Three major sites anchor Mistral AI's compute build-out: Bruyères-le-Châtel today, Borlänge in 2027, and a 1.4 GW campus at Fouju by 2028

Asked:

“I need a list of major Mistral data centers with a few reliable sources per data center”

Public reporting supports three major, specifically located physical infrastructure projects tied to Mistral AI — as tenant, long-term investor or joint-venture partner, not necessarily owner-operator. The evidence here is 18 source rows across 7 publishers; after excluding generic listing pages and unconfirmed sites (EcoDataCenter Falun and Smedjebacken) and merging alternate labels, coverage is these three projects.

Reported electrical scale of the three sites

Units and scopes differ and are not directly interchangeable: Bruyères-le-Châtel's 44 MW is powered capacity for Mistral's own deployment, Borlänge's 250 MW is the campus's first phase, and Fouju's ~1.4 GW is a full build-out target. GPU counts and investment figures are separate measures again. Hover or tap a bar for the full picture.

At Bruyères-le-Châtel, Mistral raised $830m in debt financing to buy and operate 13,800 NVIDIA GB300 GPUs in Eclairion's leased halls — 44 MW of powered capacity. datacenterdynamics.com
Borlänge is Mistral's first AI infrastructure investment outside France: a €1.2 billion commitment to deploy next-generation NVIDIA Vera Rubin GPUs from 2027. ecodatacenter.tech
Campus AI at Fouju is a joint venture with MGX, Bpifrance and NVIDIA — 12 data centers across 70 hectares at full build-out, with the first three buildings due live in 2028. datacenterdynamics.com
Campus AI has since been framed as part of a potential 3 GW national network of AI factories across France — a network target distinct from Fouju's original 1.4 GW specification. mgx.ae

Site by site: relationship, timing, scale and sources

Comparison table

ProjectLocationOwner / operatorMistral's roleStatusReported scaleSources

Method: built from a researched source table of 18 rows across 7 publisher hosts (Data Center Dynamics, EcoDataCenter, MyNewsDesk, GE Vernova, MGX, Data Center Sweden, DCD Spanish edition), compiled 2026. "Mistral data centers" means major announced physical projects where Mistral is tenant, investor-partner or JV partner — not sites it owns outright. Excluded: generic DCD index pages, cloud regions that merely serve Mistral models, and EcoDataCenter's Falun and Smedjebacken sites, which the rows do not establish as the announced Mistral project. No single URL backs more than one row; the Bruyères-le-Châtel bibliography is a single-publisher (DCD) shortlist. MW figures mix powered capacity, campus phases and full build-out targets; charted on a log scale for comparability.

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