The Federal Energy Regulatory Commission granted a key approval to a pipeline that would supply a power plant converting from burning coal.

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On April 2, FERC authorized the Ridgeline Expansion Project in central and eastern Tennessee. The project involved supplying gas to the Tennessee Valley Authority’s Kingston Plant, replacing coal-fired generators with natural gas.

East Tennessee Natural Gas, a subsidiary of Canadian company Enbridge, plans to route the pipeline parallel to its existing pipeline. The project would also involve a compressor station in Trousdale County.