DPL Inc. through its subsidiary The Dayton Power and Light Company is a public utility that sells electricity to residential, commercial, industrial, and governmental customers in a 6,000-square-mile (16,000 km2) area of West Central Ohio. The Dayton Power and Light Company engages in the generation, transmission, distribution, and sale of electricity to residential, commercial, industrial, and government customers. The company operates coal-fired steam generating stations, as well as solar, combustion turbine, and diesel peaking units. It generates and distributes electricity to approximately 500,000 retail customers covering 24 county service areas in west central Ohio. The company has an electricity generation capacity of approximately 3,261 megawatt. It also sells energy and capacity in the wholesale market. The Dayton Power and Light Company serves automotive, food processing, paper, plastic manufacturing, and defense industries. The company was founded in 1911 and is based in Dayton, Ohio. The Dayton Power and Light Company is a subsidiary of DPL Inc.