Overview
APS Chaparral Substation is an operational electrical substation in Arizona, United States, owned and operated by Arizona Public Service. It operates at 69 kV, supporting regional grid stability.
APS Chaparral 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 regional power distribution network, stepping down transmission voltages for local delivery. The substation operates at a voltage of 69 kV, which is typical for sub-transmission and distribution-level infrastructure in the United States. As part of the Arizona Public Service system, it adheres to North American Electric Reliability Corporation (NERC) reliability standards and is subject to Federal Energy Regulatory Commission (FERC) oversight for grid reliability and market operations. Located in the arid Southwest, the substation supports electricity delivery to residential, commercial, and industrial customers in the Phoenix metropolitan area. Its operational status ensures continued grid resilience in a region with growing energy demand and significant solar generation integration.
Environmental context
The substation is situated in the Sonoran Desert climate of Arizona, where high summer temperatures and drought conditions can stress electrical infrastructure. The 69 kV voltage level indicates a distribution or sub-transmission role, with potential environmental considerations related to land use, electromagnetic fields, and vegetation management for fire risk mitigation.
Frequently asked questions
APS Chaparral Substation is located in Arizona, United States, at coordinates 33.581651, -111.920007.
APS Chaparral Substation operates at a voltage of 69 kV, which is typical for sub-transmission and distribution substations in the United States.
The substation is owned and operated by Arizona Public Service (APS), a major electric utility serving Arizona.
As part of the U.S. bulk power system, the substation must comply with NERC reliability standards and FERC regulations for grid stability and operational safety.
A 69 kV substation typically steps down transmission voltages for distribution to local networks, serving residential, commercial, and industrial customers while ensuring voltage regulation and grid reliability.