Good News Notes: “For the first time ever, California, the world’s fifth-largest economy, was powered by 100% clean energy on Saturday, April 30. That milestone was driven largely by solar power. California’s 100% clean energy milestone Energy demand statewide reached 18,672 megawatts at 2:45 pm, with 37,172 MW available. (Excess is exported to neighboring states.) 101% of…