Solar Decathlon Turns 20!

20 years. 25,000+ alumni. 40 countries. 6 international competitions

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Solar Decathlon 20th Anniversary Collage



January 20, 2022

Solar Decathlon Turns 20!

2022 marks the 20th anniversary of the U.S. Department of Energy Solar Decathlon®, an international collegiate competition that has helped popularize renewable energy and energy efficiency technologies, while training the clean energy workforce of tomorrow.

WATCH: Solar Decathlon – Building Impact for 20 Years

The first Solar Decathlon competition was held on the National Mall in Washington, D.C., in the fall of 2002. Fourteen teams designed, built, transported, and showcased zero energy houses powered entirely by renewable energy—a feat relatively unheard of at the time. During the 21-day inaugural event, more than 100,000 people visited the first-ever Solar Decathlon.

Since those first 14 houses, the Solar Decathlon has supported 790 teams, grown to include both residential and commercial buildings through Design and Build Challenges, trained over 25,000 students from 40 countries, and inspired 15 additional events held abroad.

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