Overview
West 7th Street Substation is an operational electrical substation in Hattiesburg, Mississippi, owned and operated by Mississippi Power. It operates at 115 kV, serving the local grid.
West 7th Street Substation is an operational electrical substation located in Hattiesburg, Mississippi, United States. Owned and operated by Mississippi Power, the facility plays a key role in the regional transmission and distribution network. With a voltage level of 115 kV, it is classified as a medium-voltage substation, typical for urban distribution and sub-transmission applications. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which enforce reliability standards for the bulk power system. Mississippi Power, a subsidiary of Southern Company, adheres to these standards to ensure grid stability. The 115 kV voltage level is common for serving industrial and commercial loads in the Hattiesburg area. As part of the Mississippi Power grid, West 7th Street Substation contributes to the reliable delivery of electricity to local communities and businesses. Its urban location in Hattiesburg supports the city's infrastructure needs, and its operational status ensures continued service to the region. The substation's role in the broader Southern Company system underscores its importance in maintaining regional energy reliability.
Environmental context
Located in Hattiesburg, Mississippi, the substation operates in a humid subtropical climate with frequent thunderstorms and occasional hurricanes, which can pose risks to electrical infrastructure. The facility's urban setting means it is integrated into a developed area with existing land use, reducing direct environmental impact. However, its operation involves standard considerations for electromagnetic fields and stormwater management typical of substations in the region.
Frequently asked questions
West 7th Street Substation is located in Hattiesburg, Mississippi, United States. Its approximate coordinates are 31.338982 N, -89.268205 W.
West 7th Street Substation operates at 115 kV (115,000 volts), which is a medium-voltage level commonly used for sub-transmission and distribution in urban areas.
The substation is owned and operated by Mississippi Power, a subsidiary of Southern Company, which provides electricity to customers in southeastern Mississippi.
Substations in the United States must comply with NERC reliability standards and FERC regulations. These standards cover grid reliability, cybersecurity, and equipment maintenance to ensure stable power delivery.
A 115 kV substation typically steps down transmission voltage for distribution to industrial, commercial, and residential customers. It also provides switching and protection functions to isolate faults and maintain grid stability.