It Takes Power to Make Power: Temporary Power Keeps Wind Turbines Spinning

As the fourth largest source of power in North America, wind energy continues to be an essential part of the renewable energy story. The U.S. Department of Energy’s Wind Vision report expects wind energy to supply 10 percent of the United States power needs by 2020, 20 percent by 2030 and 35 percent by 2050.
Source: Renewable Energy