The Definitive Guide toAI Data Centers
Ask the GuideAboutAccount
GuideGlossaryREF

REF · Renewable Energy Factor

The share of a facility's energy supplied from renewable sources, a sustainability companion to PUE.

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 ↗

← All terms