Hyperscaler company-reported fleet PUE (mixed cooling architectures and climates)
1.08–1.17observed
| Value kind | observed — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range. |
|---|---|
| Scope | Whole-fleet averages across cooling types and climates; not an air-cooling architecture result and not a design guarantee for one site. |
| As of | Meta 2024; AWS 2025; Microsoft FY2025; Google TTM to 2026-06-30 |
| Source | Google Data Centers efficiency page, 2026 Q2 fleet TTM 1.09; AWS Sustainability page, 2025 average global PUE 1.14; Microsoft Datacenters efficiency page, FY2025 global PUE 1.17; Meta 2025 Sustainability Report, Environmental Data Index, 2024 PUE 1.08 · Meta: Environmental Data Index (the report narrative carries no PUE figure); Google: fleet row, Quarter 02 2026; AWS: Sustainability page, 2025 average global PUE; Microsoft: datacenters.microsoft.com, FY25 global PUE |
| Review | checking…review by 2027-01-31 · standard cadence |
| Recorded changes | last 2026-10-19 · 3 revisions tracked |
| Claim id | p2b-15-2-hyperscaler-air-fleet-pue |
Where the guide uses it
← Full numbers register — every date-stamped figure in the guide, with revision history.