Overview
Shea Substation is an operational electrical substation in Arizona, United States, owned and operated by Arizona Public Service. It operates at a voltage of 69 kV, serving the local grid.
Shea 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. With a voltage level of 69 kV, it is classified as a medium-voltage substation, typical for distributing electricity to residential and commercial areas. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which set reliability standards for the bulk power system. As part of the Arizona grid, it adheres to protocols ensuring stable voltage and frequency control. The facility's equipment likely includes circuit breakers, transformers, and switchgear compliant with industry standards such as IEEE and ANSI. Shea Substation contributes to the electrical infrastructure of the Phoenix metropolitan area, supporting grid stability and reliability for local communities. Its location in a suburban setting underscores its role in meeting growing energy demands. The substation's operational status ensures continued service to the region, aligning with Arizona Public Service's commitment to delivering safe and reliable electricity.
Environmental context
The substation is situated in a semi-arid climate typical of the Southwestern United States, where high temperatures and low humidity influence equipment design and maintenance. Urban development in the surrounding area increases demand for reliable power, while the facility's voltage level and location require careful management of electromagnetic fields and noise. The substation's operation aligns with local environmental regulations, including those related to stormwater runoff and hazardous materials handling.
Frequently asked questions
Shea Substation is located in Arizona, United States, near the Phoenix metropolitan area. Its coordinates are approximately 33.5811° N, -111.7988° W.
Shea Substation is owned and operated by Arizona Public Service (APS), a major electric utility serving Arizona.
Shea Substation operates at a voltage of 69 kV (69,000 volts), which is typical for subtransmission and distribution substations.
As part of the U.S. bulk power system, Shea Substation must comply with NERC reliability standards and FERC regulations, ensuring grid stability and security.
A 69 kV substation steps down transmission-level voltage for distribution to local networks, serving residential, commercial, and industrial customers. It also provides switching and protection functions.