CleanPowerDaily

TODAY'S LEAD: Utah has become the first U.S. state to legalize plug-in balcony solar systems, a European import that could dramatically lower the barrier to residential solar adoption — and a wave of similar legislation is building in statehouses nationwide. Meanwhile, a new study finds solar paired with hydraulic hydro storage could deliver electricity at an almost unbelievably low 2.2 cents per kilowatt-hour in parts of the country, a figure that would undercut virtually every competing energy