TVA Retires Johnsonville Fossil Plant, Plans Other Coal Closures

By Editors of Power Engineering

The Tennessee Valley Authority brought back one of its retired workers, Richard “Mac” Flowers, 91, to officially shut down the last operating unit at the Johnsonville Fossil Plant.

The 10-unit, coal-fired plant was the oldest in TVA’s fleet, as the first unit came online in 1951. Though it had a total capacity of 1,485 MW, only units one through four were still in operation. Units 5-10 were retired in 2015.

TVA officials said the closures were due to compliance with environmental regulations. The utility constructed the Johnsonville Combustion Turbine Plant, a natural gas-fired facility, adjacent to the Johnsonville Fossil Plant.

Another large coal closure is coming for TVA, as the utility will shut down the 741-MW coal-fired units at Allen Fossil Plant in Memphis by June and replace them with natural gas. 

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