FirstEnergy Corp., through its subsidiaries, generates, transmits, and distributes electricity in the United States. The company operates through Regulated Distribution, Regulated Transmission, and Competitive Energy Services segments. It owns and operates fossil, coal-fired, nuclear, oil and natural gas, wind and solar power, and hydroelectric generating facilities. The company also provides energy-related products and services to wholesale and retail customers. The company’s electric distribution system comprises 267,880 miles of overhead pole line and underground conduit carrying primary, secondary, and street lighting circuits; and owns substations with a total installed transformer capacity of approximately 154,635,024 kilovolt-amperes. It serves approximately 13.5 million customers within 65,000 square miles in Ohio, Pennsylvania, West Virginia, Maryland, New Jersey, and New York. FirstEnergy Corp. was founded in 1996 and is based in Akron, Ohio.