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by jakzurr 1490 days ago
Not Carnot, it's mechanical. https://en.wikipedia.org/wiki/Pumped-storage_hydroelectricit...

It's not 100%, but it's not bad.
1 comments
olau 1490 days ago
The comment you're replying to is discussing using heat for pressure, not electrical pumps.
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jakzurr 1490 days ago
Ah, you're absolutely right, that was my mistake. hp48fan seems correct that it would make a minuscule difference.
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