To determine if a small wind turbine will save you money in the long run you’ll have to think about the amount of electricity that your household would be using and also how much wind speed is around your house as well. Germany contributed about six percent, and about eight percent in Spain. However, the growing concerns about the environment may contribute to increasing efforts to utilize wind power conversion into inexpensive energy. Since people could make home made wind power for less than $200, they jumped on this idea with extraordinary success. The success would never have been possible if the plans followed the old tradition and targeted hobbyists and enthusiasts. This is of course more fun to do for the planners: they could impress people with complicated plans and ideas. Make sure that the blades you use are not very heavy making it difficult for the wind to blow and the blades are not too light which break up easily when heavy wind blows. Blades, frame and base have to be constructed for which you can use corrugated card boards or plywood. Some people also use crap from their mechanical workshop for constructing wind turbine. You can make your own generator with coils and magnetic frames or you can use one that is already built. An electronic controller is needed for safety reasons so that your battery is not over charged. There are many how to build wind turbine guides that can help you design your own used wind turbines cut your electricity bills by using wind power as a energy source.