The 2012 Solar Decathlon Europe kicks off this weekend as 19 teams of students from around the world unveiled stunning solar-powered homes in the heart of Madrid. This year's teams combined cutting-edge eco technology and green building strategies with tremendous creativity to achieve the decathlon's goal of creating the world's most efficient sun-powered house. From cylindrical solar homes that generate two times more energy than they consume to Passivhauses inspired by traditional architecture and modular prefab marvels, read on for 6 of our favorite projects in the European Solar Decathlon - and stay tuned for our exclusive coverage this weekend!
Team Zaragoza‘s Casa Pi is the only circular house in this year’s European Solar Decathlon. The sun powered cylindrical home is designed to generate two times more energy than it consumes while cutting water use by one half.