FirstEnergy Corp.

FirstEnergy Corp. and its subsidiaries are primarily involved in the transmission, distribution, and generation of electricity. FirstEnergy operates one of the largest investor-owned electric systems in the nation, serving over six million customers across the Midwest and Mid-Atlantic regions. Its transmission operations include more than 24,000 miles of transmission lines and two regional transmission operation centers. MP and AGC control 3,610 MWs of total generation capacity. The company's regulated electric operating subsidiaries provide distribution services across approximately 65,000 square miles in Ohio, Pennsylvania, West Virginia, Maryland, New Jersey, and New York. This service area has a population of approximately 14 million and a total rate base of approximately $21.3 billion as of December 31, 2025. Specific subsidiaries include: - OE, an electric public utility in Ohio, serves approximately 1.1 million customers in central and northeastern Ohio, with a rate base of $2.0 billion as of December 31, 2025. OE has 1,013 employees and serves an area with a population of approximately 2.4 million. - CEI, an electric public utility in Ohio, serves approximately 0.8 million customers in northeastern Ohio, with a rate base of $1.7 billion as of December 31, 2025. CEI has 752 employees and serves an area with a population of approximately 1.7 million. - TE, an electric public utility in Ohio, serves approximately 0.3 million customers in northwestern Ohio, with a rate base of $0.5 billion as of December 31, 2025. TE has 281 employees and serves an area with a population of approximately 0.7 million. - FE PA, an electric public utility in Pennsylvania and New York, serves approximately 2.1 million customers in Pennsylvania and approximately 4,000 customers in Waverly, New York, with a rate base of $6.9 billion as of December 31, 2025. FE PA has 1,916 employees and serves an area with a population of approximately 4.5 million.