Overview
Horn Lake Substation is an operational electrical substation in Mississippi, United States, owned by Entergy Mississippi. It handles multiple voltage levels including 230 kV, 161 kV, 115 kV, and 13.8 kV.
Horn Lake Substation is an operational electrical substation located in Mississippi, United States. Owned and operated by Entergy Mississippi, this facility plays a key role in the regional power grid. The substation handles multiple voltage levels, including 230 kV, 161 kV, 115 kV, and 13.8 kV, indicating its function as a transmission and distribution node. As part of the U.S. electrical infrastructure, Horn Lake Substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC). These bodies enforce reliability standards for transmission-level assets, ensuring grid stability and security. The substation's voltage levels suggest it connects high-voltage transmission lines to lower-voltage distribution networks, typical of a medium to large substation. The substation's location in Mississippi places it within the Entergy Mississippi service territory, which serves over 460,000 customers. Its operational status and voltage diversity indicate its importance for local grid reliability, supporting both urban and rural communities. The facility's role in voltage transformation and power distribution is critical for maintaining consistent electricity supply in the region.
Environmental context
The substation is situated in a region with a humid subtropical climate, characterized by hot summers and mild winters. Its location in Mississippi, an area prone to thunderstorms and hurricanes, necessitates robust infrastructure to withstand extreme weather events. The facility's voltage levels and grid criticality mean it must adhere to stringent NERC reliability standards to prevent outages that could impact local communities and industries.
Frequently asked questions
Horn Lake Substation is located in Mississippi, United States, at coordinates 34.967687, -90.018062. It is owned and operated by Entergy Mississippi.
Horn Lake Substation handles multiple voltage levels: 230 kV, 161 kV, 115 kV, and 13.8 kV. These voltages indicate its role in both high-voltage transmission and lower-voltage distribution.
Horn Lake Substation is owned and operated by Entergy Mississippi, a utility company serving customers in Mississippi.
As part of the U.S. electrical grid, Horn Lake Substation must comply with NERC reliability standards and FERC regulations for transmission-level assets. These standards ensure grid stability and security.
Substations like Horn Lake serve as nodes that step down high-voltage transmission power to lower voltages for distribution to homes and businesses. They also facilitate switching and protection of the grid.