Data Centre

Mistral / MGX Campus

France

6th-largest data centre worldwide · top 43% worldwide (#6 of 14)

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Operator: Mistral AI / MGX / Nvidia
Status: proposed
Capacity: 1,400 MW
Commissioned: 2027

Comparable data centres · worldwide · 14 ranked

#1Meta Hyperion5.0 GW
#4AWS Project Rainier2.2 GW
#5HUMAIN AI Campus1.9 GW
#6Mistral / MGX Campus1.4 GW
#7Stargate — Abilene1.2 GW
#8xAI Colossus1.1 GW

Grid connection · within 50 km

Nearest substation: Poste électrique de Cirolliers
Its voltage: 400 kV
Distance: 10.0 km
Strongest line nearby: 400 kV
Line operator: RTE
Substations in range: 5

Mapped grid infrastructure from OpenStreetMap, whose coverage is excellent in some regions and sparse in others. Nothing shown here means nothing is mappednearby — not that the site is unconnected. Lines are matched on a segment’s midpoint, so a corridor passing directly overhead can be missed; this under-reports rather than invents.

Co-located infrastructure · within 25 km

Liaison 400 kV n°3 Cirolliers - Villejust8.5 km · Transmission Line
Liaison 400 kV n°3 Cirolliers - Villejust8.9 km · Transmission Line
Liaisons 400 kV n°1 et n°2 Cirolliers - Villejust9.5 km · Transmission Line
Eclairion9.7 km · Data Centre
Poste électrique de Cirolliers10.0 km · Substation / Converter
CNRS16 km · Data Centre
Data4 Campus Paris Saclay16 km · Data Centre
Poste électrique de Villejust19 km · Substation / Converter

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Portfolio

All assets by Mistral AI →All assets by MGX →All assets by Nvidia →

Essonne · large French AI campus (Bpifrance/MGX)

SOURCE: Public reporting / operator announcements (approx.)