Overview
Haynesville South Substation is an operational electrical substation in Louisiana, USA, owned by Entergy Louisiana. It operates at multiple voltage levels including 115 kV, 34.5 kV, and 13.8 kV.
Haynesville South Substation is an operational electrical substation located in Louisiana, United States. Owned by Entergy Louisiana, the facility plays a key role in the regional power grid, serving the Haynesville area and surrounding communities. As a substation, it steps down high-voltage transmission power for local distribution, supporting residential, commercial, and industrial electricity needs. The substation operates at multiple voltage levels: 115,000 volts (115 kV) for transmission, 34,500 volts (34.5 kV) for sub-transmission, and 13,800 volts (13.8 kV) for distribution. This multi-voltage capability allows it to interconnect with various parts of the grid. In the United States, substations like this are regulated under NERC reliability standards and FERC oversight for transmission-level assets, ensuring grid stability and compliance with federal and regional reliability requirements. As part of Entergy Louisiana's infrastructure, Haynesville South Substation contributes to the resilience of the local electrical network. Its location in a region with active oil and gas operations underscores its importance in supporting industrial energy demand. The facility's operational status and voltage flexibility make it a critical node for maintaining reliable power supply in northern Louisiana.
Environmental context
The substation is situated in a rural area of northern Louisiana, a region characterized by forested terrain and significant oil and gas extraction activities. Electrical infrastructure in such areas must balance grid reliability with environmental considerations, including potential impacts on local wildlife and habitats. The facility's design and operation likely incorporate measures to minimize electromagnetic field exposure and manage stormwater runoff, consistent with standard environmental practices for substations in the United States.
Frequently asked questions
Haynesville South Substation is located in northern Louisiana, United States, near the town of Haynesville. Its coordinates are approximately 32.94° N, -93.11° W.
The substation operates at three voltage levels: 115,000 volts (115 kV) for transmission, 34,500 volts (34.5 kV) for sub-transmission, and 13,800 volts (13.8 kV) for distribution.
The substation is owned by Entergy Louisiana, a major electric utility serving the state. The operator is also Entergy Louisiana.
In the United States, substations are subject to NERC reliability standards for grid stability and FERC regulations for transmission-level assets. Compliance with these frameworks ensures safe and reliable operation.
Substations are critical nodes that step down high-voltage transmission power to lower voltages for distribution to homes and businesses. They also enable grid interconnection, switching, and protection.