The Department of Energy's Wind Program and the National Renewable Energy Laboratory (NREL) published a new 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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