LYCOS RETRIEVER 
Reactor: Pressurized Water Reactor
built 264 days ago
Three Mile Island Unit 1 Reactor set a Pressurized Water Reactor world record of 680 days of continuous operation on October 18, 2003. This record broke its own world record that it set on September 10, 1999 after it ran for 668 days without shutting down. Unit 1 reactor is the sister to Unit 2 that became infamous on March 28, 1979 for America's worst commercial nuclear accident. The Three Mile Island Nuclear Plant is now owned and operated by AmerGen Energy Company, a joint venture between the Chicago based Exelon Corporation and British Energy. >From York Daily Record, October 30, 2003
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Reactor services provide solutions for Boiling Water Reactors (BWR) and is an emerging leader in offering solutions for Pressurized Water Reactors (PWR). Solutions include outage services, inspections technology, reactor modifications, specialty projects, and parts solutions.
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PWR is the abbreviation for the Pressurized Water Reactor. These reactors were originally designed by Westinghouse Bettis Atomic Power Laboratory for military ship applications, then by the Westinghouse Nuclear Power Division for commercial applications. The first commercial PWR plant in the United States was Shippingport, which operated for Duquesne Light until 1982.
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PPL selected the UniStar and the U.S. Evolutionary Power Reactor design for several key reasons, according to Bryce L. Shriver, the PPL executive overseeing development of the company's nuclear strategy. The design is based on long-proven pressurized water reactor technology, and it includes robust safety systems, he said.
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Pressurized Water Reactor