The Seminoe Dam

February 15, 2019

Wyoming Energy History

The Seminoe Dam was built in the early 1930’s by the Bureau of Reclamation. The Dam is located along the North Platter River in the Seminoe Mountains. The dam was built to expand irrigation in Wyoming and to generate hydropower in the state as part of the Kendrick Project. The site for the dam is remote, with no towns or settlements nearby. Several men died during the construction of the dam.

Standing tall as 295 feet, the Seminoe Dam was finished in December 1939 with its freshwater restored in April that same year. The dam contains around 985608 acre-feet of water. Electricity was first generated on August 3, 1939. After years of electricity production, the dam now has the capacity to produce 150 million kilowatt-hours of energy every year.

This article is provided through our partnership with the Wyoming State Historical Society.

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