The Tennessee Valley Authority will shut down the last units at one of its oldest coal-fired power plants in Tennessee by the end of 2017, but TVA said Monday it will continue to produce steam at the site using one of its gas-fired turbines to help sustain a nearby 600-employee DuPont facility.
Comment
Comments on the draft Environmental Assessment of the alternatives for the Johnsonville plant will be accepted by TVA through May 20. Comments may be submitted to Ashley Farless, Tennessee Valley Authority, 1101 Market St., BR 4A, Chattanooga, TN, 37402.
In a draft environmental assessment released Monday, TVA said it wants to install a heat recovery generator on a gas turbine at the Johnsonville plant near Waverly, Tenn., to continue to supply steam for DuPont even after the last coal-fired steam unit is shut down in two and a half years.
TVA has provided steam for DuPont to produce its TI-pure titanium dioxide since 1994 under a cogeneration partnership. But TVA is phasing out the coal units it began building at the Johnsonville plant in 1949 to help limit its smog and carbon emissions.
The federal utility added 16 combustion-turbine units at Johnsonville in the early 1970s and another four in 2000. These units can burn fuel oil or natural gas and are designed to start quickly and typically are operated only during peak demand periods.
