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A comment on Smaller, Cheaper Flow Batteries Throw Out Decades-Old Designs. Parent comment

Re:Smaller, Cheaper Flow Batteries Throw Out Decades-Old Des... by marmadukester39 on Saturday January 28, 2023 @08:19PM (#34563899)
Decommissioned mines. Saw an article about it somewhere recently.
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Re:Smaller, Cheaper Flow Batteries Throw Out Decades-Old Des... by bobthepanda on Saturday January 28, 2023 @08:55PM (#34564084)
Really, you just need any elevation difference. I would imagine Oklahoma already builds water towers.
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