South Lead Hill Substation - Arkansas Electrical Substation Operated by Entergy Arkansas

South Lead Hill Substation is an operational electrical substation located in Arkansas, United States. Owned by Entergy Arkansas, the facility plays a key role in the regional transmission and distribution network, stepping down high-voltage electricity for local distribution. The substation operates at two voltage levels: 161 kV for transmission and 34.5 kV for sub-transmission or distribution. As part of the U.S. electrical infrastructure, it falls under the regulatory oversight of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which enforce reliability standards for grid stability. Located in a rural area of Arkansas, the substation supports the electrical needs of surrounding communities and industries. Its operation is critical for maintaining grid reliability and integrating power from generation sources to end users. Entergy Arkansas, a major utility in the region, ensures compliance with NERC standards and local regulations.

The substation is situated in a rural area of Arkansas, characterized by forested hills and agricultural land. Its operation involves managing electromagnetic fields and potential impacts on local wildlife, though modern substations are designed to minimize ecological disruption. The facility's voltage levels indicate its role in the transmission grid, which can influence land use and habitat connectivity through right-of-way corridors.