Arizona Public Service

Arizona Public Service

Arizona Public Service Company is the largest electric utility, and the highest tax payer in Arizona, USA, and the principal subsidiary of publicly traded S&P 500 member Pinnacle West Capital Corporation (NYSE: PNW), which in turn had been formerly named AZP Group, when Arizona Public Service reorganized as that holding company in 1985.

With 4,000 MW of generating capacity, APS serves more than one million customers in 11 counties throughout most of the state, but mainly concentrated in northern and central Arizona.APS is one of the two suppliers of electricity to the Phoenix metropolitan area (the other being Salt River Project).

APS is regulated by the Arizona Corporation Commission (ACC), the state agency that regulates all energy utilities in Arizona.

The holding company, Pinnacle West Capital, through its APS utility sells wholesale and retail power to the wider western United States and also provides energy-related services. Through another major subsidiary, Pinnacle West, it also develops and manages real estate in Arizona.

The utility company also operates three nuclear reactors. Its Palo Verde Nuclear Generating Station in Arizona, the largest nuclear plant in the U.S., came under scrutiny by the Nuclear Regulatory Commission in 2005 when operational problems began to cause prolonged outages.

Read more about Arizona Public Service:  History, Service Territory, Major Power Outage

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