U.S. Department of Energy targets vastly cheaper batteries to clean up the grid

The U.S. Department of Energy has announced a new goal to reduce the cost of grid-scale, long-duration energy storage by 90 percent by 2030. MITEI’s Nestor Sepulveda SM ’16 PhD ’20 says, “One big obstacle right now is that there’s no policy requirements for utilities to build long-duration storage.”