The cost of a home wind turbine in the U. varies based on system size, brand, equipment quality, and whether the system is grid-tied or off-grid. . So just how much does a wind turbine cost for a house? The answer depends on several variables, but expect to invest anywhere from $10,000 to $70,000 for a grid-connected 5-15 kW turbine fully installed. It also depends on installation complexity, local labor rates, and potential permitting requirements. 6-4 million each provide the most attractive financial returns with 5-10 year payback periods and capacity factors of 25-45%, significantly outperforming residential systems. While technology has improved and costs have decreased, small wind turbines work well only in specific situations. . The most common units for home use usually offer power outputs between 1 kW to 10 kW, sufficient to support a portion or the entirety of a household's energy needs.