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The Department of Energy's Wind Program and the National Renewable Energy Laboratory (NREL) published a wind resource map for the state of Idaho. This resource map shows wind speed estimates at 50 meters above the ground and depicts the resource that could be used for utility-scale wind development. Future plans are to provide wind speed estimates at 30 meters, which are useful for identifying small wind turbine opportunities.
As a renewable resource, wind is classified according to wind power classes, which are based on typical wind speeds. These classes range from Class 1 (the lowest) to Class 7 (the highest). In general, at 50 meters, wind power Class 4 or higher can be useful for generating wind power with large turbines. Class 4 and above are considered good resources. Particular locations in the Class 3 areas could have higher wind power class values at 80 meters than shown on the 50-meter map because of possible high wind shear. Given the advances in technology, a number of locations in the Class 3 areas may suitable for utility-scale wind development.
This map indicates that Idaho has wind resources consistent with utility-scale production. The contiguous areas of good-to-excellent resource are concentrated on the hills and ridges south of the Snake River Plain in southern Idaho, especially the area between Twin Falls and Pocatello. Other noteworthy resource areas are located in outflow valleys in northeastern Idaho and on the ridge crests throughout the state.
Note: Wind resource at a micro level can vary significantly; therefore, you should get a professional evaluation of your specific area of interest.
Other wind maps are available from Northwest Sustainable Energy for Economic Development (NWSEED).
If you have a disability and need assistance reading the wind map, please email the Webmaster.
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