Microsoft Stackbo, Gävle

Partially operational
Stackbo, Gävle is a partially operational data center campus in Gävle, Sweden, run by Microsoft (Azure), with an estimated 106 MW of live IT capacity. With no capacity figure published for its buildings in service, the figure adds up estimates from their floor area. It has three buildings in service. Its reported power usage effectiveness (PUE) is 1.20. Over the 12 months to June 2025, Microsoft's three Gävle – Sandviken sites together drew ≈80 MW of electricity on average, as the operator reports it for the metro; the figure is not divided between sites.
Microsoft (Azure)

Stackbo, Valbo, Gävle kommun
Estimated capacity
≈106 MW
from the live buildings
Estimated footprint
66 000 m²
estimated floor area (footprint × derived storeys)
Facilities in campus
3
Planned expansion
Coming soon
Last updated: 10 October 2026

Source: naturvardsverket.se