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How much land does a wind farm require?

A wind farm in open, flat terrain generally requires about 40 acres per megawatt of installed capacity. As little as 1 percent of that total acreage is needed for turbines and access roads, meaning as much as 99 percent remains free for other uses, such as farming or ranching. A wind plant on a ridgeline in hilly terrain will require much less space, as little as two acres per megawatt.