Overview
South Harrington Substation is an operational electrical substation in Delaware, United States, owned and operated by Delmarva Power. It handles voltages of 138 kV and 69 kV, serving the local grid.
South Harrington Substation is an operational electrical substation located in Delaware, United States. Owned and operated by Delmarva Power, it is a key node in the regional transmission and distribution network, handling primary voltages of 138 kV and 69 kV. The substation's location in a rural area of Delaware supports electricity distribution to surrounding communities and agricultural areas. As part of the U.S. electrical infrastructure, South Harrington Substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC). The substation's dual voltage levels indicate its role in both transmission (138 kV) and sub-transmission (69 kV) functions, typical for facilities that step down power for local distribution. Delmarva Power, a subsidiary of Exelon, serves customers in Delaware, Maryland, and Virginia, and this substation is integral to maintaining grid stability in the Delmarva Peninsula. The substation's operational status and voltage capacity contribute to the reliability of the regional grid, supporting residential, commercial, and industrial loads. Its location in a rural area underscores the importance of substations in extending electrical infrastructure to less densely populated regions, ensuring equitable access to power. The facility's design and maintenance align with NERC reliability standards to minimize outage risks and enhance system resilience.
Environmental context
The substation is situated in a rural area of Delaware, characterized by agricultural land and scattered residential developments. The environmental context includes potential impacts on local wildlife and habitats from electromagnetic fields and land use, though substations typically have a small footprint. The facility's operation supports the integration of renewable energy sources, such as solar farms, which are increasingly common in the region, contributing to grid decarbonization.
Frequently asked questions
South Harrington Substation is located in Delaware, United States, near the town of Harrington. Its coordinates are approximately 38.894038 N, -75.579272 W.
South Harrington Substation handles two voltage levels: 138 kV (kilovolts) for transmission and 69 kV for sub-transmission or distribution, allowing it to step down power for local use.
South Harrington Substation is owned and operated by Delmarva Power, a utility company serving customers in Delaware, Maryland, and Virginia.
Substations in the United States must comply with NERC reliability standards for grid stability and FERC regulations for interstate transmission. These standards cover equipment maintenance, cybersecurity, and operational protocols.
South Harrington Substation plays a critical role in distributing electricity to rural and suburban areas in Delaware, supporting residential, agricultural, and commercial loads. It also helps integrate renewable energy sources like solar power into the grid.