Monticello Nuclear Generating Plant

The Monticello Nuclear Generating Plant is a nuclear power plant located in Monticello, Minnesota, along the Mississippi River. The site, which began operating in 1971, has a single nuclear reactor (boiling water reactor) of the General Electric BWR-3 design generating 671 MWe. The reactor was originally licensed until 2010; a renewal license issued in 2006 allows it to continue operating until September 8, 2030.

Monticello Nuclear Generating Plant
This is a view of Xcel Energy's Monticello Nuclear Generating Plant from the West.
CountryUnited States
LocationMonticello, Wright County, Minnesota
Coordinates45°20′1″N 93°50′57″W
StatusOperational
Construction beganJune 19, 1967
Commission dateJune 30, 1971
Construction cost$455.8 million (2007 USD)
Owner(s)Xcel Energy
Operator(s)Northern States Power Company
Nuclear power station
Reactor typeBWR
Reactor supplierGeneral Electric
Cooling towers2 × Mechanical Draft
Cooling sourceMississippi River
Thermal capacity1 × 2004 MWth
Power generation
Units operational1 × 647 MW
Make and modelBWR-3 (Mark 1)
Nameplate capacity647 MW
Capacity factor91.04% (2017)
80.80% (lifetime)
Annual net output5022 GWh (2021)
External links
WebsiteMonticello Nuclear Generating Station
CommonsRelated media on Commons

The plant is owned by Xcel Energy and operated by Northern States Power, its regional subsidiary.

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