operating PUE range documented by Nordic hyperscale/wholesale operators (Google Hamina 1.09 TTM 2024; Meta Luleå ~1.07; atNorth portfolio 1.20 at design load) vs the global average annual PUE of 1.54 (Uptime Institute 2025 survey, n=681)
~1.07-1.20 vs 1.54 globalobserved
| 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 | Operator-reference range, not a universal design guarantee — PUE comparisons are sensitive to utilization, redundancy, measurement boundary and climate. Dense AI liquid-cooling plants still gain at the heat-rejection stage. |
| As of | 2024-2025 |
| Source | Uptime Institute 2025; Google/Meta/atNorth operator disclosures |
| Review | checking…review by 2026-10-22 · standard cadence |
| Recorded changes | none recorded |
| Claim id | nordic-operating-pue-vs-global-average |
Where the guide uses it
Not quoted in a chapter yet; it is kept in the curated register.
← Full numbers register — every date-stamped figure in the guide, with revision history.