Overview
Elmont Substation is an operational electrical substation in Virginia, United States, owned by Virginia Electric and Power Company. It operates at 500 kV, serving as a critical node in the regional transmission grid.
Elmont Substation is a high-voltage electrical substation located in Virginia, United States. Owned and operated by Virginia Electric and Power Company (a Dominion Energy subsidiary), this facility is a key component of the regional transmission infrastructure, handling voltages of 500 kV. The substation operates under the regulatory oversight of the Federal Energy Regulatory Commission (FERC) and adheres to North American Electric Reliability Corporation (NERC) reliability standards. As a 500 kV facility, it is classified as a bulk electric system asset, requiring compliance with critical infrastructure protection (CIP) standards. The substation likely employs modern switchgear and automation systems consistent with ISO/IEC 61850 standards for substation automation. Elmont Substation plays a vital role in maintaining grid stability and reliability for the surrounding region. Its high-voltage capacity supports the transmission of electricity from generation sources to distribution networks, serving residential, commercial, and industrial customers. The facility's operational status ensures continued power delivery to the local community and contributes to the overall resilience of the Eastern Interconnection.
Environmental context
The substation is situated in a region with a mix of urban and rural areas, typical of central Virginia. The 500 kV voltage level indicates its criticality to the grid, as such high-voltage lines are essential for long-distance power transmission. The facility's location near transportation corridors and residential zones requires careful management of electromagnetic fields and noise. Vegetation management around transmission lines helps prevent outages and reduces wildfire risk.
Frequently asked questions
Elmont Substation is located in Virginia, United States, at coordinates 37.697569, -77.484538.
Elmont Substation is owned by Virginia Electric and Power Company, a subsidiary of Dominion Energy, which also operates the facility.
Elmont Substation operates at 500 kV, making it a high-voltage substation critical for bulk power transmission.
As part of the U.S. bulk electric system, Elmont Substation must comply with NERC reliability standards and FERC regulations, including critical infrastructure protection (CIP) requirements.
A 500 kV substation steps down transmission voltage for distribution or interconnects high-voltage lines, ensuring grid stability and reliable power delivery to large areas.