Overview
Coles Substation is an operational electrical substation in Virginia, United States, operated by Northern Virginia Electric Cooperative. It operates at 115 kV, serving the local grid.
Coles Substation is an operational electrical substation located in Virginia, United States. It is owned and operated by Northern Virginia Electric Cooperative (NOVEC), a member-owned utility serving the region. The substation operates at a voltage of 115 kV, classifying it as a sub-transmission or distribution-level facility within the broader electrical infrastructure. As a 115 kV substation, Coles Substation plays a role in stepping down higher transmission voltages for local distribution. The facility is subject to North American Electric Reliability Corporation (NERC) reliability standards and Federal Energy Regulatory Commission (FERC) regulations for grid stability. In Virginia, substations like this are integral to maintaining reliable power supply to residential and commercial customers, particularly in growing suburban areas. The substation's location in northern Virginia places it within a region experiencing significant population and economic growth, increasing demand for reliable electricity. NOVEC's infrastructure supports the local community by ensuring voltage regulation and fault isolation. The facility's operational status contributes to the resilience of the regional grid, which is part of the PJM Interconnection, one of the largest electricity markets in the world.
Environmental context
The substation is located in a suburban area of northern Virginia, characterized by mixed residential and commercial land use. The region's climate includes hot summers and mild winters, which can influence peak electricity demand for cooling and heating. Substations like Coles are typically designed with minimal environmental footprint, using insulated switchgear and oil containment systems to prevent contamination. The surrounding area may include green spaces and water bodies, but the substation itself is a compact industrial site with low direct ecological impact.
Frequently asked questions
Coles Substation is located in Virginia, United States, at coordinates 38.681347, -77.442243. It is operated by Northern Virginia Electric Cooperative.
Coles Substation operates at 115 kV, which is a common voltage level for sub-transmission and distribution substations in the United States.
Coles Substation is owned and operated by Northern Virginia Electric Cooperative (NOVEC), a member-owned utility serving northern Virginia.
As part of the U.S. electrical grid, Coles Substation must comply with NERC reliability standards and FERC regulations. It is also subject to state-level utility regulations in Virginia.
A 115 kV substation typically steps down transmission voltage for local distribution, ensuring reliable power delivery to residential, commercial, and industrial customers. It also provides voltage regulation and fault protection.