Despite grim predictions at the close of 2008, the U.S. wind power industry experienced yet another record year in 2009, once again surpassing even optimistic growth projections from years past. At the same time, the combination of the financial crisis and lower wholesale electricity prices has taken a toll on the wind power industry, dampening expectations for 2010. This book examines the U.S. wind power industry market conditions and trends, and analyses the impact of wind energy installations on domestic manufacturing and trade.