EU complaint over data centre energy and water use transparency

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A Dutch non-profit filed a complaint with the European Commission alleging that data centre energy and water consumption data is withheld from public access, despite the EU's obligations under the Aarhus Convention. The Commission reports that European data centres used 20.7 terawatt-hours of electricity and over 8 million cubic metres of water in 2025, and has announced a new energy efficiency rating system (A to G) launching next summer.