Nuclear Power Plants
in Iowa, Minnesota, South Dakota
& Wisconsin
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Duane Arnold Location: IA Operator: FPL Energy Configuration: 614 MW BWR Operation: 1975 Reactor supplier: GE T/G supplier: GE EPC: Bechtel Quick facts: This is Iowa's only nuclear plant and is situated on a 500ac site on the Cedar River, much of which is leased for farming and grazing land. The plant has over 500 employees with an annual payroll of $46mn. The unit got its construction permit in Jun 1970, its full-power operating license in Feb 1974, and went commercial in Feb 1975. In Jul 2005, majority owner Alliant Energy announced its plan to sell its ownership to FPL Group which, through subsidiary NextEra Energy Resources, now has 70% ownership in DAEC. Central Iowa Power Coop has a 20% stake and Corn Belt Power Coop holds 10%. Photograph courtesy of
Nuclear Management Co |
Kewaunee Location: WI Operator: Dominion Generation Configuration: 581 MW PWR Operation: 1974 Reactor supplier: WH T/G supplier: WH EPC: Pioneer Quick facts: Kewaunee was built by a consortium led by Wisconsin Public Service Co. Dominion acquired the station in Jul 2005. The site is on Lake Michigan southeast of Green Bay. Photograph courtesy of
Nuclear Management Co |
Monticello Location: MN Operator: Xcel Energy Configuration: 600 MW BWR Operation: 1971 Reactor supplier: GE T/G supplier: GE EPC: Bechtel Photograph by Jerry Miller and courtesy of Xcel Energy |
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Pathfinder Location: SD Operator: Northern States Power Co Configuration: 1 X 59 MW BWR Operation: 1966 (ret 1967) Reactor supplier: AC T/G supplier: AC Quick facts: This design was known as a superheat BWR. The plant only operated for about a year and the conventional components were re-used for a coal-fired unit. The nuclear plant has been fully decommissioned. Photograph courtesy of
South Dakota State Historical Society |
Point Beach Location: WI Operator: NextEra Energy Resources Configuration: 2 X 530 MW PWR Operation: 1970-1972 Reactor supplier: WH T/G supplier: WH EPC: Bechtel Quick facts: Point Beach was built by Wisconsin Electric Power Co on Lake Michigan. The plant was acquired from We Energies in Sep 2007. Photograph courtesy of
Nuclear Management Co |
Prairie Island Location: MN Operator: Xcel Energy Configuration: 2 X 560 MW MW PWR Operation: 1973-1974 Reactor supplier: WH T/G supplier: WH EPC: Pioneer, Northern States Power Co Quick facts: Prairie Island has a 520ac site on the Upper Mississippi River and supplies about 20% of the electricity used by Xcel Energy customers in parts of Michigan, Minnesota, North Dakota, South Dakota, and Wisconsin. The plant is named after an adjacent Mdewakanton Dakota Indian Reservation. Photograph courtesy of Xcel Energy |
Data: industcards, Platts UDI World Electric Power Plants Data Base
Updated 02/20/11