Overview
Monument Street Substation is an operational electrical substation in Jackson, Mississippi, operated by Entergy Mississippi. It operates at 115 kV, serving the regional power grid.
Monument Street Substation is an electrical substation located in Jackson, Mississippi, United States. Operated by Entergy Mississippi, the facility is part of the regional transmission infrastructure, stepping down high-voltage electricity for distribution. The substation operates at 115 kV, a standard voltage level for subtransmission networks, connecting bulk power systems to local distribution grids. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), ensuring grid reliability and compliance with mandatory standards. As part of Entergy Mississippi's network, it supports the power needs of the Jackson metropolitan area, a region with a mix of urban and industrial loads. The facility's equipment likely includes circuit breakers, transformers, and switchgear typical of medium-scale substations. Monument Street Substation plays a critical role in maintaining grid stability and power quality for the surrounding community. Its location in the state capital underscores its importance for critical infrastructure, including government, healthcare, and commercial facilities. The substation's operational status ensures continued service reliability for Entergy Mississippi's customers in the region.
Environmental context
The substation is situated in an urban area of Jackson, Mississippi, where land use is predominantly commercial and residential. Electrical infrastructure in such settings must manage electromagnetic fields and noise, typically mitigated through standard design practices. The facility's location near the Pearl River basin may require stormwater management to prevent runoff impacts. Vegetation management around transmission lines is standard to maintain clearance and reduce fire risk.
Frequently asked questions
Monument Street Substation is located in Jackson, Mississippi, United States, at coordinates 32.308194, -90.192600.
Monument Street Substation operates at 115 kV (115,000 volts), a common voltage level for subtransmission and distribution substations.
Monument Street Substation is operated by Entergy Mississippi, a subsidiary of Entergy Corporation, which provides electricity to parts of Mississippi.
US substations must comply with NERC reliability standards for grid stability and FERC regulations for interstate transmission. Facilities also follow IEEE and ANSI standards for equipment and safety.
A 115 kV substation steps down high-voltage transmission power (typically 230 kV or higher) to lower voltages for local distribution, serving industrial, commercial, and residential customers.