Expert brief
PUE & WUE: data center efficiency KPIs
Updated 2026-06-06•By Antoine Cazals — Voltarione•Read ~3 min
PUE = total energy / IT energy. EU 2027 target: < 1.3. WUE = litres of water / kWh IT. Target: < 0.4 L/kWh without aquifer use.
Sources & references
Data and methodologies based on:
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