Overview
PEPCO Substation #124 is an operational electrical substation in Washington, D.C., owned by Potomac Electric Power Company. It operates at 138 kV, serving the local grid.
PEPCO Substation #124 is an operational electrical substation located in Washington, D.C., United States. Owned and operated by Potomac Electric Power Company, it is a key node in the regional transmission network, stepping down high-voltage electricity for distribution to residential and commercial customers. The substation operates at a voltage of 138 kV, a common transmission-level voltage in the United States. As part of the PJM Interconnection grid, it adheres to NERC reliability standards and FERC regulations, ensuring stable and secure power delivery. The facility likely includes modern switchgear and protection systems compliant with ISO/IEC 61850 standards for substation automation. Located in an urban setting, this substation supports the dense electrical load of the nation's capital. Its role in maintaining grid stability is critical, especially during peak demand periods. The facility contributes to the reliability of the local power supply, serving government buildings, businesses, and residences in the area.
Environmental context
Located in an urban environment, PEPCO Substation #124 operates within a densely populated area where electromagnetic fields and noise are managed through standard mitigation measures. The substation's 138 kV voltage level is typical for urban transmission, balancing efficiency with safety. Its presence supports the local grid's resilience, reducing transmission losses by bringing high-voltage power close to load centers.
Frequently asked questions
PEPCO Substation #124 is located in Washington, D.C., United States, at coordinates 38.907007, -77.048447.
PEPCO Substation #124 operates at 138 kV, a standard transmission voltage in the United States.
PEPCO Substation #124 is owned by Potomac Electric Power Company, a utility serving the Washington, D.C. area.
As part of the U.S. grid, PEPCO Substation #124 must comply with NERC reliability standards and FERC regulations for transmission assets.
A 138 kV substation steps down high-voltage electricity from transmission lines to lower voltages for distribution, ensuring reliable power delivery to urban areas.