Moorefield Substation - Entergy Arkansas Electrical Substation in Arkansas, US

Moorefield Substation is an operational electrical substation located in Arkansas, United States. Owned and operated by Entergy Arkansas, this facility plays a key role in the regional transmission and distribution network, stepping down high-voltage electricity for local distribution. The substation operates at voltage levels of 161,000 volts (161 kV) for transmission and 13,860 volts (13.86 kV) for distribution, typical of medium-to-large substations in the US. As part of the Entergy Arkansas grid, it is subject to NERC reliability standards and FERC regulations, ensuring stable and secure power delivery. This substation supports the electrical infrastructure of rural and suburban areas in Arkansas, contributing to grid stability and community energy needs. Its operational status indicates ongoing service to the local power network, essential for residential, commercial, and industrial consumers in the region.

The substation is located in a rural area of Arkansas, where the surrounding landscape includes agricultural fields and woodlands. Electrical infrastructure like this can impact local wildlife through electromagnetic fields and habitat fragmentation, though modern designs often mitigate such effects. The site's proximity to natural areas underscores the importance of responsible siting and maintenance practices.