Pinnacle West Capital is a publicly traded utility holding company based in Phoenix, Arizona, primarily engaged in the generation, transmission, and distribution of electricity

The company operates through its principal subsidiary, Arizona Public Service Company (APS), which serves a substantial customer base throughout the state. Pinnacle West is committed to providing reliable and sustainable energy solutions, including investments in renewable energy sources and innovative grid technologies. The company is also focused on maintaining regulatory compliance while enhancing customer service and supporting community initiatives.