Overview
Rankin Substation is an operational electrical substation in Mississippi, United States, operated by Entergy Mississippi. It handles voltages of 230 kV, 115 kV, and 14.4 kV, serving as a key node in the regional transmission grid.
Rankin Substation is an operational electrical substation located in Mississippi, United States. Owned and operated by Entergy Mississippi, the facility plays a critical role in the regional power transmission network, stepping down high-voltage electricity for distribution to residential, commercial, and industrial customers. The substation operates at multiple voltage levels: 230 kV, 115 kV, and 14.4 kV, indicating its function as both a transmission and distribution substation. As part of the Entergy Mississippi 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. The facility's design likely incorporates IEC 61850 substation automation standards for efficient monitoring and control. Located in a region prone to severe weather, including hurricanes and thunderstorms, Rankin Substation contributes to grid resilience and reliability for the surrounding communities. Its strategic position within the Entergy network supports the integration of generation resources and load centers, ensuring stable electricity supply for the area.
Environmental context
The substation is situated in central Mississippi, a region characterized by a humid subtropical climate with hot summers and mild winters. The area is subject to frequent thunderstorms and occasional hurricanes, which can pose risks to electrical infrastructure. The facility's design likely includes measures to withstand extreme weather, such as reinforced structures and flood protection. Its location in a mixed urban-rural setting means it serves both densely populated areas and agricultural zones, influencing load patterns and operational requirements.
Frequently asked questions
Rankin Substation is located in Mississippi, United States, near latitude 32.288477 and longitude -89.964423. It is operated by Entergy Mississippi.
Rankin Substation operates at voltage levels of 230 kV, 115 kV, and 14.4 kV, indicating its role in both high-voltage transmission and lower-voltage distribution.
Rankin Substation is owned and operated by Entergy Mississippi, a subsidiary of Entergy Corporation, which provides electricity to customers in Mississippi.
As part of the US electrical grid, Rankin Substation must comply with NERC reliability standards and FERC regulations for transmission assets. It likely also follows IEC 61850 standards for substation automation.
Rankin Substation serves as a transmission and distribution substation, stepping down high-voltage electricity from the transmission grid to lower voltages for local distribution, ensuring reliable power supply to the surrounding area.