Litchfield Park, Arizona United States
Arizona Public Service Company has 4,000 megawatts of generating capacity and is the largest electric utility company in the state of Arizona. Incorporated in 1952, the company has roots from 1884 with the Phoenix Light and Fuel Company. It now serves over one million customers throughout the state. Arizona Public Service Company provides electricity and operates three nuclear reactors, one of which is the largest nuclear plant in the country.