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this post was submitted on 19 May 2026
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How many AI datacenters will it take to boil the ocean?
It would probably take more energy than we can harvest on earth, considering the sunlight and geothermal energy doesn't boil it currently.
I could see it affecting the temperature on local scales, such as the area immediately around the data center.
Good point, although on the local scale you mention, wildlife could still be impacted. Hopefully, the overall impact on the ecosystem will be monitored and studied before expanding these data centers more broadly.
There are a number of 6-8GWe nuclear plants that dump 15+GW into the nearby sea (or in the case of Bruce, into Lake Huron). I don't see it being much of an issue. Better than virtually any other cooling option.
The issues are maintenance, energy source, and equipment supply.
The plants on the lakes so monitor the water temp so they don't affect the ecosystem during the warmer seasons still.
But I doubt the one in NB had to worry about that when more water flows by it than all the rivers in the world combined.
But yes, much better source of cooling at the cost of maintenance and equipment. Just like tidal power but with fewer moving parts.
Well, if the energy comes from solar on the thingy, then it's probably going to cool the ocean, could be similar with wind.
That's a good point. Maybe not cool, but it would warm the water less.
(I'm guessing solar cells reflect less energy back into space than water, since they're specifically designed not to.)
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