Allegheny Energy agrees to change route of power line
2:05
Hearings Held For Proposed FirstEnergy, Allegheny Power Merger
2:17
Major Energy Company Withdrawing From Allegheny Conference
Allegheny Energy was an electric utility headquartered in Greensburg, Pennsylvania. It owned and operated electric generation facilities and delivered electric services to customers in Pennsylvania, West Virginia, Maryland, and Virginia. Allegheny Energy was incorporated in Maryland in 1925.
One of its predecessor companies dates back to the formation of West Penn Power on January 31, 1907.