Houston — The US Environmental Protection Agency has granted seven coal-fired units at five power plants an additional one-year extension to meet Mercury and Air Toxics Standards standards.
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Receiving a reprieve for the second time since MATS went into effect April 15, 2015, were:
* two units totaling 1,292 MW at Tennessee Valley Authority's Paradise plant in Paradise, Kentucky;
* two units totaling 323 MW at Virginia Electric Power's Yorktown plant in Yorktown, Virginia;
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* a 482-MW unit at the Grand River Dam Authority's plant in Chouteau, Oklahoma;
* a 229-MW unit at the City of Kansas City's Nearman Creek plant in Kansas City, Kansas; and
* a 37-MW unit at the City of Ames' power plant in Ames, Iowa.
TVA requested a MATS extension for Paradise to ensure grid reliability while construction is finished on a new combined-cycle gas plant that will replace the two retiring coal-fired units. A third coal unit at Paradise will continue to run after the gas plant begins generation.
According to US Energy Information Administration data, Paradise took delivery of 5.2 million st of coal last year, mostly from Alliance Coal and Armstrong Coal mines in the Illinois Basin.
An extension for Yorktown was granted at VEP's request when delays sidelined a project to construct transmission lines that would bring in power to the North Hampton Roads area from the Surry nuclear plant after Yorktown's retirement.
Yorktown took delivery of 83,000 st of Kentucky CAPP coal last year.
Both the Grand River Dam Authority and Ames plants received extensions to allow instillation of emission controls before new or converted gas units come online to replace the generation lost when those coal units retire.
Grand River took delivery of 3.4 million st of coal last year from Peabody's Rawhide and Caballo mines in the Powder River Basin. Ames burned about 300,000 st of PRB coal from Peabody's North Antelope Rochelle Mine last year, a city source said.
The MATS extension for Nearman Creek was granted to ensure grid reliability while instillation of emissions controls is completed. The plant took delivery of 924,000 st of PRB coal last year, mostly from Cloud Peak's Cordero Rojo Mine.
(This version of the story corrects operator of North Antelope Rochelle Mine in story published April 20, 2016.)
--Jim Levesque, email@example.com
--Edited by Lisa Miller, firstname.lastname@example.org