Hyperscaler fleet PUE for economized air-cooled halls as quoted in the SemiAnalysis cooling primer (Meta 1.08, Google 1.10, Microsoft and AWS about 1.15)
1.08–1.15observed
| 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 | Company-reported fleet averages as quoted; economized air-cooled halls across mixed climates, not a design guarantee for one site. |
| As of | 2025-02-13 |
| Source | SemiAnalysis, Datacenter Anatomy Part 2 – Cooling Systems, 13 February 2025; states Google and Meta operate at around 1.1 PUE and Microsoft and AWS around 1.15, with Meta at 1.08 and Google at 1.10, against an Uptime industry average of about 1.6. |
| Review | checking…review by 2027-03-08 · standard cadence |
| Recorded changes | last 2026-09-16 |
| 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.