9 ms·

Not Carnot, it's mechanical. https://en.wikipedia.org/wiki/Pumped-storage_hydroelectricity https://en.wikipedia.org/wiki/Pumped-storage_hydroelectricit... It's

Not Carnot, it's mechanical. https://en.wikipedia.org/wiki/Pumped-storage_hydroelectricity https://en.wikipedia.org/wiki/Pumped-storage_hydroelectricit... It's not 100%, but it's not bad.

olau 4y ago
The comment you're replying to is discussing using heat for pressure, not electrical pumps.
- jakzurr 4y ago
  Ah, you're absolutely right, that was my mistake. hp48fan seems correct that it would make a minuscule difference.
  - hp48fan 4y ago