this post was submitted on 16 Aug 2026
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Wallonia is turning off the tap for Google and banning water cooling at a new datacenter. Wallonia's Minister of Spatial Planning refusing to issue a modified permit for this purpose (www.nieuwsblad.be)
submitted 2 days ago by stumu415@lemmy.zip to c/technology@lemmy.world
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The American technology giant wanted to cool the new data center with water from the nearby river. The data center, which is almost complete, retains its air cooling system. The Walloon administration for Waterways had previously given a positive advice, after which the amended permit was granted. 

But after investigation, Desquesnes, the Minister for Spatial Planning, decided to refuse the permit as a precaution. According to him, the current drought in Wallonia and the consequences of climate change cause too much uncertainty. “I don't want to commit myself to a hydrological context that is changing dramatically”, he explained Le Soir.

The minister says he has insufficient certainty that the Walloon Region can continue to bear the requested water consumption in the coming years. “There is a risk that the responsibility of the Region, including financially, will be jeopardized.”

Google confirms that it analyzing the decision. The company can appeal the minister's decision to the Council of State.

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[–] Blaster_M@lemmy.world 27 points 2 days ago* (last edited 2 days ago) (1 children)

Yes. Open loop water cooling should not be a thing right now. Figure out how to air cool or closed-loop please.

[–] boonhet@sopuli.xyz 7 points 2 days ago* (last edited 2 days ago)

Air cooling is probably not possible at modern data center scale (at least AI data centers, they have ridiculous power density), closed loop cooling very much is, but it takes more power so it's cheaper to just evaporate a ton of air unfortunately.

Going to need bills like this everywhere, or water prices raised significantly for non-home usage.

As far as I understand, they use air conditioning PLUS water cooling. As in, the water is used to cool the AC condensers. Because even just AC alone isn't cutting it.