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WUE · Water Usage Effectiveness

Liters of water consumed per kWh of IT energy; the water analog of PUE that evaporative cooling worsens.

Liters of water consumed per kWh of IT energy; the water-efficiency companion to PUE.

Also written as: Water Usage Effectiveness

Current numbers

≥500 kWEU EED data-center reporting threshold (~31 data points incl. PUE/WUE/ERF/REF; due 15 May annually)as of 2026-08-24 · register ↗
≥500 kWEU EED Delegated Reg. (EU) 2024/1364 reporting threshold; ERF reported alongside PUE, WUE, REF to the EU database (~31 data points)as of 2026-08-24 · register ↗
≥500 kWEU EED Art. 12 reporting threshold (installed IT power); ~31 data points incl. PUE/WUE/ERF/REFas of 2026-08-24 · register ↗

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