Westinghouse equips Xcel Energy’s Monticello Nuclear Generating Plant

Pittsburgh, June 21, 2011 Westinghouse Electric Co. successfully installed a replacement steam dryer at Xcel Energy’s Monticello Nuclear Generating Plant, a single-unit GE-designed boiling water reactor located near Monticello, Minnesota, 40 miles northwest of Minneapolis.

This component was designed by Westinghouse Sweden and modified by Westinghouse’s U.S.-based BWR engineering team with support from Toshiba Corp. for use in the American market.

The Westinghouse Sweden steam dryer design has more than 200 reactor years of event-free operation and is in use at more than 11 BWR plants throughout Europe and the Nordic Region.

The Monticello replacement steam dryer was fabricated at Toshiba’s Keihin facility, in Yokohama, Japan, and was shipped from Yokohama to the U.S. in December 2010, arriving at the Monticello Nuclear Generating Plant 20 days ahead of schedule. The one-piece assembly is 17 feet in diameter, 16 feet tall and weighs 60,000 pounds.

BWR steam dryers are used during the final stage of moisture removal to provide the highest-quality steam to the turbine. The new steam dryer will support Monticello’s renewed operating license, which extends through 2030, and its proposed capacity increase of 70 MW. Westinghouse removed Monticello’s original steam dryer from the reactor and installed the replacement during the plant’s spring 2011 refueling outage.

Westinghouse Electric Co., a group company of Toshiba Corp., is a nuclear energy company and a supplier of nuclear plant products and technologies to utilities throughout the world. Westinghouse supplied the world’s first pressurized water reactor in 1957 in Shippingport, Pa. Westinghouse technology is the basis for about one-half of the world’s operating nuclear plants, including 60 percent of those in the U.S.

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