1 unchanged sentence
The outstanding debt under the FMBs of specific FE PA predecessors (WP and Penn) were assumed by FE PA in connection with the PA Consolidation.
−Removed: See Note 12, "Capitalization," of the Notes to Consolidated Financial Statements for information concerning financing encumbrances affecting certain of the Electric Companies' properties.
+Added: See Note 11., "Capitalization," of the Combined Notes to Financial Statements of the Registrants for information concerning financing encumbrances affecting certain of the Electric Companies' properties.
FirstEnergy controls the following generation sources as of December 31, 2025, shown in the table below, and operates in the PJM Region.
−Removed: Except for the OVEC participation referenced in the footnotes to the table, the Integrated segment generating units are owned by MP.
−Removed: Plant (Location) Unit Total Corporate / Other Integrated Total Corporate / Other Integrated
−Removed: Net Maximum Capacity (MW) Net Generation for the year ended December 31, 2024 (3)
+Added: Except for the OVEC participation referenced in the footnotes to the table, the Integrated segment's electric generation facilities are owned by MP.
+Added: Electric Generation Facility (Location) Unit Total Corporate / Other Integrated Total Corporate / Other Integrated
+Added: Generation Capacity (MW) Net Generation for the year ended December 31, 2025 (3)
(Thousand MWh)
9 unchanged sentences
Rivesville Solar (Rivesville, WV) 5 — 5 8 — 8
+Added: Marlowe Solar (Marlowe, WV) 6 — 6 8 — 8
30 — 30 41 — 41
3 unchanged sentences
The station is operated by VEPCO.
−Removed: (3) Each plant is net of station use, except for Bath County, which is shown gross of pumping usage.
+Added: (3) Each facility is net of station use, except for Bath County, which is shown gross of pumping usage.
MP and PE are constructing 50 MWs of solar generation at five sites in West Virginia.
The WVPSC approved the construction of three of the five solar sites.
−Removed: The first solar generation site, Fort Martin Solar, located in Maidsville, West Virginia, was completed and placed in-service on January 8, 2024, representing 19 MWs of capacity.
−Removed: The second solar generation site, Rivesville Solar, located in Rivesville, West Virginia, went into service on September 25, 2024.
−Removed: Construction of the remaining three sites, once completed, are expected to provide 26 MWs of additional net maximum generation capacity.
+Added: Two of the five solar generation sites, Rivesville Solar and Fort Martin Solar, went into service in 2024, and the third, Marlowe Solar, went into service in April 2025, representing a total of 30 MWs of generation capacity.
+Added: On October 1, 2025, MP and PE filed their integrated resource plan with the WVPSC, which contemplated the addition of 70 MWs of solar generation by 2028, and 1,200 MWs of natural gas combined cycle generation by 2031 and on February 13, 2026, MP and PE filed a request for a CPCN with the WVPSC to construct and operate the same.
+Added: See “Outlook – State Regulation – West Virginia" in Item 7., "Management's Discussion and Analysis of Financial Condition and Results of Operations" for additional details.
As of December 31, 2025, FirstEnergy’s distribution and transmission circuit miles are located in PJM and were as follows:
5 unchanged sentences
(1) Includes overhead pole line and underground conduit carrying primary, secondary and street lighting circuits.
−Removed: (2) On January 1, 2024, FirstEnergy consolidated the Pennsylvania Companies into FE PA, making it a new, single operating entity.
−Removed: (3) On January 1, 2024, WP's Pennsylvania-based transmission assets of 115 kV and above were transferred to KATCo, while the remaining transmission assets below 115 kV continue to be held by FE PA.
+Added: (2) On January 1, 2024, WP's Pennsylvania-based transmission assets of 115 kV and above were transferred to KATCo, while the remaining transmission assets continue to be held by FE PA and are included in distribution ratemaking.
LEGAL PROCEEDINGS
−Removed: Reference is made to Note 14, "Regulatory Matters," and Note 15, "Commitments, Guarantees and Contingencies," of the Notes to Consolidated Financial Statements for a description of certain legal proceedings involving FirstEnergy.
+Added: Reference is made to Note 13., "Regulatory Matters," and Note 14., "Commitments, Guarantees and Contingencies," of the Combined Notes to Financial Statements of the Registrants for a description of certain legal proceedings involving the Registrants.
MINE SAFETY DISCLOSURES
1 unchanged sentence
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.