Overview
Bonsack Substation is an operational electrical substation in Virginia, United States, owned by Appalachian Power Company. It operates at 138 kV and 34.5 kV voltage levels, serving the local grid.
Bonsack Substation is an operational electrical substation located in Virginia, United States. Owned by Appalachian Power Company, the facility plays a key role in the regional power distribution network. The substation operates at voltage levels of 138 kV and 34.5 kV, indicating its function in both transmission and distribution. The substation is part of the Appalachian Power Company's infrastructure, which serves customers in Virginia, West Virginia, and Tennessee. As a substation, it facilitates voltage transformation and switching, ensuring reliable electricity supply to residential, commercial, and industrial users. The facility operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which set standards for grid reliability and market operations. Bonsack Substation contributes to the stability of the local electrical grid, supporting the growing energy demands of the Roanoke Valley region. Its location in a suburban area near Roanoke underscores its importance in serving both urban and rural customers. The substation's operational status ensures continued service to the community, aligning with the broader goals of grid modernization and resilience.
Environmental context
The substation is situated in a suburban area of Virginia, characterized by a mix of residential and commercial development. Its operation involves electromagnetic fields and potential noise, which are managed through standard mitigation practices. The facility's voltage levels and equipment age influence its environmental footprint, with modern switchgear reducing SF6 emissions. The surrounding ecosystem includes forested areas and streams, requiring careful stormwater management to prevent runoff impacts.
Frequently asked questions
Bonsack Substation is located in Virginia, United States, near the city of Roanoke. Its coordinates are approximately 37.3331° N, -79.8701° W.
Bonsack Substation operates at 138,000 volts (138 kV) and 34,500 volts (34.5 kV), indicating its role in both transmission and distribution of electricity.
Bonsack Substation is owned by Appalachian Power Company, a subsidiary of American Electric Power (AEP), which serves customers in Virginia, West Virginia, and Tennessee.
Substations in the United States must comply with NERC reliability standards for grid stability and FERC regulations for interstate electricity markets. Equipment often follows IEEE and ISO/IEC 61850 standards for automation.
Bonsack Substation is currently operational, meaning it is actively transforming voltage and switching power to support the local electrical grid.