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Home or Farm Scale Wind Turbines. Wind turbines under 100 kilowatts cost roughly $3,000 to $8,000 per kilowatt of capacity. A 10 kilowatt machine (the size needed to power a large home) might have an installed cost of $50,000-$80,000 (or more).
1 A little bit more math tells us that it will cost around $12,900 per home to erect the wind turbine.  A little bit more math tells us that this works out to around $646 per year of life.