Overview
Walnut Avenue Substation is an operational electrical substation in the United States, owned and operated by Appalachian Power Company. It operates at 69 kV, serving the local grid.
Walnut Avenue Substation is an electrical substation located in the United States, owned and operated by Appalachian Power Company. The facility is currently operational and plays a role in the regional power distribution network. The substation operates at a voltage of 69 kV, which is typical for sub-transmission or distribution-level infrastructure in the United States. As part of the Appalachian Power system, it falls under the regulatory oversight of the Federal Energy Regulatory Commission (FERC) and must comply with North American Electric Reliability Corporation (NERC) reliability standards to ensure grid stability. The substation's location in the Roanoke, Virginia area places it within a region served by the PJM Interconnection, one of the largest regional transmission organizations in the U.S. Its role in stepping down voltage for local distribution supports residential, commercial, and industrial customers in the surrounding community.
Environmental context
The substation is located in a temperate climate zone in the Appalachian region, where seasonal weather variations can affect grid operations. Its urban or suburban setting means it is integrated into the local electrical infrastructure, with considerations for electromagnetic field management and noise mitigation. Typical substations of this voltage class are designed with oil-filled transformers and switchgear that require environmental safeguards against leaks.
Frequently asked questions
Walnut Avenue Substation is located in the United States, with coordinates approximately 37.258152, -79.938536, near Roanoke, Virginia.
Walnut Avenue Substation operates at 69 kV, which is a common voltage for sub-transmission and distribution substations in the United States.
Walnut Avenue Substation is owned and operated by Appalachian Power Company, a subsidiary of American Electric Power.
As part of the U.S. electrical grid, Walnut Avenue Substation must comply with NERC reliability standards and FERC regulations for transmission and distribution assets.
A 69 kV substation typically steps down higher transmission voltages for local distribution, serving industrial, commercial, and residential customers within a regional network.