Overview
Toaping Castle Substation is an operational electrical substation in Maryland, United States, owned and operated by Potomac Electric Power Company (Pepco). It plays a key role in the regional power grid.
Toaping Castle Substation is an electrical substation located in Maryland, United States, owned and operated by Potomac Electric Power Company (Pepco). As part of the Pepco transmission system, it serves the Washington, D.C. metropolitan area, contributing to grid stability and reliability for a densely populated region. 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. While specific voltage levels are not disclosed, substations of this type typically handle transmission-level voltages (115 kV to 230 kV) to distribute electricity from high-voltage lines to local distribution networks. Toaping Castle Substation supports the electrical infrastructure of a major urban corridor, ensuring power delivery to residential, commercial, and industrial customers. Its location in a suburban area near Washington, D.C., underscores its importance in maintaining grid resilience and meeting growing energy demands in the region.
Environmental context
The substation is situated in a suburban area of Maryland, within the Chesapeake Bay watershed. Electrical infrastructure in this region must comply with environmental regulations to minimize impacts on local ecosystems, including stormwater management and electromagnetic field considerations. The facility's operational practices align with state and federal guidelines to protect surrounding habitats.
Frequently asked questions
Toaping Castle Substation is located in Maryland, United States, near the Washington, D.C. metropolitan area, at coordinates 38.996348, -76.891014.
Toaping Castle Substation is owned and operated by Potomac Electric Power Company (Pepco), a utility serving the Washington, D.C. region.
Substations like Toaping Castle transform voltage levels and switch electrical circuits to ensure reliable power distribution from transmission lines to local distribution networks.
The substation operates under NERC reliability standards and FERC regulations, which mandate grid stability, cybersecurity, and maintenance protocols for US bulk power systems.
As part of Pepco's transmission network, it helps balance load and supply in the Washington, D.C. area, supporting emergency response and peak demand management.