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TVA commissions scrubbers.

Nearly three years and $730 million later, the fourth and final dry scrubber went into commercial operation in February at the Tennessee Valley Authority's (TVA) 976-megawatt (MW) Gallatin Fossil Plant on the banks of the Cumberland River in north-central Tennessee. Gallatin is one of the federal utility's 10 coal-burning power plants totaling 40 generating units in several Southeastern states in the U.S.

TVA has closed some coal plants in recent years to comply with new federal Environmental Protection Agency (EPA) regulations. But it considers Gallatin a keeper, at least for the foreseeable future. "TVA is investing in the Gallatin Fossil Plant because to say this is a good plant would be an understatement," said Benny Forshee, senior project manager of TVA's Clean Air Group. "The plant has been a reliable asset to TVA for many years. And we're installing the pollution control equipment on these units to make sure that it continues to be a viable asset to us for years to come."

Groundbreaking began for Gallatin on May 11, 1953. The first of the four generators went into service on November 8, 1956, with the succeeding three on June 27, 1957; May 22, 1959; and August 9, 1959.

Altogether, the plant burns more than 2 million tons of lowsulfur Powder River Basin coal annually.

The scrubber project got under way in March 2013 and is aimed at reducing Gallatin's sulfur dioxide and mercury emissions. With the project finally out of the way, TVA now turns its attention to a $370 million installation of selective catalytic reduction (SCR) systems on all four units to lower nitrogen oxide emissions. Completion is scheduled for 2017.

When all of the environmental upgrades are up and running, according to TVA, Gallatin's S02, NOx, mercury and particulate emissions are expected to be reduced between 90-99%.

The plant is located on 1,950 acres on the north bank of the Cumberland River near the nearby town of Gallatin. In neighboring western Kentucky, meanwhile, construction is more than 50% completed on a new 1,025-megawatt natural gas plant at TVA's 2,558-MW Paradise Fossil Plant near Drakesboro in Muhlenberg County. Once the gas plant is running in about a year, TVA intends to retire two of Paradise's three coal-burning units, continuing to operate its largest, 1,150-MW unit.

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Title Annotation:NEWS; Tennessee Valley Authority
Publication:Coal Age (1996)
Geographic Code:1U6TN
Date:Mar 1, 2016
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