March 4, 2024



World’s first commercial sand battery begins energy storage in Finland

New Atlas

Loz Blain

Wind and solar power are intermittent, generating power when it’s available rather than when it’s needed, so the green energy transition will require huge amounts of energy storage. This could end up taking many forms, from conventional lithium-based “big battery” installations, to flow batteriessilicon phase-change batteriesmolten salt batteriesiron-air batteriesgravity batteriescarbon dioxide expansion batteries, and other more unusual ideas like buoyancy batteries.