Overview
South Union Substation is an operational electrical substation in Pennsylvania, United States, owned and operated by West Penn Power. It operates at a voltage of 138 kV, serving the local grid.
South Union Substation is an operational electrical substation located in Pennsylvania, United States. Owned and operated by West Penn Power, the facility plays a key role in the regional transmission and distribution network. With a voltage level of 138 kV, it is classified as a medium-voltage substation, typical for sub-transmission and distribution applications in the area. 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. West Penn Power, a subsidiary of FirstEnergy, adheres to these standards to ensure grid stability and safety. The facility's equipment likely includes circuit breakers, transformers, and switchgear compliant with industry standards such as IEEE and ANSI. As part of the Pennsylvania electrical infrastructure, South Union Substation contributes to reliable electricity supply for residential, commercial, and industrial customers in the region. Its location in a rural area underscores its role in connecting local distribution networks to the broader transmission grid, supporting community energy needs and economic activity.
Environmental context
The substation is situated in a rural area of Pennsylvania, where the surrounding landscape includes agricultural fields and forested patches. The local environment is typical of the Appalachian region, with moderate climate and seasonal variations. Electrical infrastructure like this substation is designed to minimize environmental impact through proper siting and maintenance practices, including vegetation management and oil containment for transformers.
Frequently asked questions
South Union Substation is located in Pennsylvania, United States, near coordinates 39.858202, -79.762161. It is in a rural area of Fayette County.
South Union Substation operates at a voltage of 138 kV, which is a common sub-transmission voltage level in the United States.
The substation is owned and operated by West Penn Power, a subsidiary of FirstEnergy Corporation.
Substations in the United States must comply with NERC reliability standards and FERC regulations. Additionally, equipment often follows IEEE and ANSI standards for safety and interoperability.
A 138 kV substation typically serves as a sub-transmission facility, stepping down voltage from higher transmission levels (e.g., 230 kV or 500 kV) for distribution to local networks. It helps ensure reliable power delivery to communities and industries.