Off river pumped hydro can still be at a higher elevation. It’s just not the entire river itself. https://iopscience.iop.org/article/10.1088/2516-1083/abeb5b ht

Off river pumped hydro can still be at a higher elevation. It’s just not the entire river itself. https://iopscience.iop.org/article/10.1088/2516-1083/abeb5b https://iopscience.iop.org/article/10.1088/2516-1083/abeb5b