Overview
Benton South Substation is an operational electrical substation in Arkansas, United States, operated by Entergy Arkansas. It handles voltages of 115 kV and 13.86 kV, serving the local grid.
Benton South Substation is an operational electrical substation located in Arkansas, United States. Owned and operated by Entergy Arkansas, it is a key node in the regional power transmission and distribution network. The substation's voltage levels of 115 kV and 13.86 kV indicate it serves both transmission and distribution functions, typical for a medium-scale substation supporting urban and suburban loads. As part of the U.S. electrical infrastructure, Benton South 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 the bulk power system, including substation automation and protection systems compliant with IEEE and IEC standards. Entergy Arkansas, as a regulated utility, adheres to these standards to ensure grid stability and safety. The substation plays a critical role in delivering electricity to the Benton area, supporting residential, commercial, and industrial customers. Its location in central Arkansas places it within a region experiencing steady growth, making its reliable operation essential for local economic activity and community well-being. The facility's dual voltage capability allows it to efficiently step down power from high-voltage transmission lines to lower-voltage distribution networks.
Environmental context
The substation is situated in a mixed urban and rural landscape in central Arkansas, where the local climate includes hot summers and mild winters, influencing peak electricity demand patterns. The surrounding area features a mix of residential developments and light industry, with proximity to the Ouachita River basin. Substations like Benton South are designed to minimize environmental impact through proper oil containment and noise mitigation, though electromagnetic fields are a consideration for nearby land use.
Frequently asked questions
Benton South Substation is located in Arkansas, United States, near the city of Benton. Its coordinates are approximately 34.5482 N, -92.5892 W.
Benton South Substation operates at two voltage levels: 115,000 volts (115 kV) for transmission and 13,860 volts (13.86 kV) for distribution, allowing it to connect high-voltage lines to local distribution networks.
Benton South Substation is owned and operated by Entergy Arkansas, a subsidiary of Entergy Corporation, which provides electricity to customers in Arkansas.
In the United States, substations must comply with NERC reliability standards for the bulk power system and FERC regulations. Additionally, substation automation often follows IEEE and IEC 61850 standards for communication and control.
Substations transform voltage levels, switch circuits, and protect the grid. They are critical for stepping down high transmission voltages to lower distribution voltages for safe delivery to homes and businesses.