Overview
Louisville Switching Station is a 161 kV substation operated by the Tennessee Valley Authority in Mississippi, United States. It plays a key role in regional grid stability and power distribution.
Louisville Switching Station is an electrical substation located in Mississippi, United States, and operated by the Tennessee Valley Authority (TVA). The facility operates at a voltage of 161 kV, placing it in the medium-to-high voltage range typical for transmission-level substations that interconnect bulk power systems and distribute electricity to local networks. As a TVA asset, this substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC). TVA is a federally owned utility that serves parts of seven southeastern states, and its infrastructure must comply with NERC reliability standards for grid stability and security. The 161 kV voltage level is commonly used for subtransmission and distribution, and the substation likely includes switchgear, transformers, and protection systems conforming to standards such as IEEE C37. The substation's location in rural Mississippi supports the regional grid by stepping down power from higher-voltage transmission lines and distributing it to local communities and industries. Its operational status ensures continued reliability for the surrounding area, contributing to the overall resilience of the TVA power system.
Environmental context
The substation is situated in a rural area of Mississippi, where the local environment includes agricultural land and forests. Electrical infrastructure in such settings typically has a low direct environmental footprint, but considerations include electromagnetic field management, oil containment from transformers, and vegetation clearance for right-of-way.
Frequently asked questions
Louisville Switching Station is located in Mississippi, United States, at coordinates 33.115317, -89.067622. It is operated by the Tennessee Valley Authority.
Louisville Switching Station operates at a voltage of 161 kV, which is a common subtransmission voltage level in the United States.
Louisville Switching Station is operated by the Tennessee Valley Authority (TVA), a federally owned utility providing power to parts of the southeastern United States.
TVA substations must comply with NERC reliability standards and FERC regulations. These standards cover grid stability, cybersecurity, and equipment maintenance to ensure reliable power delivery.
A 161 kV substation typically steps down voltage from higher transmission lines (e.g., 500 kV) for distribution to local networks, or interconnects subtransmission lines. It helps balance load and maintain grid reliability.