Overview
Knoxville Primary Substation is an operational electrical substation in Knoxville, Tennessee, owned by the Tennessee Valley Authority (TVA). It operates at 161 kV and 69 kV, serving the regional grid.
Knoxville Primary Substation is an operational electrical substation located in Knoxville, Tennessee, United States. Owned and operated by the Tennessee Valley Authority (TVA), it plays a key role in the regional transmission network. The substation handles voltage levels of 161 kV and 69 kV, indicating its function as a primary substation stepping down transmission voltages for distribution. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which enforce reliability standards for the bulk power system. TVA, a federally owned corporation, manages the Tennessee Valley region's power supply, and this substation is part of its extensive transmission infrastructure. The dual voltage levels suggest it connects high-voltage transmission lines to lower-voltage distribution networks, typical for primary substations serving urban and industrial areas. As a critical node in TVA's grid, Knoxville Primary Substation supports the electricity needs of Knoxville and surrounding communities. Its location in an urban area underscores its importance for local reliability and economic activity. Its operational status indicates ongoing service to the region's power system.
Environmental context
The substation is situated in an urban environment in Knoxville, Tennessee, where land use is dominated by residential, commercial, and industrial development. Electrical infrastructure in such settings must consider electromagnetic field (EMF) exposure, noise mitigation, and visual impact. The surrounding area's ecology is typical of the Southeastern United States, with mixed hardwood forests and urban green spaces. The substation's operation contributes to regional air quality by enabling efficient electricity transmission, reducing reliance on local generation.
Frequently asked questions
Knoxville Primary Substation is located in Knoxville, Tennessee, United States, at coordinates 36.033384, -83.864146.
The substation is owned and operated by the Tennessee Valley Authority (TVA), a federally owned corporation that provides electricity for the Tennessee Valley region.
Knoxville Primary Substation operates at voltage levels of 161 kV and 69 kV, typical for a primary substation that steps down transmission voltages for distribution.
The substation must comply with NERC reliability standards and FERC regulations, which govern the reliability and security of the U.S. bulk power system.
As a primary substation, it connects high-voltage transmission lines to lower-voltage distribution networks, ensuring reliable electricity supply to Knoxville and surrounding areas.