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10-K primary document
FE · Annual Report (Form 10-K) · Filed February 18, 2026

Firstenergy Corp10-K exhibit

exhibit21-q42025xfe.htm
Document
EXHIBIT 21
FIRSTENERGY CORP.
LIST OF SUBSIDIARIES OF THE REGISTRANT
As of
December 31, 2025
 
 
FirstEnergy Service Company - Incorporated in Ohio
FirstEnergy Pennsylvania Holding Company - Incorporated in Pennsylvania
FirstEnergy Transmission, LLC - Organized in Delaware
FirstEnergy Ventures Corp. - Incorporated in Ohio
Jersey Central Power & Light Company - Incorporated in New Jersey
Monongahela Power Company - Incorporated in Ohio
Ohio Edison Company - Incorporated in Ohio
The Cleveland Electric Illuminating Company - Incorporated in Ohio
The Potomac Edison Company - Incorporated in Maryland
The Toledo Edison Company - Incorporated in Ohio

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