Overview
South Nashville Substation is an operational electrical substation in Nashville, Tennessee, owned and operated by the Tennessee Valley Authority. It operates at 161 kV, serving the regional power grid.
South Nashville Substation is an operational electrical substation located in Nashville, Tennessee, United States. Owned and operated by the Tennessee Valley Authority (TVA), the facility operates at a voltage of 161 kV, placing it within the high-voltage transmission network. As part of TVA's extensive power system, this substation plays a key role in distributing electricity across the Tennessee Valley region. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which set reliability standards for the bulk power system. TVA, a federally owned corporation, adheres to these standards to ensure grid stability and security. The 161 kV voltage level is typical for subtransmission and distribution substations, connecting higher-voltage transmission lines to local distribution networks. Environmentally, the substation supports the integration of TVA's diverse generation mix, which includes hydroelectric, nuclear, coal, natural gas, and renewable sources. By facilitating efficient power delivery to the Nashville metropolitan area, South Nashville Substation contributes to the region's economic activity and residential energy needs. Its urban location underscores the importance of reliable electrical infrastructure for densely populated areas.
Environmental context
Located in an urban area of Nashville, Tennessee, the South Nashville Substation operates within a region characterized by a mix of residential, commercial, and industrial land uses. The substation's 161 kV voltage level indicates its role in the subtransmission network, which helps reduce transmission losses by stepping down power from higher-voltage lines. TVA's commitment to environmental stewardship includes managing rights-of-way to minimize ecological impact and supporting renewable energy integration.
Frequently asked questions
South Nashville Substation is located in Nashville, Tennessee, United States, at coordinates 36.155389, -86.746067.
South Nashville Substation is owned and operated by the Tennessee Valley Authority (TVA), a federally owned corporation that provides electricity to the Tennessee Valley region.
South Nashville Substation operates at 161 kV, which is a common voltage level for subtransmission and distribution substations in the United States.
As part of the U.S. bulk power system, South Nashville Substation must comply with NERC reliability standards and FERC regulations, which ensure grid stability and security.
Substations like South Nashville step down high-voltage electricity from transmission lines to lower voltages for distribution to homes and businesses, and they also provide switching and protection functions to maintain grid reliability.