Overview
Sherrill Post Office is an operational substation in Arkansas, United States, owned and operated by Entergy Arkansas. It operates at voltage levels of 115 kV and 13.86 kV, serving the local grid.
Sherrill Post Office is a 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 to distribution levels for local consumption. The facility is operational and is part of the broader electrical infrastructure managed by Entergy, a major utility in the region. The substation operates at voltage levels of 115 kV and 13.86 kV, indicating it serves as a transmission-to-distribution interface. In the United States, such substations are subject to NERC reliability standards and FERC regulation for grid stability. The 115 kV level is typical for subtransmission or distribution substations, while 13.86 kV is a common distribution voltage. The facility's location in Arkansas places it within the Entergy service territory, which covers parts of the southern U.S. Environmental and operational significance of this substation includes its role in maintaining grid reliability for the surrounding area. Substations like this one are essential for voltage regulation and power distribution, supporting residential, commercial, and industrial customers. The facility's operational status ensures continued service to the local community, contributing to the overall resilience of the regional electrical grid.
Environmental context
The substation is located in a rural area of Arkansas, where the local environment includes agricultural land and scattered residential developments. Substations of this type typically have a small physical footprint and minimal direct environmental impact, though they are critical for grid stability. The voltage levels (115 kV and 13.86 kV) suggest it serves a mix of rural and suburban loads, with potential for wildlife interactions near power lines. Proper maintenance and vegetation management are standard practices to ensure reliable operation and reduce fire risk.
Frequently asked questions
The Sherrill Post Office substation is located in Arkansas, United States, at coordinates 34.384546, -91.992098. It is owned and operated by Entergy Arkansas.
The substation operates at voltage levels of 115 kV and 13.86 kV, typical for a transmission-to-distribution substation.
The substation is operated by Entergy Arkansas, a major utility company serving parts of Arkansas and other southern states.
In the United States, substations are subject to NERC reliability standards and FERC regulation for transmission-level assets. These standards ensure grid stability and operational safety.
Substations are critical for stepping down high transmission voltages to lower distribution voltages, regulating voltage, and ensuring reliable power delivery to homes and businesses.