American Electric Power Company is an electric utility holding company that generates, transmits, and distributes electricity to retail and wholesale customers in the US. The company operates through Vertically Integrated Utilities, Transmission and Distribution Utilities, AEP Transmission Holdco, and Generation & Marketing segments, using various energy sources such as coal, natural gas, nuclear, hydro, solar, and wind. Established in 1906 and based in Columbus, Ohio, American Electric Power Company also supplies and markets power at wholesale to other electric utility companies, electric cooperatives, municipalities, and other participants in the energy market.