Pinnacle West Capital

Pinnacle West Capital Corporation is a holding company that operates primarily through its subsidiary, Arizona Public Service Company (APS), which offers retail and wholesale electric services across most of Arizona. The company generates, transmits, and distributes electricity utilizing a mix of coal, nuclear, gas, oil, and solar energy sources. APS manages an extensive network of transmission and distribution facilities, including over 6,192 miles of overhead lines and approximately 22,092 miles of underground primary cable. Serving around 1.3 million customers, Pinnacle West is equipped with approximately 6,316 megawatts of regulated generation capacity. The company was founded in 1985 and is headquartered in Phoenix, Arizona.