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A comment on Ditch the Batteries: Off-Grid Compressed Air Energy Storage. Parent comment

Re:Ditch the Batteries: Off-Grid Compressed Air Energy Storage by jandrese on Thursday May 24, 2018 @11:35AM (#17145020)
I think it is more typically done with old mines. Natural caves are far more complex systems and there are environmental concerns.
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Re:Ditch the Batteries: Off-Grid Compressed Air Energy Storage by newman8r on Thursday May 24, 2018 @11:58AM (#17145250)
you're right - it looks like the caverns being used for experimentation are the result of solution mining for salt.
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