
Pinnacle West Capital Corporation (PNW), headquartered in Phoenix, Arizona, provides retail and wholesale electric services to its customers. Valued at $10.6 billion by market cap, the company offers retail and wholesale electric service to most of the State of Arizona. PNW is also involved in real estate development activities in the western U.S.
Shares of this utility holding company have underperformed the broader market over the past year. PNW has declined 3% over this time frame, while the broader S&P 500 Index ($SPX) has rallied nearly 13.7%. In 2025, PNW’s stock rose 5.2%, compared to the SPX’s 13.4% rise on a YTD basis.