FirstEnergy Corporation operates several subsidiaries that play a significant role in delivering electricity across various regions. One such subsidiary is the FirstEnergy Pennsylvania Electric Company, known locally as Met-Ed, which has recently energized the Klecknersville Substation to serve over 5,000 residents and businesses in Northampton County, Pennsylvania. This development is part of the company's broader initiative, Energize365, a $28 billion investment program aimed at modernizing the electric grid from 2025 to 2029. Met-Ed serves approximately 592,000 customers within 3,300 square miles of eastern and southeastern Pennsylvania. Additionally, FirstEnergy's transmission subsidiaries manage around 24,000 miles of transmission lines connecting the Midwest and Mid-Atlantic regions, emphasizing the company's commitment to providing reliable and efficient power solutions.