Garrison Dam is an earth-fill embankment dam on the Missouri River in central North Dakota. Construction on the dam began in 1947 and was completed in 1954.
The dam includes five electric generating units with a collective capacity of 583,300 kilowatts (kW). The electricity generated by the Garrison Dam is marketed through the Western Area Power Administration (WAPA). WAPA is one of four power-marketing administrations within the US Department of Energy.
1822 Mill Road
P.O. Box 13200
Grand Forks, ND 58208-3200
Minnkota Power Cooperative provides wholesale electric energy to 11 member-owner distribution cooperatives in eastern North Dakota and northwestern Minnesota.
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