PPL Corporation, a utility holding company, delivers electricity and natural gas in the United States and the United Kingdom. It operates through three segments: Kentucky Regulated, Pennsylvania Regulated, and Rhode Island Regulated. The company serves customers in Louisville and adjacent areas in Kentucky; electric customers in central, southeastern, and western Kentucky; and electric customers in five counties in southwestern Virginia. It also delivers electricity to customers in 29 counties within eastern and central Pennsylvania; and generates electricity from coal, gas, hydro, and solar sources in Kentucky; and sells wholesale electricity to two municipalities in Kentucky. The company was founded in 1920 and is headquartered in Allentown, Pennsylvania.