Overview
Marked Tree Entergy Substation is an operational 161 kV electrical substation in Marked Tree, Arkansas, owned and operated by Entergy Arkansas. It plays a key role in regional grid stability and power distribution.
Marked Tree Entergy Substation is an electrical substation located in Marked Tree, Arkansas, United States. It operates at a voltage of 161 kV, which is a common transmission-level voltage for regional power distribution. The facility is owned and operated by Entergy Arkansas, a major utility serving the state. As a 161 kV substation, this facility is part of the high-voltage transmission network that connects power generation sources to local distribution systems. In the United States, such substations are subject to NERC reliability standards and FERC regulations to ensure grid stability and safety. The equipment likely includes circuit breakers, transformers, and switchgear typical of this voltage class. The substation serves the Marked Tree area and surrounding communities, providing essential electrical infrastructure for residential, commercial, and industrial customers. Its operational status ensures continued power supply and grid resilience in the region. The facility contributes to the overall reliability of the Entergy Arkansas transmission system.
Environmental context
Located in the Mississippi River Delta region of eastern Arkansas, the substation operates in a flat, agricultural landscape with hot summers and mild winters. The area is prone to severe thunderstorms and occasional tornadoes, which can pose risks to overhead transmission lines and substation equipment. The facility's design likely includes measures to withstand extreme weather events and maintain grid stability.
Frequently asked questions
Marked Tree Entergy Substation is located in Marked Tree, Arkansas, United States, at coordinates 35.513662, -90.416410.
The substation operates at a voltage of 161 kV, which is a typical transmission-level voltage for regional power distribution.
The substation is owned and operated by Entergy Arkansas, a major electric utility serving customers in Arkansas.
As part of the US electrical grid, this substation must comply with NERC reliability standards and FERC regulations to ensure safe and reliable operation.
A 161 kV substation steps down high-voltage transmission power to lower voltages for distribution to homes and businesses, and helps maintain grid stability.