La Crosse Boiling Water Reactor

La Crosse Boiling Water Reactor (HMOB8)

Location: Genoa, WI 54632 Vernon County
Country: United States of America

N 43° 34.031', W 91° 13.733'

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In 1961, the Joint Congressional Atomic Energy Commission (AEC) approved Dairyland Power Cooperative's proposal to construct and operate Wisconsin's first nuclear-fueled power plant. This reactor was part of a pilot program to demonstrate the commercial feasibility of nuclear reactors for rural electric cooperatives and small utilities.

The Allis-Chalmers Company of West Allis began constructing the La Crosse Boiling Water Reactor in 1963.

On July 11, 1967, at 7:39 p.m., the reactor achieved its first sustained chain reaction, ushering both Wisconsin and cooperative electrification into the nuclear age. The reactor attained full-powered operation on August 1, 1969. After several modifications and tests, inspectors declared the reactor commercially operational on February 1, 1971, with a rated capacity of 50 megawatts.

Dairyland acquired full ownership of the facility from the AEC in August 1973, but ceased reactor operations on April 30, 1987, due to economic conditions. Dairyland currently operates a coal-fired power plant on this site.
HM NumberHMOB8
Series This marker is part of the Wisconsin: Wisconsin Historical Society series
Marker Number223
Year Placed2008
Placed ByThe Wisconsin Historical Society
Marker ConditionNo reports yet
Date Added Saturday, October 18th, 2014 at 4:06pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)15T E 643027 N 4825326
Decimal Degrees43.56718333, -91.22888333
Degrees and Decimal MinutesN 43° 34.031', W 91° 13.733'
Degrees, Minutes and Seconds43° 34' 1.86" N, 91° 13' 43.98" W
Driving DirectionsGoogle Maps
Area Code(s)608
Closest Postal AddressAt or near 800-830 Great River Rd, Genoa WI 54632, US
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