The Solar Decathlon’s homes are zero-energy, yield zero carbon, and include the latest high-tech solutions and money-saving benefits to consumers, without sacrificing comfort, convenience, and aesthetics.  Each house must also produce enough “extra” energy to power an electric vehicle.  Many of the solar power and building technologies showcased on the National Mall are available for purchase and use.  Teams have worked for more than two years designing, building and testing their homes – the Solar Decathlon is the culmination of that work.

The ten contests that decide the Solar Decathlon measure many aspects of a home's performance and appearance. A perfect total score for all ten contests is 1,200 points.

First Place: Technische Universität Darmstadt

This team from Germany came to the Solar Decathlon hoping to have an impact on people, and it's safe to say that this happened. Darmstadt won the Architecture, Lighting, and Engineering contests. The Architecture Jury said the house pushed the envelope on all levels and is the type of house they came to the Decathlon hoping to see. The Lighting Jury loved the way this house glows at night. The Engineering Jury gave this team an innovation score that was as high as you could go, and said nobody did the integration of the PV system any better. Darmstadt was one of seven teams to score a perfect 100 points in the Energy Balance contest. All week, long lines of people waited to get into this house. Total points - 1024.85

Second Place: University of Maryland

At the beginning of the week, people wondered if the Maryland team would have a home-field advantage because they are so close to Washington, D.C. As the week progressed, and Maryland won the Communications contest and was second in Architecture, Market Viability, and Lighting, it became clear that Maryland didn't need any advantage. The Communications Jury praised their excellent Web site and house tour. The Architecture Jury said the house definitely belonged in the top tier. The Lighting and Market Viability juries also had high praise. They were one of seven teams to score a perfect 100 points in the Energy Balance contest. Total points 999.807

Third Place: Santa Clara University

This team wanted to build a sustainable solar house that is functional, elegant, and innovative—and they did just that. The Communications Jury lauded their friendly, enthusiastic house tour, which was informative, entertaining, and very much "on target" for public audiences. They were one of five teams to score a perfect 100 points in the Hot Water contest and one of seven teams to score a perfect 100 points in the Energy Balance contest. Their house almost didn't make it to the Solar Decathlon, because their transport truck broke an axle and delayed them by three days. Total points 979.959

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• Solar Energy
• Energy Technology
• Energy Policy

• Energy and the Environment
• Renewable Energy
• Geomagnetic Storms

• Biomass
• Solar radiation
• Distributed generation
• Energy conservation
• Geothermal power
• Hurricane proof building