Overview
Poolesville Substation is an operational electrical substation in Virginia, United States, owned and operated by Dominion Energy. It operates at 230 kV, serving as a key node in the regional transmission grid.
Poolesville Substation is an operational electrical substation located in Virginia, United States. Owned and operated by Dominion Energy, the facility plays a role in the regional high-voltage transmission network. The substation operates at 230 kV, a standard voltage level for bulk power transmission in the United States. As part of Dominion Energy's infrastructure, Poolesville Substation is subject to regulatory oversight by the Federal Energy Regulatory Commission (FERC) and must comply with North American Electric Reliability Corporation (NERC) reliability standards. These standards ensure grid stability and security, including requirements for maintenance, cybersecurity, and operational planning. The 230 kV voltage level indicates the substation's function in transmitting electricity over moderate distances, connecting generation sources to distribution networks. The substation's location in Virginia places it within the PJM Interconnection, one of the largest regional transmission organizations in the U.S. This context underscores its role in maintaining reliable electricity supply for the region. Dominion Energy's ownership aligns with the company's extensive portfolio of generation, transmission, and distribution assets across the Mid-Atlantic and Southeast.
Environmental context
The substation's operation involves electromagnetic fields and potential impacts on local wildlife, particularly birds and vegetation near transmission lines. Standard mitigation measures include vegetation management and bird-safe design. The facility's rural or suburban setting in Virginia may influence land use considerations, but specific environmental data for this site is not detailed.
Frequently asked questions
Poolesville Substation is located in Virginia, United States, at coordinates 37.081144, -76.703455.
Poolesville Substation operates at 230 kV, a standard high-voltage level for transmission substations.
Poolesville Substation is owned and operated by Dominion Energy, a major utility company in the United States.
As part of the U.S. grid, Poolesville Substation must comply with NERC reliability standards and FERC regulations, ensuring grid stability and security.
A 230 kV substation steps down high-voltage electricity from transmission lines to lower voltages for distribution, or interconnects different parts of the transmission network.