FirstEnergy serves a diverse range of areas primarily in the Midwestern and Northeastern regions of the United States. Specifically, it operates subsidiaries providing electric utility services in states such as Ohio, Pennsylvania, New Jersey, Maryland, Virginia, and West Virginia. The company's service areas include both urban and rural locations, ensuring that millions of customers receive reliable electric service. Each subsidiary operates under its own brand name, tailoring services to meet the specific needs of its local communities. FirstEnergy is also involved in various energy solutions, including renewable energy initiatives, which may influence the regions it can serve with green energy options. For detailed information about specific service territories and availability, it may be beneficial to visit the current FirstEnergy website, where you can find updated resources and contact details. This will give you a clear understanding of the areas covered and available services.