Overview
Davidson Substation is an operational electrical substation in Tennessee, United States, owned and operated by the Tennessee Valley Authority. It operates at a voltage of 500 kV, indicating a high-voltage transmission-level facility critical to grid
Davidson Substation is a high-voltage electrical substation located in Tennessee, United States. Owned and operated by the Tennessee Valley Authority (TVA), it is a key component of the regional transmission network, operating at 500 kV. This voltage level classifies it as a major transmission asset, typically serving long-distance power transfer and interconnecting large generation sources with load centers. As a TVA facility, Davidson 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, and its substations are subject to mandatory reliability standards, including NERC's Critical Infrastructure Protection (CIP) requirements. The 500 kV class is common for backbone transmission in the US, often using air-insulated or gas-insulated switchgear. Environmentally, the substation's location in Tennessee places it within a region with diverse topography and climate. The facility plays a crucial role in maintaining grid stability and supporting the local economy by ensuring reliable power delivery. Its high voltage allows efficient transmission over long distances, reducing line losses and supporting integration of renewable energy sources.
Environmental context
The Davidson Substation operates in a region with a temperate climate, experiencing seasonal variations that can affect transmission line performance. Its high voltage (500 kV) is typical for long-distance power transfer, minimizing environmental footprint per unit of energy transmitted. The substation's location in Tennessee, near the Cumberland River basin, requires careful management of stormwater runoff and potential impacts on local ecosystems. TVA's environmental stewardship includes vegetation management and wildlife protection measures.
Frequently asked questions
Davidson Substation is located in Tennessee, United States, at coordinates 36.067785, -86.984047. It is owned and operated by the Tennessee Valley Authority.
Davidson Substation operates at 500 kV (500,000 volts), which is a high-voltage transmission level used for long-distance power transfer and interconnection of major grid components.
Davidson Substation is owned and operated by the Tennessee Valley Authority (TVA), a federally owned electric utility company serving the Tennessee Valley region.
As a US transmission asset, Davidson Substation must comply with NERC reliability standards and FERC regulations. TVA also follows its own internal standards for safety and environmental protection.
A 500 kV substation like Davidson serves as a critical node in the high-voltage transmission network, stepping voltage up or down, and enabling efficient long-distance power transfer with minimal losses. It helps maintain grid stability and reliability.