About Pinnacle west capital corporation

About company

Pinnacle West Capital Corporation (Pinnacle West) is a holding company that conducts business through its subsidiaries. Pinnacle West derives its revenues and earnings from its wholly-owned subsidiary, Arizona Public Service Company (APS). APS is a vertically-integrated electric utility that provides either retail or wholesale electric service to most of the State of Arizona. It was founded in 1985 and headquartered in Phoenix, Arizona.