XML 61 R45.htm IDEA: XBRL DOCUMENT
v3.25.0.1

REGULATORY MATTERS (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Regulated Operations [Abstract] |
Schedule of Distribution Rate Orders | The following table summarizes the key terms of state base rate orders in effect for the Electric Companies as of December 31, 2024:
Company |  | Rates Effective For Customers |  | Allowed Debt/Equity |  | Allowed ROE
CEI |  | May 2009 |  | 51%/ 49% |  | 10.5%
FE PA(1) |  | January 2017 |  | Settled(2) |  | Settled(2)
MP |  | March 2024 |  | Settled(2) |  | 9.8%
JCP&L |  | June 2024 |  | 48.1% / 51.9% |  | 9.6%
OE |  | January 2009 |  | 51% /49% |  | 10.5%
PE (West Virginia) |  | March 2024 |  | Settled(2) |  | 9.8%
PE (Maryland) |  | October 2023 |  | 47% / 53% |  | 9.5%
TE |  | January 2009 |  | 51% / 49% |  | 10.5%
(1) As further discussed below, new rates became effective for customers on January 1, 2025, and did not disclose allowed debt/equity and ROE rates. (2) Commission-approved settlement agreements did not disclose allowed debt/equity and/or ROE rates. The following table summarizes the key terms of FERC rate orders in effect for transmission customer billings for FirstEnergy's transmission owner entities as of December 31, 2024:
Company |  | Rates Effective |  | Capital Structure |  | Allowed ROE
ATSI |  | January 2015 |  | Actual (13-month average) |  | 9.88%(1)
JCP&L |  | January 2020 |  | Actual (13-month average) |  | 10.20%
MP |  | January 2021 |  | Lower of Actual (13-month average) or 56% equity |  | 10.45%
PE |  | January 2021 |  | Lower of Actual (13-month average) or 56% equity |  | 10.45%
KATCo(2) |  | January 2021 |  | Hypothetical 49.3% equity(3) |  | 10.45%
MAIT |  | July 2017 |  | Lower of Actual (13-month average) or 60% equity |  | 10.3%
TrAIL |  | July 2008 |  | Actual (year-end) |  | 12.7%(4) / 11.7%(5)
(1) Reflects a 0.5% reduction to the 10.38% approved ROE due to the January 2025 Sixth Circuit ruling eliminating the 50 basis point adder associated with RTO membership (see Transmission ROE Incentive: OCC v. ATSI, et al.) (2) On January 1, 2024, WP transferred certain of its Pennsylvania-based transmission assets to KATCo (3) Hypothetical capital structure will convert to an actual (13-month average) in January 2027 (4) TrAIL the Line and Black Oak Static Var Compensator (5) All other projects

X
- Definition Tabular disclosure of regulation for public utility entities, including, but not limited to, rate requests, decommissioning costs and the amount of allowance for earnings on equity capitalized for rate making purposes. + References No definition available. + Details
Name: | us-gaap_PublicUtilitiesGeneralDisclosuresTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_RegulatedOperationsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration