@kevinrns "It’s the lowest total-cost grid storage technology to be deployed anywhere in the world.”
Does that include pumping water uphill? #pumpedHydro
https://theconversation.com/batteries-get-hyped-but-pumped-hydro-provides-the-vast-majority-of-long-term-energy-storage-essential-for-renewable-power-heres-how-it-works-174446
