
Corporate/Other, Eliminations and Reconciling Adjustments (5)
Wholesale$9 $11 $27 
Eliminations and reconciling adjustments (63)(63)(60)
Total Corporate/Other, Eliminations and Reconciling Adjustments$(54)$(52)$(33)
FirstEnergy Total Revenues $13,472 $12,870 $12,459 
(1) Includes approximately $58 million as of December 31, 2022 of customer refunds associated with the Ohio Stipulation that became effective in December 2021.
(2) Primarily includes amounts collected from customers to administer and repay securitization bonds and pole attachment revenue.
(3) Primarily includes late payment charges and revenue from FTRs.
(4) Related to lost distribution revenues associated with energy efficiency in New Jersey.
(5) Includes eliminations and reconciling adjustments of inter-segment revenues.
Schedule of Receivables from customers Billed and unbilled customer receivables as of December 31, 2024 and 2023, are included below.
As of December 31,
Customer Receivables20242023
 (In millions)
Billed(1)
$867 $717 
Unbilled718 665 
1,585 1,382 
Less: Uncollectible Reserve 55 64 
Total Customer Receivables $1,530 $1,318 
(1) Includes approximately $284 million and $288 million as of December 31, 2024 and 2023, respectively, that are past due by greater than 30 days.
Schedule of Activity in the allowance for uncollectible accounts on customer receivables
Activity in the allowance for uncollectible accounts on receivables for the years ended December 31, 2024, 2023 and 2022 are as follows:
(In millions)202420232022
Customer Receivables:
Beginning of year balance $64 $137 $159 
Charged to income(1)
73 8 59 
Charged to other accounts(2)
39 34 62 
Write-offs (121)(115)(143)
End of year balance $55 $64 $137 
Other Receivables:
Beginning of year balance$15 $11 $10 
Charged to income 1 7 4 
Charged to other accounts(2)
(5)(1)4 
Write-offs(5)(2)(7)
End of year balance$6 $15 $11 
(1) Customer receivable amounts charged (credited) to income for the years ended December 31, 2024, 2023, and 2022, include approximately $17 million, $(15) million, and $11 million, respectively, deferred for future recovery (refund).
(2) Represents recoveries and reinstatements of accounts previously written off for uncollectible accounts.