In this report, the GAO examines the amount of wind power generation in relation to all U.S. electricity generation and the prospects for wind powers growth; the contribution of wind power generation to farmers income and to the economic well-being of rural communities in the 10 states with the highest wind power generation capacity; and the advantages and disadvantages for farmers of owning a wind power project versus leasing their land to a commercial wind power developer.
Link
http://www.gao.gov/new.items/d04756.pdf