Rosslyn Substation - Dominion Energy 69 kV Substation in Arlington, Virginia

Rosslyn Substation is an operational electrical substation located in Arlington, Virginia, United States. Owned and operated by Dominion Energy, the facility plays a key role in the regional power distribution network. As a 69 kV substation, it falls within the medium-voltage range typical for urban distribution substations. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which set reliability standards for the bulk power system. Dominion Energy, a major utility in the Mid-Atlantic, ensures compliance with these standards. The facility's voltage level and urban location indicate its importance for local grid stability and power delivery to residential and commercial customers. Rosslyn Substation supports the electrical infrastructure of the Arlington area, a densely populated urban region near Washington, D.C. Its operational status and connection to the broader transmission network contribute to reliable electricity supply for the community. The substation's role in voltage regulation and load balancing is critical for maintaining grid resilience in this metropolitan area.

Located in an urban setting, Rosslyn Substation operates within a densely populated area with high electricity demand. The facility's 69 kV voltage level is typical for distribution substations that step down power for local use. Urban substations like this one are designed with compact layouts and may include noise mitigation and oil containment systems to minimize environmental impact. The surrounding area's infrastructure and land use are shaped by the need for reliable electrical service.