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A comment on Construction begins on world’s biggest liquid air battery. Parent comment
https://en.wikipedia.org/wiki/Energy_return_on_investment#ES...
according to the wiki, pumped hydroelectric storage has a ratio of 704 where as compressed air energy storage has a ratio of 792.
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https://en.wikipedia.org/wiki/Energy_return_on_investment#ES...
according to the wiki, pumped hydroelectric storage has a ratio of 704 where as compressed air energy storage has a ratio of 792.