> Giant versions of the lithium-ion batteries in electric vehicles are also being deployed on the grid, but they’re too expensive to do the job alone. It seems

> Giant versions of the lithium-ion batteries in electric vehicles are also being deployed on the grid, but they’re too expensive to do the job alone. It seems unwise to state this as if it's an unchangeable law of nature when battery prices have dropped by 97% in the last three dacades. And, solar plus batteries probably beats pumped hydro on various axis, including cost, in most of the world today.