"Solar on Palm Desert Walmart" by Walmart Corporate is licensed under CC BY 2.0 In a major clean energy benchmark, wind, solar, and hydro exceeded 100% of demand on California’s main grid for 30 of the past 38 days. Stanford University professor of civil and environmental engineering Mark Z. Jacobson has been tracking California’s renewables performance, and he shares his findings on Twitter (X) when the state breaks records. Yesterday he posted: Jacobson notes that supply exceeds demand for “0....