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A comment on CO2 Batteries That Store Grid Energy Take Off Globally. Parent comment

Re:CO2 Batteries That Store Grid Energy Take Off Globally by cenamus on Monday December 22, 2025 @10:30AM (#46354895)
Probably extremely poorly, as that's basically pumped hydro on _tiny_ scale. The amount of mass/water that fits into storage lakes is insane
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Re:CO2 Batteries That Store Grid Energy Take Off Globally by LikeBeans on Monday December 22, 2025 @04:56PM (#46359604)
Good point. I was thinking more about areas without much water and a large field of poles each hoisting several blocks. Sort of wind turbines but without the blades.
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