A wind generator typically costs between $1. Other Energy Sources Dramatic Cost Range: Wind turbine costs span from $700 for small residential units to over $20 million for offshore turbines, with total project costs varying from $10,000 to $4,000+ per kW installed depending on scale and location. The cost includes turbine purchase, permitting, installation. The cost of a wind turbine depends largely on its size and capacity. Larger turbines, meant to power entire homes or businesses, can cost between $50,000 and $80,000 per kilowatt of power. Because answering 'how much does a wind turbine cost,' depends greatly on where the turbine is located, for this article, we've drawn the latest data from the worldwide wind industry, but written primarily from a U.