Data centers above ** MW were the most energy‑efficient in 2023, recording the lowest average power usage effectiveness (PUE). This was according to data reported under the European Union’s Energy Efficiency Directive (EED) which requires large facilities to submit energy performance metrics to a central EU database.
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European Commission. (July 1, 2025). Average weighted power usage effectiveness (PUE) of data centers in the European Union in 2023, by size [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 19, 2026, from /statistics/1659994/average-data-center-pue-europe-size/
European Commission. "Average weighted power usage effectiveness (PUE) of data centers in the European Union in 2023, by size." Chart. July 1, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 19, 2026. /statistics/1659994/average-data-center-pue-europe-size/
European Commission. (2025). Average weighted power usage effectiveness (PUE) of data centers in the European Union in 2023, by size. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 19, 2026. /statistics/1659994/average-data-center-pue-europe-size/
European Commission. "Average Weighted Power Usage Effectiveness (Pue) of Data Centers in The European Union in 2023, by Size." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 1 Jul 2025, /statistics/1659994/average-data-center-pue-europe-size/
European Commission, Average weighted power usage effectiveness (PUE) of data centers in the European Union in 2023, by size ÌÇÐÄÆƽâ°æ, /statistics/1659994/average-data-center-pue-europe-size/ (last visited July 19, 2026)
Average weighted power usage effectiveness (PUE) of data centers in the European Union in 2023, by size [Graph], European Commission, July 1, 2025. [Online]. Available: /statistics/1659994/average-data-center-pue-europe-size/
