this post was submitted on 30 Aug 2025
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It's not -a lot- of electricity ... a couple of thousand kWh per day. It's also used to de-salinate ocean water ... of which there's plenty.

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[–] Jason2357@lemmy.ca 11 points 4 days ago

They are just re-capturing some of the energy the system spent turning salt water into fresh. Because that results in extremely salty brine water waste, you can get some energy as it gets diluted back down to sea water concentration.

There no “new” energy in the system, it’s just wasting less.