What is the cost of building a windmill to generate electricity and the amount of land you need one?

dmeiske1@att.net question : What is the cost of building a windmill to generate electricity and the amount of land you need for a ? I want to be as effective as possible, and someday when I retire, I want to live on an island and I think geenrate construction of a windmill for electricity. What is the cost of building a wind mill, would be how much land you have one on them, and how long last provide a windmill, until you replace it? I will also solar energy, but my main question is

Green Energy Home