Overview
Wynne Substation is an operational electrical substation in Arkansas, United States, operated by Entergy Arkansas. It handles voltages of 161 kV and 13.86 kV, serving the local grid.
Wynne 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 transmission and distribution network, stepping down high-voltage power for local distribution. The substation operates at two voltage levels: 161 kV for transmission and 13.86 kV for distribution, indicating its role in both bulk power transfer and local supply. As part of the Entergy Arkansas system, it falls under the regulatory oversight of the Federal Energy Regulatory Commission (FERC) and must comply with North American Electric Reliability Corporation (NERC) reliability standards to ensure grid stability. This facility supports the electrical infrastructure of the Wynne area and surrounding communities, contributing to reliable electricity delivery. Its operational status and voltage class reflect its importance in maintaining grid resilience in the region, particularly during peak demand or extreme weather events common in the Mid-South.
Environmental context
The substation is situated in a rural area of eastern Arkansas, a region characterized by flat terrain and agricultural land. Its location away from dense urban centers reduces immediate environmental impacts, though the presence of high-voltage equipment requires adherence to safety and electromagnetic field guidelines. The surrounding ecosystem includes wetlands and farmlands, necessitating careful management of any potential oil or chemical leaks from transformers.
Frequently asked questions
Wynne Substation is located in Arkansas, United States, near the city of Wynne. Its approximate coordinates are 35.213111 N, -90.789733 W.
Wynne Substation operates at two voltage levels: 161 kV for transmission and 13.86 kV for distribution, allowing it to step down power from high-voltage lines to local distribution networks.
Wynne Substation is owned and operated by Entergy Arkansas, a subsidiary of Entergy Corporation, which provides electricity to customers in Arkansas.
As part of the U.S. electrical grid, Wynne Substation must comply with NERC reliability standards and FERC regulations for transmission-level assets, ensuring grid stability and security.
Substations like Wynne are critical for voltage transformation and switching, enabling efficient transmission of electricity over long distances and safe distribution to end users. They also provide protection and control functions.