Headquartered in Akron, Ohio, FirstEnergy includes one of the nation''s largest investor-owned electric systems, more than 24,000 miles of transmission lines that connect the Midwest and Mid-Atlantic regions, and a regulated generating fleet with a total capacity of more than 3,500 megawatts. Supporting OH Operations through data analysis including outage projects, circuit lockouts, frequent device interruptions (DEMI), customers experiencing multiple interruptions (CEMI), and worst performing circuits (WPC).