Overview
Lonsdale Substation is an operational electrical substation in Knoxville, Tennessee, owned and operated by the Tennessee Valley Authority (TVA). It handles voltages of 161 kV and 69 kV, supporting regional grid stability.
Lonsdale 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 voltages of 161 kV and 69 kV, classifying it as a medium-to-high voltage facility critical for distributing power to the surrounding area. As part of TVA's extensive transmission system, Lonsdale Substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC). These standards ensure reliability and security of the bulk power system. The substation likely employs modern switchgear and automation technologies, such as those based on IEC 61850, to enhance operational efficiency and grid resilience. The substation serves the Knoxville metropolitan area, supporting residential, commercial, and industrial loads. Its location in an urban setting underscores its importance for local grid stability and community energy needs. TVA's integrated resource planning and grid modernization efforts further enhance the substation's role in delivering reliable electricity to the region.
Environmental context
Located in Knoxville, Tennessee, Lonsdale Substation operates within a temperate climate with seasonal variations that influence electricity demand. The substation's urban setting means it is subject to local land-use regulations and community considerations. TVA's environmental stewardship includes managing vegetation and wildlife habitats around substations, as well as minimizing electromagnetic field impacts. The facility's design and operation align with TVA's commitment to reducing environmental footprint while maintaining grid reliability.
Frequently asked questions
Lonsdale Substation is located in Knoxville, Tennessee, United States, at coordinates 35.960791, -83.952557.
Lonsdale Substation is owned and operated by the Tennessee Valley Authority (TVA), a federally owned electric utility company serving the Tennessee Valley region.
Lonsdale Substation handles two voltage levels: 161,000 volts (161 kV) and 69,000 volts (69 kV), making it a medium-to-high voltage substation.
As part of the US bulk power system, Lonsdale Substation must comply with NERC reliability standards and FERC regulations, ensuring grid stability and security.
Lonsdale Substation distributes electricity from TVA's transmission network to the Knoxville area, supporting residential, commercial, and industrial customers.