Overview
LR Gaines Substation is an operational electrical substation in Little Rock, Arkansas, owned and operated by Entergy Arkansas. It operates at 115 kV, serving the regional power grid.
LR Gaines Substation is an operational electrical substation located in Little Rock, Arkansas, United States. Owned and operated by Entergy Arkansas, the facility plays a key role in the regional transmission network, stepping down high-voltage electricity for distribution to local consumers. The substation's 115 kV voltage level places it within the sub-transmission or primary distribution category, typical for serving urban and suburban load centers. Operating under the jurisdiction of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), the substation adheres to mandatory reliability standards designed to ensure grid stability and security. Entergy Arkansas, a subsidiary of Entergy Corporation, manages a diverse portfolio of generation, transmission, and distribution assets across the state, with this substation contributing to the resilience of the local grid infrastructure. The substation's location in Little Rock, the state capital and largest city in Arkansas, underscores its importance in supporting the area's residential, commercial, and industrial electricity demand. As part of the broader Entergy transmission system, LR Gaines Substation helps maintain reliable power supply to thousands of customers, contributing to the region's economic activity and quality of life.
Environmental context
The substation is situated in an urban environment within Little Rock, a city with a humid subtropical climate. The surrounding area includes a mix of residential and commercial developments. Substations like LR Gaines are typically designed with minimal environmental footprint, using insulated switchgear and oil containment systems to prevent leaks. The 115 kV voltage level indicates a moderate scale of infrastructure, with standard environmental considerations for electromagnetic fields and noise mitigation in populated areas.
Frequently asked questions
LR Gaines Substation is located in Little Rock, Arkansas, United States, at coordinates 34.750544, -92.276622.
LR Gaines Substation is owned and operated by Entergy Arkansas, a major utility company serving the state of Arkansas.
LR Gaines Substation operates at a voltage of 115 kV, which is typical for sub-transmission and primary distribution substations.
As part of the US power grid, LR Gaines Substation must comply with NERC reliability standards and FERC regulations, ensuring grid stability and security.
Substations like LR Gaines step down high-voltage electricity from transmission lines to lower voltages for distribution to homes and businesses, playing a critical role in delivering reliable power.