Company Overview Visit pinnaclewest.com website
Pinnacle West Capital company is an American power company based in Phoenix, Arizona. It was founded in 2000 when Pinnacle West merged with Arizona Public Service Company, its primary subsidiary. The name refers to the geographical coordinates of the two parent cities at their merger: Phoenix and Tucson. Pinnacle West is also known as AZ Public Service (AZ Public) by the New York Stock Exchange and it trades under symbol: PNW.
The Company generates 98% of total energy output from gas-fired power plants and 2% from renewable sources such as solar and wind. Its largest shareholders include Warren Buffett's Berkshire Hathaway Inc., BlackRock, Vanguard Group and State Street Corp.
Pinnacle West invests solely in clean energy technologies such as renewable energy, energy efficiency, carbon capture and storage.