About 20% Wind Energy by 2030 - SEPANTA WIND ENERGY
Integrating 20% wind energy into the grid can be done reliably for less than 0.5 cents per kWh. Achieving 20 percent wind energy is not limited by the availability of raw materials. Addressing transmission challenges such as siting and cost allocation of new transmission lines to access the Nation's best wind resources will be required to achieve 20% wind energy. You can read the entire "20% Wind Energy by 2030 Report" (9.1 MB PDF). By EERE on the U.S. Department of Energy Website. 20% Wind Energy by 2030.
SEPANTA WIND ENERGY
US Department of Energy 2015 Distributed Wind Market Report.