Wind power in Montana
Electricity from wind in one U.S. state
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Through Watt
History
At a nameplate capacity of 210 megawatts (MW), the $500 million Glacier Wind Farm, which is located in Toole and Glacier counties, became Montana's largest in October 2009, surpassing the 135 MW Judith Gap Wind Farm in Wheatland County.
Rim Rock Wind Farm, brought online in September 2012, is located about 25 miles due north of the Glacier project. It has 126 wind turbines of 1.5 megawatts each, to be supplied by Acciona. The project had been delayed due to issues with the Montana-Alberta Tie Line, which connects wind farms in the area to Lethbridge, Alberta.
Montana added two significant wind projects in 2012. The Gordon Butte Wind Farm, 9 MW, was completed early in the year, and the Rim Rock Wind Project, 189 MW, was completed in September.
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Installed capacity growth
Wind farms
Glacier Wind Farm became Montana's largest wind farm. Its first 106.5 MW stage was completed in late 2008, and it nearly doubled in size to a 210 MW capacity when the second stage was completed in 2009. Numerous smaller farms were constructed during the following decade. Glacier was surpassed by the 240 MW Pryor Mountain Wind Project upon its completion in late 2020.
Wind generation
Teal background indicates the largest wind generation month for the year.
Green background indicates the largest wind generation month to date.
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