Cheap Batteries Are Taking Over the Grid: What the 2026 BESS Boom Looks Like From the Inside

Battery storage costs have fallen 75 percent since 2018 and are still dropping. A UBS research note published April 20 projects global BESS demand hitting 1.6 TWh by 2030, with US deployments tripling. From inner Mongolia to New Zealand to Argentina, the buildout is accelerating fast enough that th…