Overview
Nickajack Substation is an operational electrical substation in Tennessee, United States, owned and operated by the Tennessee Valley Authority (TVA) with a voltage level of 161 kV.
Nickajack Substation is a key electrical infrastructure asset located in Tennessee, United States. Operated by the Tennessee Valley Authority (TVA), this substation operates at 161 kV, placing it within the high-voltage transmission network that supports regional grid stability and power distribution. The substation's 161 kV voltage level indicates its role in the transmission system, interconnecting generation sources with load centers. TVA, a federally owned corporation, manages the substation under stringent reliability standards set by the North American Electric Reliability Corporation (NERC) and regulated by the Federal Energy Regulatory Commission (FERC). This regulatory framework ensures the substation adheres to mandatory reliability and cybersecurity requirements. As part of TVA's extensive transmission network, Nickajack Substation contributes to the reliable delivery of electricity across the Tennessee Valley region. Its operational status and integration into the broader grid underscore its importance in supporting local communities and industrial activities, while maintaining compliance with sector-specific standards for voltage regulation and system protection.
Environmental context
The substation is situated in a region characterized by the Tennessee River valley and surrounding hills, with a mix of forested and agricultural land. Its location near the Nickajack Reservoir influences local hydrology and ecosystems. The substation's operation involves electromagnetic fields and potential impacts on local wildlife, though modern design typically mitigates such effects. The area's climate includes seasonal thunderstorms and occasional severe weather, which can affect grid reliability and necessitate robust infrastructure design.
Frequently asked questions
Nickajack Substation is located in Tennessee, United States, near the Nickajack Reservoir. Its coordinates are approximately 35.001838 N, -85.621622 W.
Nickajack Substation is owned and operated by the Tennessee Valley Authority (TVA), a federally owned electric utility company serving the Tennessee Valley region.
Nickajack Substation operates at 161 kV (kilovolts), which is a high-voltage transmission level used for efficient long-distance power transfer.
As part of the US electrical grid, Nickajack Substation must comply with NERC reliability standards and FERC regulations, ensuring grid stability, cybersecurity, and operational safety.
Substations like Nickajack transform voltage levels, switch circuits, and protect the grid. They are critical nodes that connect generation, transmission, and distribution systems to deliver electricity reliably.