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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 Wisconsin. 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 shows the highest wind resources in Wisconsin are concentrated in the southern and eastern part of the state. Class 3 areas are predominately located on capes and exposed coastal locations along Lake Michigan and Green Bay. Particular locations in the Class 2 and Class 3 areas could have higher power class values at 80 meters than shown on the 50-meter map because of high wind shear. Given the advances in technology a number of locations in the southern and eastern part of Wisconsin may be suitable for utility-scale applications.
Note: Wind resource at a micro level can vary significantly; therefore, you should get a professional evaluation of your specific area of interest.
Other Wisconsin wind resource maps are available from the Wisconsin Focus on Energy Web site.
If you have a disability and need assistance reading the wind map, please email the Webmaster.
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