California becomes first state to mandate solar panels on new homes 11th May 2018NewsDeleted User California Just Became First State to Mandate Solar Panels on New Homes | InsideClimate News https://insideclimatenews.org/news/09052018/california-solar-panel-mandate-new-homes-energy-standards-efficiency-climate-change-impact?amp&utm_source=twitter&utm_medium=social&__twitter_impression=true