Buttermilk Substation - 230 kV Transmission Substation in Virginia, United States

Buttermilk Substation is an operational electrical substation located in Virginia, United States. Owned and operated by Dominion Energy, the facility operates at a voltage level of 230 kV, classifying it as a high-voltage transmission substation that plays a critical role in the regional power grid. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which enforce reliability standards for bulk power systems. As a 230 kV facility, it is part of the high-voltage transmission network, typically connecting generation sources to load centers and ensuring grid stability. Dominion Energy, a major utility in the Mid-Atlantic and Southeast, maintains this substation as part of its extensive transmission infrastructure. Buttermilk Substation supports the electrical infrastructure of Northern Virginia, a region with high population density and significant commercial activity. Its location near major load centers enhances grid reliability and resilience. The substation's operational status and voltage level indicate its importance in maintaining stable electricity supply to surrounding communities and industries.

The substation is situated in a region with a mix of urban and suburban development, where electrical infrastructure must balance reliability with environmental considerations. High-voltage substations like this one are typically designed with minimal visual impact and incorporate measures to reduce electromagnetic fields. The surrounding area's growth places demands on the grid, making this facility essential for meeting local energy needs while adhering to environmental regulations.