The Department of Energy released a report produced by the Lawrence Berkley National Laboratory that analyzes trends in wind power capacity, manufacturing, performance, and costs. Released on July 13, the report indicated that domestic manufacturing of wind turbine components continues to increase, with domestically produced goods used in U.S. wind power projects reaching approximately 68% in 2009- 2010, up from 52% in 2005-2006. Another key finding from the report is that wind turbine prices declined by a third since 2008.