Overview
Sierra Vista Substation is an operational electrical substation in Arizona, United States, owned by Sulphur Springs Valley Electric Cooperative. It operates at 69 kV, serving the local grid.
Sierra Vista Substation is an operational electrical substation located in Arizona, United States. Owned by Sulphur Springs Valley Electric Cooperative, it plays a key role in distributing electricity to the surrounding region. The substation operates at a voltage of 69 kV, which is typical for sub-transmission and distribution-level infrastructure. As a substation under the jurisdiction of the United States, it operates within the framework of NERC reliability standards and FERC regulations for grid stability. The 69 kV voltage level places it in the medium-voltage category, commonly used for local distribution networks. The facility is situated in a rural area near Sierra Vista, supporting the electrical needs of the community. The substation's operational status ensures continued service to residential and commercial customers in the region. Its location in southeastern Arizona, a region with growing energy demand, underscores its importance in maintaining reliable power supply. The cooperative ownership model reflects a community-focused approach to electrical infrastructure.
Environmental context
The substation is located in a semi-arid region of Arizona, where high temperatures and seasonal monsoon rains can affect electrical equipment performance. The surrounding area includes desert ecosystems, and the substation's design likely incorporates measures to mitigate wildfire risks and heat-related stress on transformers. Its rural setting reduces direct environmental impact compared to urban substations.
Frequently asked questions
Sierra Vista Substation is located in Arizona, United States, near the city of Sierra Vista. Its coordinates are approximately 31.57° N, 110.29° W.
Sierra Vista Substation operates at a voltage of 69 kV, which is a common voltage for sub-transmission and distribution substations in the United States.
The substation is owned by Sulphur Springs Valley Electric Cooperative, a member-owned electric utility serving southeastern Arizona.
Substations in the United States must comply with NERC reliability standards for grid stability and FERC regulations for transmission-level assets. Additionally, equipment often follows IEEE and ANSI standards.
A 69 kV substation typically steps down voltage from higher transmission levels (e.g., 115 kV or 230 kV) for distribution to local networks, serving industrial, commercial, and residential customers.