Union Switching Station - Amtrak Electrical Substation in Washington, D.C.

Union Switching Station is an electrical substation located in Washington, D.C., United States. Owned and operated by Amtrak, the facility is part of the critical infrastructure supporting the nation's passenger rail network. The substation operates at a voltage of 138 kV, classifying it as a medium-voltage transmission asset. As a substation within the U.S. electrical grid, Union Switching Station is subject to reliability standards set by the North American Electric Reliability Corporation (NERC) and regulated by the Federal Energy Regulatory Commission (FERC) for its role in bulk power transmission. The facility likely employs modern switchgear and automation systems compliant with industry standards such as IEEE C37 for substation equipment. The substation plays a key role in ensuring reliable power supply to Amtrak's operations in the Washington, D.C. area, including Union Station and associated rail services. Its urban location underscores its importance for maintaining grid stability in a densely populated region with high electricity demand.

Located in an urban environment in Washington, D.C., the substation operates within a densely built area with high electricity demand. The facility's 138 kV voltage level places it in a medium-voltage category, balancing transmission efficiency with urban footprint constraints. Its proximity to rail infrastructure means it supports electrified transport, contributing to reduced emissions compared to diesel alternatives.