The Electric Power Research Institute (EPRI) is overseeing a pilot project to build nine net-zero energy homes in Fontana, California. SunEdison will supply advanced battery systems for the endeavor. Also partnering on the project are national homebuilder Meritage Homes, which is constructing the houses, the California Public Utilities Commission and local utility Southern California Edison. The research institute is leading the project to evaluate how net-zero energy homes that generate and store their own energy impact the local electricity grid. The is project is significant for the state’s future grid planning: Under the California Public Utilities Commission's Energy Efficiency Strategic Plan, California aims to have all new homes be net-zero starting in 2020, and all new commercial buildings by 2030.