Campus AI Paris France: €8.5B MGX Bpifrance Mistral AI Megacampus Specs
Status: Under Development / Early Site Preparation | Location: Route Départementale 57 (D57), 77390 Fouju, Seine-et-Marne, Île-de-France, France
Project Overview
Campus AI is a landmark €8.5 billion sovereign artificial intelligence infrastructure joint venture involving Bpifrance, Abu Dhabi-based AI investment firm MGX, Mistral AI, and NVIDIA, representing one of Europe’s most ambitious investments in large-scale AI computing infrastructure. Located in Fouju in the Seine-et-Marne department of the wider Paris region, the flagship campus is planned with approximately 1.4 GW of power capacity, positioning it among the continent’s largest purpose-built AI infrastructure developments. The project is designed to address the rapidly increasing demand for high-performance computing resources required to develop, train, deploy, and operate advanced artificial intelligence models at scale. Rather than focusing solely on conventional cloud workloads, Campus AI is intended to support the complete AI lifecycle, ranging from large language model training and fine-tuning to high-volume inference, advanced research, and sovereign cloud execution. The development is particularly significant for Mistral AI, whose compute requirements are directly anchored by the campus, providing access to dedicated infrastructure for the development and deployment of increasingly sophisticated AI systems. At the same time, the facility is expected to serve a broader ecosystem that includes academic institutions, government organizations, technology companies, and enterprise customers seeking access to sovereign AI computing capabilities. Its strategic importance extends beyond computing capacity, as the project reflects Europe’s broader push to strengthen technological independence, expand domestic AI infrastructure, and reduce reliance on overseas computing platforms. With its multi-gigawatt-scale long-term ambition, major industry partnerships, strategic location near Paris, and focus on sovereign AI workloads, Campus AI is positioned to become a major European hub for advanced computing, AI research, model development, and large-scale inference.
Quick Facts
| Field | Value |
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| Project Name | Campus AI Paris France: €8.5B MGX Bpifrance Mistral AI Megacampus Specs |
| Location | Route Départementale 57 (D57), 77390 Fouju, Seine-et-Marne, Île-de-France, France |
| Status | Under Development / Early Site Preparation |
| Commissioning | H2 2026 Construction Start – 2028 Target Initial Phase Operations |
| Total IT Load | 1.4 GW Critical IT Power Capacity (Flagship Fouju Campus) / Scaling to 3.0 GW Nationwide Campus AI Framework |
| Total Capacity | Multi-facility master-planned AI campus encompassing 12 dedicated hyperscale data center modules |
| Tier Level | Tier III / Tier IV Equivalent Fault-Tolerant Sovereign Compute Standards |
| Project Type | Purpose-Built Sovereign AI Megacampus, Exascale Compute & Foundation Model Training Hub |
City Profile
| Header | Details |
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| City Name | Fouju |
| Population | 650 |
| Urban Agglomeration | Part of the wider Paris metropolitan region |
| City GDP | Not separately reported |
| Per Capita Income | Not separately reported |
| City Tier | Tier 4 – Small Rural Commune |
| Key Strengths | Proximity to Paris; access to the Île-de-France economy; relatively low-density environment; access to regional road infrastructure; proximity to Melun; and availability of surrounding land for selected industrial and infrastructure developments. |
Companies Involved
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| Developer / Operator | Nvidia Corporation |
| Strategic Infrastructure Partner | French Ministry of Economy, RTE (Réseau de Transport d'Électricité), EDF Group, Bouygues, École Polytechnique, Sipartech |
| Construction Contractor | Bouygues Construction & Specialized European Mission-Critical EPCs |
| MEP Engineering | Mission-Critical AI Thermal Architecture & Electrical Engineering Specialists |
| Network Connectivity | Carrier-neutral facility with path-diverse subterranean fiber entrance vaults, dedicated Meet-Me-Rooms (MMRs), high-speed fiber backbones via Sipartech, and direct interconnects to Paris carrier hotels and European Internet Exchanges (France-IX). |
| Power Infrastructure | Direct connection to the RTE high-voltage transmission grid powered by French nuclear energy, static 2N / N+1 uninterruptible power supply (UPS) modules, fast-transfer switchgear, and backup generators with localized fuel reserves. |
Technical Specifications
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| Power Capacity | ~1.6+ GVA Dedicated Substation Grid Service Allocation (Fouju Campus) |
| UPS Redundancy | Concurrently Maintainable 2N / N+1 Static UPS Systems |
| Cooling System | Water-free direct-to-chip liquid cooling (DLC) combined with closed-loop dry coolers, optimized for dense NVIDIA Blackwell/Rubin GPU clusters and zero-water operation. |
| Connectivity | Ultra-low latency optical dark fiber routes connecting Seine-et-Marne directly to central Paris cloud availability zones, scientific research centers, and Western European transport rings. |
| PUE Target | < 1.15 Annualized Operational Design PUE |
| Energy Mix | Powered by 100% low-carbon grid electricity (French nuclear & long-term renewable power purchase agreements). |
Milestones
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| Announcement | May 2025 (Choose France Summit) / Extended Expansion June 2026 |
| Construction Start | H2 2026 Target |
| Phase 1 Go-Live | 2028 Operations Target |
| Full Buildout | Multi-Phase Gigawatt Campus Rollout across Fouju and secondary expansion sites |
Investment Details
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| Total Investment | €8,500,000,000 EUR (~$9.6 Billion USD Initial Fouju Campus Investment) |
| Funding | Joint Venture Equity & Infrastructure Financing (MGX, Bpifrance, Mistral AI, NVIDIA) |