Description

Pinnacle West Capital Corporation, primarily operating in Arizona through its subsidiary Arizona Public Service Company, supplies electricity to both retail and wholesale customers. The company handles the entire process of power delivery, from generating electricity using a mix of coal, nuclear, gas, oil, and solar facilities, to its subsequent transmission and distribution. Its extensive network features roughly 5,814 pole miles of overhead transmission lines and approximately 74 miles of underground lines. For local distribution, Pinnacle West maintains about 11,258 miles of overhead lines and a significant 22,821 miles of underground primary cable. Supporting this entire grid are 475 substations dedicated to both transmission and distribution. With approximately 6,323 megawatts of regulated generation capacity, either owned or leased, the corporation serves a substantial client base of around 1.3 million customers. Pinnacle West Capital Corporation was founded in 1985 and has its main offices located in Phoenix, Arizona.