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Monticello Nuclear Generating Plant




The Monticello Nuclear Generating Plant, (a Nuclear Power Plant ), is an Electricity -generating facility located in Monticello, Minnesota along the Mississippi River . The site, which began operating in 1970 , has a single Nuclear Reactor ( Boiling Water Reactor ) of the General Electric BWR-3 design generating 553 Megawatt s. It is owned by Northern States Power Company (NSP), today a subsidiary of Xcel Energy , and is operated by Nuclear Management Company (NMC).

On November 19 , 1971 , a water storage facility at the site overflowed, releasing 50,000 US Gallon s (190 m³) of radioactive waste water into the Mississippi. Some radioactive substances later entered the downstream St. Paul water system.

The reactor is currently licensed to operate until 2010 , though Xcel has asked that this time be extended. It is also likely that the facility will start storing Radioactive Waste in Steel Dry Cask s on-site in the coming years, like the downriver Prairie Island Nuclear Power Plant has been doing since the 1990s .


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