As a zero energy house*, the goal is to generate all the necessary energy from on-site power and efficiency measures. Specifically, the Idea House will have rooftop solar, solar hot water, and a vertical-axis small wind turbine, judging by the rendering. In addition, the 1700 sf home will have a large, 1200 sf green roof and a host of other green features (via Zero Energy Idea House Breaks Ground - Jetson Green)