CleanPowerDaily

TODAY'S LEAD: A massive 5 GWh thermal energy storage system — among the largest of its kind — has gone live at a South Dakota biofuels facility, signaling that long-duration storage technology is moving from pilot stage to industrial deployment. Meanwhile, the elimination of the 5% safe harbor provision under the One Big Beautiful Bill Act is forcing solar developers into a scramble to meet physical work test deadlines, reshaping project timelines across the industry. KEY DEVELOPMENTS POET, Anto