EU proposes mandatory energy and water disclosure rules for large data centers
The European Commission has proposed requiring data centers with over 500 kW capacity to disclose their energy and water usage through a standardized rating system, similar to appliance energy labels. The rules would not cap power or water consumption but would require operators to report water use relative to local water stress and disclose whether they recycle waste heat back into local energy systems.
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The EU wants to triple its data center capacity within seven years to reduce reliance on US tech infrastructure, but that expansion collides with concerns about strained power grids, water scarcity, and rising carbon emissions tied to AI's growing compute demands. This disclosure framework could become the foundation for future binding efficiency standards, giving regulators leverage over an industry whose electricity consumption is projected to nearly double by 2030.
- Rules apply only to data centers above 500 kW capacity.
- Disclosure covers water stress impact and waste heat reuse, not total consumption caps.
- EU data center electricity use is projected to rise from 68 TWh to 114 TWh by 2030.
Source: engadget.com — Kris Holt, 2026-09-21
Published there as: “The EU will force data centers to disclose their energy and water use”
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