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Solar Decathlon History

The history of the U.S. Department of Energy Solar Decathlon dates to the inaugural event in 2002. Since then, the Solar Decathlon has been held biennially in 2005, 2007, 2009, 2011, 2013, 2015, and 2017. Learn about past competitions, find out how past competition houses are being used today, or plan a visit to a Solar Decathlon house near you.