Westinghouse Electric Company said Wednesday that it had been selected by the Tennessee Valley Authority (TVA) to provide inspection and maintenance services for steam generators at the Watts Bar Units 1 and 2 and Sequoyah Units 1 and 2 power plants for a five-year stretch, covering 2016 through 2021.
The news follows a recently announced Westinghouse tie in with the TVA dealing with refueling outage and inspection work.
Mark Marano, Westinghouse president, Americas Region, said the services provided offer a potential for “significant cost savings and further enhanced safety during outages.”
The services include the Westinghouse Zephyr Advanced Acquisition System (ZAAS), said Westinghouse senior vice president of Operating Plant Business David Howell.
The Westinghouse Web site describes the ZAAS service a holistic (“total systems approach”) approach to eddy current acquisition that can reduce a plant's eddy current inspection schedule up to 35 percent … (and) extend probe life by 100 percent.”
Sequoyah Units 1 and 2 are Westinghouse-designed four-loop pressurized water reactors (PWR) 9.5 miles northeast of Chattanooga, Tenn. Their operating licenses are currently viable through September 2020 and September 2021, respectively.
The Watts Bar Units 1 and 2 are also Westinghouse-designed four-loop PWRs. Situated 60 miles southwest of Knoxville, Tenn., in Spring City, they are the two youngest operating nuclear power plants in the country. Unit 1 went online in February 1996 and has a license that is good through November 2035. Unit 2 was issued an operating license in October 2015. That license expires in October 2055.
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