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How do I choose a specific wind turbine?

The first step is to contact a turbine manufacturer and obtain the  power curve for the unit you are interested in purchasing. Any reputable small wind turbine representative will supply you a power curve, showing how much electricity the machine produces at a given wind speed. Use this to estimate how much energy (kWh) the turbine will produce each month or year at the average wind speed you expect or measure at your site.

The next step is to match this output with your annual energy consumption. To determine this number, check your monthly bills to come up with the annual total of kilowatt hours of electricity you use. Once you have determined your annual electricity use, you can decide how much electricity you want to offset with a turbine, based on budget and other considerations. For example, if you want to offset nearly all your electricity use and have determined you have annual usage of 10,000 kilowatt hours, select a turbine that will produce that much power over the course of year at your average wind speed.


Cole Gustafson, North Dakota State University
Irene Shonle, Colorado State University

NDSU, Dept. 7620

P.O. Box 6050

Fargo, ND  58108-6050

Phone: 701.231.7261

Fax: 701.231.1008

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