Swift Wind, a renewable energy corporation based in Grand Rapids, Michigan, has featured a wonderful tool to let homeowners see if it might be profitable to add a wind turbine to you home. Its really easy: just enter your email and your address, and it will couple information about your home’s wind potential with current electricity costs in your area and state incentives to use renewables. What results is an easy to read graph telling you if wind is a good idea. I just looked up the house where I’m living, and found at most of the Des Moines area has a strong, steady wind stream. But don’t take my word for it: do it yourself here