Overview
Duncan Substation is an operational electrical substation in Tennessee, United States, owned and operated by the Tennessee Valley Authority. It operates at 161 kV, serving as a key node in the regional transmission grid.
Duncan Substation is an operational electrical substation located in 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 category typical for regional power distribution and grid stability. As a TVA asset, Duncan Substation adheres to North American Electric Reliability Corporation (NERC) reliability standards and Federal Energy Regulatory Commission (FERC) regulations for transmission-level infrastructure. The 161 kV voltage level is common for sub-transmission and distribution networks, supporting the interconnection of local utilities and industrial loads. TVA's integrated power system spans the Tennessee Valley, with substations like Duncan playing a critical role in maintaining grid reliability. The substation's operational significance lies in its contribution to the regional electrical infrastructure, ensuring stable power delivery to surrounding communities and industries. Its location in eastern Tennessee supports the area's energy needs, aligning with TVA's mission of providing affordable and reliable electricity. The facility's age and specific equipment details are not publicly available, but its continued operational status indicates ongoing maintenance and compliance with sector standards.
Environmental context
The substation is situated in a region characterized by mixed urban and rural landscapes, with proximity to the Tennessee River watershed. Electrical infrastructure at this voltage level typically requires cleared rights-of-way and grounding systems that can affect local hydrology and vegetation. The facility's operation involves electromagnetic fields and potential oil containment from transformers, necessitating environmental management practices common to substations in the United States.
Frequently asked questions
Duncan Substation is located in Tennessee, United States, at coordinates 35.796653, -83.965261. It is owned and operated by the Tennessee Valley Authority.
Duncan Substation operates at 161 kV, which is a common voltage level for sub-transmission and distribution networks in the United States.
Duncan Substation is owned by the Tennessee Valley Authority (TVA), a federally owned electric utility company serving the Tennessee Valley region.
As part of the U.S. bulk power system, Duncan Substation must comply with NERC reliability standards and FERC regulations for transmission infrastructure.
A 161 kV substation serves as a key node in the electrical grid, stepping down transmission voltage for distribution to local utilities and industrial customers, ensuring reliable power delivery.