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The story
The European Union is advancing a new directive that would require data centers to disclose how much electricity and water they consume. In the Lemmy community “c/europe,” the move was largely welcomed, but commenters also raised pointed questions: do the reported numbers actually reflect reality, and what mechanisms exist to prevent cheating? Commenters cited Spain’s rule requiring data centers to source 80% of their hourly electricity consumption from renewables, and debated how strict regulation can really be when power grids aren’t separated by operator, as well as how to rein in the ever-growing consumption of data centers fueled by the AI boom.
EU to mandate disclosure of energy and water usage by data centers
Cross-posted from: a post on scribe.disroot.org
> Archived version link (removepaywall.com)
Source: scribe.disroot.org / Original article here
What people said
Spain already requires data centers to cover 80% of their hourly power consumption with renewables.
So there are ways to do it.
Sadly, most politicians are too weighed down by the bribes in their pockets to move.
The grid is all interconnected, so you can't really tell exactly which power you're using…
We'll see once the directive actually takes effect, but the US and China will almost certainly adopt similar rules eventually… once again, the EU is a step ahead.
Unless you build your own power plant or fund grid expansion yourself. In either case, you could end up investing in fossil fuels just as easily as renewables.
But in most European countries, even building a small power plant means wading through a mountain of bureaucracy. It's not like the US, where you can just 'build it and it fires right up.'
Nice! Spain's naturally well-suited for solar power anyway, so following that rule shouldn't be too hard for them.
I think the 'hourly consumption' part is the clever bit. It means they can't just cover the priciest hours of the day with fossil fuels — they actually have to invest in renewables for real.
Exactly!
There are also audits and third-party verification mechanisms. Sure, companies could try to fake the numbers, but if they get caught, they won't get off easy. For example, when factories report emissions, they're required to use an independent accredited lab — they can't just submit their own in-house test results.
And then what, you're going to rely on the US or China for that?
Half right, half wrong, I'd say. In practice you can choose to purchase renewable energy specifically, and that sends the right signal to the generators feeding the grid.
Background and key points of this discussion
The debate over data center power and water consumption is one of many areas where regulation worldwide is struggling to keep pace with the AI-driven surge in demand. The EU’s new rule only mandates disclosure — the thread left the details of penalties and verification methods unresolved, and the biggest point of contention was how to guarantee the accuracy of the reported figures. Since power grids aren’t separated by operator, commenters pointed out that even with a renewables quota like Spain’s, it’s technically difficult to precisely tie a data center’s individual consumption to the grid’s overall energy mix. Some called for independent third-party verification, similar to how factory emissions reporting works, arguing that disclosure alone isn’t enough. In Japan, where companies rarely disclose their power consumption at all, the fact that this kind of transparency is even being debated as policy overseas is itself notable.
*This article excerpts and translates into Japanese, by our editorial staff, the thread “The EU will force data centers to disclose their energy and water use” from the overseas forum Lemmy c/europe. Responsibility for the translated content lies with this site.
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