Overview
L.R. East Substation is an operational electrical substation in Arkansas, United States, owned and operated by Entergy Arkansas. It handles voltages of 115 kV and 14.4 kV, serving the local grid.
L.R. East Substation is an operational electrical substation located in Arkansas, United States, owned and operated by Entergy Arkansas. As a substation, it plays a critical role in stepping down transmission-level voltages for distribution to residential and commercial customers. The facility is part of Entergy Arkansas's network, which serves over 700,000 customers across the state. The substation operates at two voltage levels: 115,000 volts (115 kV) for transmission and 14,400 volts (14.4 kV) for distribution. This dual-voltage configuration is typical for substations that connect high-voltage transmission lines to lower-voltage distribution networks. In the United States, substations like L.R. East are regulated by the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), ensuring grid reliability and compliance with standards such as NERC's Critical Infrastructure Protection (CIP) requirements. Located in central Arkansas, L.R. East Substation supports the electrical infrastructure of the region, contributing to grid stability and power delivery for homes, businesses, and industrial facilities. Its operational status ensures continued service to the local community, and its integration into Entergy Arkansas's system highlights its role in the broader regional power network.
Environmental context
The substation is situated in a region with a humid subtropical climate, which can lead to heat and humidity stress on electrical equipment. Its location in central Arkansas places it within an area prone to severe thunderstorms and occasional tornadoes, necessitating robust infrastructure design and maintenance. The facility's voltage levels indicate it serves both urban and rural areas, with potential environmental considerations related to electromagnetic fields and land use around the substation site.
Frequently asked questions
L.R. East Substation is located in Arkansas, United States, at coordinates 34.732841, -92.252969. It is owned and operated by Entergy Arkansas.
L.R. East Substation operates at two voltage levels: 115,000 volts (115 kV) for transmission and 14,400 volts (14.4 kV) for distribution, typical for substations connecting high-voltage lines to local distribution networks.
L.R. East Substation is owned and operated by Entergy Arkansas, a utility company serving over 700,000 customers in Arkansas.
In the United States, substations are regulated by NERC reliability standards and FERC regulations. Compliance with NERC CIP standards ensures cybersecurity and physical security of critical infrastructure.
L.R. East Substation steps down high-voltage transmission power to lower voltages for distribution, ensuring reliable electricity supply to homes, businesses, and industries in central Arkansas.