Over the weekend the largest windfarm in the world was dedicated in Southwestern Minnesota, and started feeding electricity into the power grid. However if you want a smaller wind generator just for a house or a farm, you have to look further north. A Duluth company is one of only a half a dozen in the world which manufactures small wind generators intended to power single households. World Power Technologies is finding new markets for it's tower-mounted generators after riding a wild boom and bust cycle in the United States for 20 years.