Overview
Gallman Substation is an operational electrical substation in Mississippi, United States, operated by Entergy Mississippi. It handles voltages of 115 kV and 13.86 kV, serving the local grid.
Gallman Substation is an operational electrical substation located in Mississippi, United States, and operated by Entergy Mississippi. The facility is part of the regional transmission and distribution network, stepping down high-voltage power for local distribution. The substation operates at voltage levels of 115 kV and 13.86 kV, typical for sub-transmission and distribution substations. It is regulated under the North American Electric Reliability Corporation (NERC) reliability standards and the Federal Energy Regulatory Commission (FERC) for interstate transmission. The facility uses conventional air-insulated switchgear, common for substations of this scale. As part of Entergy Mississippi's grid, Gallman Substation plays a key role in maintaining reliable electricity supply to the surrounding area. Its location in a rural part of Mississippi supports agricultural and residential loads, contributing to community resilience and economic activity.
Environmental context
The substation is located in a rural area of Mississippi, where the surrounding land is primarily agricultural. The facility's operation involves minimal direct environmental impact, though its role in grid stability is critical for local communities. The age and condition of switchgear can influence reliability and maintenance needs, but no specific environmental concerns are documented.
Frequently asked questions
Gallman Substation is located in Mississippi, United States, near coordinates 31.921525, -90.394262.
Gallman Substation operates at voltage levels of 115 kV and 13.86 kV, typical for sub-transmission and distribution substations.
Gallman Substation is operated by Entergy Mississippi, a major utility company serving the state.
As part of the U.S. electrical grid, Gallman Substation must comply with NERC reliability standards and FERC regulations for transmission-level assets.
Substations like Gallman step down high-voltage electricity from transmission lines to lower voltages for local distribution, ensuring safe and reliable power delivery to homes and businesses.