Jean Zay Supercomputer Expansion

GENCI / IDRIS (French Government) · Saclay, Île-de-France, France

Operational (expanding) sovereign-aitrainingeuropenuclearsupercomputeroperational
Capacity
15 MW
Investment
$250M
Status
Operational (expanding)
Expected Online
Operational (expansion 2026-Q4)

Facility Specifications

Operator GENCI / IDRIS (French Government)
Location Saclay, Île-de-France, France
Coordinates 48.7, 2.2
Status Operational (expanding)
Capacity 15 MW
GPU Deployment H100 / H200 clusters (2,048+ GPUs)
Purpose France's national AI supercomputer — EuroHPC joint undertaking, training for French and European AI research
Power Source Grid (EDF, 90% nuclear)
Investment $250M
Announced Jun 1, 2023
Expected Online Operational (expansion 2026-Q4)
Last Updated Jun 24, 2026

Sources