Overview
White Tanks Substation is an operational electrical substation in Arizona, United States, owned and operated by Arizona Public Service. It handles voltages of 230 kV and 69 kV, serving the regional grid.
White Tanks Substation is an operational electrical substation located in Arizona, United States. Owned and operated by Arizona Public Service, the facility plays a key role in the state's electrical infrastructure by stepping down transmission voltages for distribution. The substation operates at voltage levels of 230,000 volts (230 kV) and 69,000 volts (69 kV), typical for high-voltage transmission and sub-transmission applications. As part of the Arizona grid, it is subject to North American Electric Reliability Corporation (NERC) reliability standards and Federal Energy Regulatory Commission (FERC) oversight for transmission-level assets. Situated in the Phoenix metropolitan area, White Tanks Substation supports growing urban and suburban demand. Its location near major load centers enhances grid stability and reliability for residential, commercial, and industrial customers in the region.
Environmental context
The substation is located in the Sonoran Desert, an arid environment with high solar radiation and occasional dust storms. These conditions require robust insulation and maintenance practices to ensure reliable operation. The facility's urban-proximate setting means it supports dense population centers while minimizing land use through compact substation design.
Frequently asked questions
White Tanks Substation is located in Arizona, United States, near the Phoenix metropolitan area at coordinates 33.467154, -112.313022.
The substation operates at 230,000 volts (230 kV) and 69,000 volts (69 kV), serving both transmission and sub-transmission functions.
White Tanks Substation is owned and operated by Arizona Public Service, a major electric utility in Arizona.
As part of the U.S. bulk power system, the substation must comply with NERC reliability standards and FERC regulations for transmission-level assets.
Substations like White Tanks step down high transmission voltages to lower distribution voltages, enabling safe delivery of electricity to homes and businesses. They also provide switching and protection functions to maintain grid stability.