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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).
The wind turbine has an electricity generation capacity of 40 MW, which means that it has a very high power-to-height ratio, and can power a whopping 13,333 homes by itself, at peak power production. It costs $48 million to manufacture. This translates to a reasonable cost of $1.20 per watt of generation capacity.