Overview
Greenville North Substation is an operational 115 kV substation in Greenville, Mississippi, owned and operated by Entergy Mississippi, serving the local electrical grid.
Greenville North Substation is an electrical substation located in Greenville, Mississippi, United States. Owned and operated by Entergy Mississippi, this facility operates at a voltage of 115 kV, classifying it as a high-voltage substation critical for regional power distribution. The substation plays a key role in stepping down transmission voltages for local distribution and ensuring grid stability in the Mississippi Delta region. As part of Entergy Mississippi's transmission network, the substation operates under the regulatory oversight of the Federal Energy Regulatory Commission (FERC) and adheres to North American Electric Reliability Corporation (NERC) reliability standards. The 115 kV voltage level is typical for sub-transmission and distribution substations, supporting industrial, commercial, and residential loads in the Greenville area. The substation likely includes switchgear, transformers, and protection systems compliant with IEEE and IEC standards. The substation's location in Greenville, a city along the Mississippi River, positions it within a region prone to extreme weather events such as hurricanes and flooding. Its operational significance includes maintaining power supply to critical infrastructure like hospitals, water treatment plants, and agricultural operations. Regular maintenance and upgrades are typical for ensuring reliability in this sector.
Environmental context
The substation is situated in the Mississippi Delta, a region characterized by flat, low-lying terrain and a humid subtropical climate. This environment poses risks of flooding and severe storms, which can impact substation operations. The facility's design likely incorporates flood mitigation measures and robust grounding systems to withstand lightning strikes. Its urban location in Greenville means it serves a mixed residential and industrial load, with potential environmental considerations related to electromagnetic fields and oil containment from transformers.
Frequently asked questions
Greenville North Substation is located in Greenville, Mississippi, United States, at coordinates 33.438641, -91.041796.
The substation is owned and operated by Entergy Mississippi, a utility company serving the state of Mississippi.
Greenville North Substation operates at a voltage of 115 kV, which is typical for sub-transmission and distribution substations.
Substations in the United States must comply with NERC reliability standards and FERC regulations for transmission assets, as well as IEEE and IEC standards for equipment and safety.
A 115 kV substation steps down transmission voltage for local distribution, serving industrial, commercial, and residential customers while ensuring grid stability and reliability.