The European Commission has proposed new rules that would require data centres across Europe to disclose how efficiently they use energy and water, as policymakers move to confront the growing environmental cost of digital infrastructure.
Europe’s Data Centre Expansion Meets Resource Constraints
The initiative comes as the European Union seeks to triple its data centre capacity over the next seven years, a move designed to support rapid artificial intelligence development and reduce dependence on US-based technology giants. But the expansion also raises a familiar infrastructure dilemma: how to scale digital capacity without overloading electricity grids, intensifying water stress, and increasing carbon emissions.
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A New Transparency Regime For Operators
To encourage more efficient design and operation, the Commission has proposed a rating system intended to make energy and water performance more transparent. The scheme would not cap consumption or require operators to disclose total power use. Instead, facilities with a capacity of 500 kW or more would need to report energy and water efficiency through an EU-designed labelling framework.
Operators would also be required to reveal how their water consumption relates to local water stress conditions, as well as whether their sites can support the broader energy system, for example by reusing waste heat.
A Possible Precursor To Stricter Standards
The label may prove more than a disclosure exercise. It could pave the way for mandatory minimum standards on energy and water efficiency, rules the EU is already developing as it tries to align digital growth with sustainability goals.
According to an EU report published in June, data centres account for about 2.5 per cent of electricity consumption across the bloc. That share is expected to rise sharply as capacity more than doubles by 2030, reaching 28 gigawatts from 12 gigawatts last year.
What Comes Next
EU member states and lawmakers now have two months to object to the proposal. If no objections are raised, the rules will automatically enter into force.







