When researching to find out if installing a home wind turbine or home wind generator will work out for you I found this excerpt at the top of a website that sells the wind generators and towers for you to construct one on your property:
Wind Generators and Generator Accessories
Tuesday, August 16, 2011
To find out if wind power is right for your location, call a local weather station or airport to find out what your average wind speed is. If you have at least a 12 mph wind speed then give us a call to size a turbine that is right for your application!
I know of an inventor that offers a multi-bladed wind generator that claims his will work at wind speeds as low as 5 mph
Definition of a Wind Turbine
Posted by David Bruce Jr at 9:36 PM