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Something like Pumped Storage Hydroelectricity? https://en.wikipedia.org/wiki/Pumped-storage_hydroelectricity https://en.wikipedia.org/wiki/Pumped-storage_hydro

Something like Pumped Storage Hydroelectricity? https://en.wikipedia.org/wiki/Pumped-storage_hydroelectricity https://en.wikipedia.org/wiki/Pumped-storage_hydroelectricit... There are several of these facilities in the US, although no new ones have been built in quite some time. I believe that as the price of solar goes down, more of these styles of facilities will open.

rsynnott 8y ago
The trouble with pumped storage is that it's usually only economical to do where you have suitable geography which can be economically connected to the grid. It's by no means useless, but other storage mechanisms are needed.