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> And most already build hydroelectricity facilities can be retrofitted (although at high cost) to become pumped-storage hydroelectricity facilities. Really?
by kwhitefoot 3y ago
> And most already build hydroelectricity facilities can be retrofitted (although at high cost) to become pumped-storage hydroelectricity facilities.
Really? You need a huge downstream reservoir to hold the water that you are going to pump to the upstream reservoir.
- ElectricalUnion 3y agoWhat prevents you from digging a very deep downstream hole to store such water besides cost?
- kwhitefoot 3y agoI think you need a bigger word than digging, it wouldn't be a gang of navvies with shovels. The cost would be enormous, there are better ways to spend the money: solar, wind, better electricity networks, DC interconnects.