DEPLOY

Data center campus

MGX/Bpifrance/Nvidia/Mistral AI Campus (Bruyeres-le-Chatel)

MGX/Bpifrance/Nvidia/Mistral AI Campus is an AI data center campus developed by Eclairion in Essonne, Bruyeres-le-Chatel. 0.04 GW of capacity has been announced; 0.04 GW is energized. The gap is what this page tracks: what is claimed versus what is actually built, each figure dated and sourced.

Announced · Eclairion · Private land · other · Bruyeres-le-Chatel, Essonne, France

Track MGX/Bpifrance/Nvidia/Mistral AI Campus (Bruyeres-le-Chatel)

Capacity: announced vs energized

Contracted
not recorded
Under construction
not recorded

Announced-to-energized gap: 0 GW. Every figure below is a single dated, sourced claim. Current best per series resolves by evidence tier, then date. See the methodology.

95th-largest announced of 97 tracked campuses24th by energized capacity≈ 36,000 homes of power at full announced capacity (basis)

Promised online: 2028. Energized capacity is now on record. Claimed by MGX / Bpifrance / NVIDIA / Mistral AI JV (source).

MGX/Bpifrance/Nvidia/Mistral AI Campus (Bruyeres-le-Chatel) capacity claims
Source
Announced1.40 GW2025-05-19claimedpress release
Announced0.04 GW2025-02-06reportedjournalist report
Energized0.04 GW2026-06-01reportedjournalist report
Energized0 GW2025-05-19reportedjournalist report

Key facts

announced

Lifecycle

0.04 GW

Announced

0.04 GW

Energized

Eclairion

Developer

France

Location

other

Grid

private land

Land

0 GW

Announced-to-energized gap

On the data center map

Every tracked data center is on this map, centered on MGX/Bpifrance/Nvidia/Mistral AI Campus. Pan or zoom out to see how close rivals are building.

Approximate pin. We hold a city-level coordinate for this campus, not a verified site coordinate, so the marker shows the city rather than the parcel. The satellite strip and building outlines stay off until the site coordinate is sourced.

Free to use on your site, with a link back to DEPLOY.
The story of MGX/Bpifrance/Nvidia/Mistral AI Campus (Bruyeres-le-Chatel)
Announced capex
$830M
Grid
other · On the French nuclear grid, but the connection is not yet settled: reporting on the campus states that deployment still depends on power agreements with EDF and RTE alongside land and local authorisations. A first 44 MW phase is tied to the 13,800 GPU build; full capacity is targeted for 2030.
GPUs
18K 18,000 NVIDIA GB200 systems operational at the Bruyeres-le-Chatel node
Derived
Cost per MW
$19M/MW

Every figure is one row in the ledger below with its source. Derived rows are pure arithmetic on the rows above (not new claims). Absent lines mean the fact isn't on record yet.

The deal

financier
MGX · UAE investment fund; JV partner
financier
Bpifrance · French national investment bank; JV partner
chip supplier
NVIDIA · GPU/technology partner; JV partner
developer
Eclairion · Hosts the Bruyeres-le-Chatel site / first 44MW facility
operator
Mistral AI · Anchor tenant/operator; JV partner
construction
Bouygues · Construction partner named in the JV launch.

Power

Power source
grid
Grid operator
other
Interconnection
On the French nuclear grid, but the connection is not yet settled: reporting on the campus states that deployment still depends on power agreements with EDF and RTE alongside land and local authorisations. A first 44 MW phase is tied to the 13,800 GPU build; full capacity is targeted for 2030.
Water
Not published for this site. The operator, Eclairion, commits across its estate to high energy and water efficiency and carbon-free energy, but publishes no cooling method, water source or volume for Bruyeres-le-Chatel specifically, which it lists at 120 MW.

Why here

MGX/Bpifrance/Nvidia/Mistral AI Campus sits on private land in Essonne, Bruyeres-le-Chatel. It connects to the other grid, draws on grid power, interconnection is On the French nuclear grid, but the connection is not yet settled: reporting on the campus states that deployment still depends on power agreements with EDF and RTE alongside land and local authorisations. A first 44 MW phase is tied to the 13,800 GPU build; full capacity is targeted for 2030.. This siting summary is composed from the record's held fields, not speculation; see methodology.

Financial structure

Debt financing for Bruyeres-le-Chatel compute
$830M. Debt facility raised by Mistral AI (seven banks) to fund its Nvidia-powered data center near Paris. journalist report
Mistral AI debt financing for Nvidia-chip data center near Paris
$830M. Compute/chip financing (reported), not full campus capex journalist report

Regulatory paper trail

The filings and rules on record for this site and its jurisdiction, most recent first. Each is a sourced, dated artifact you can follow to the primary document.

Investment, workforce and specs

GPUs
18,000 NVIDIA GB200 systems operational at the Bruyeres-le-Chatel node source

Estimated compute: the claimed 18,000 NVIDIA GB200 systems operational at the Bruyeres-le-Chatel node chips are on the order of 10x the compute used to train a GPT-4-class model. Derived from the chip-count claim, not measured (basis).

Timeline

  2. Aug 2026
    party linked
    operator: linked externalName "Fluidstack" to company fluidstack
  3. Sep 2026
    Current: Announced

Sources

83d09a11-d7f1-4ca9-8ca2-19e9b7e4d17d · Tracked with DEPLOY's verified-vs-claimed methodology. Every term is defined in the glossary. Announced numbers are claims, not built capacity.

Head-to-head

MGX/Bpifrance/Nvidia/Mistral AI Campus vs Lake Mariner Data Campus →MGX/Bpifrance/Nvidia/Mistral AI Campus vs FluidStack Texas Anthropic campus →MGX/Bpifrance/Nvidia/Mistral AI Campus vs FluidStack New York Anthropic campus →

Common questions

What is MGX/Bpifrance/Nvidia/Mistral AI Campus (Bruyeres-le-Chatel)?
MGX/Bpifrance/Nvidia/Mistral AI Campus (Bruyeres-le-Chatel) is an AI data center campus tracked on the DEPLOY registry, located in Bruyeres-le-Chatel. DEPLOY records its capacity as a dated, sourced ledger: announced gigawatts versus actually energized gigawatts, never a press-release total.
How much power will MGX/Bpifrance/Nvidia/Mistral AI Campus (Bruyeres-le-Chatel) use?
MGX/Bpifrance/Nvidia/Mistral AI Campus (Bruyeres-le-Chatel) has 0.04 GW of announced capacity on the DEPLOY registry, of which 0.04 GW is recorded as energized. Each figure is individually dated and sourced.
Who is building MGX/Bpifrance/Nvidia/Mistral AI Campus (Bruyeres-le-Chatel)?
Eclairion is recorded as a party to MGX/Bpifrance/Nvidia/Mistral AI Campus (Bruyeres-le-Chatel) on the DEPLOY registry.
Is MGX/Bpifrance/Nvidia/Mistral AI Campus (Bruyeres-le-Chatel) operating yet?
As of the most recent verification on the DEPLOY registry, MGX/Bpifrance/Nvidia/Mistral AI Campus (Bruyeres-le-Chatel) is announced but not yet built. DEPLOY tracks the lifecycle from announced through energized, so the current state reflects sourced evidence, not the original announcement.
How verified is the data on MGX/Bpifrance/Nvidia/Mistral AI Campus (Bruyeres-le-Chatel)?
A human editor has reviewed this record for the indexed registry. Every capacity figure is an append-only, dated claim resolved to the highest-evidence tier; superseded claims are kept but excluded from the current view.

Deploy Watch

Track MGX/Bpifrance/Nvidia/Mistral AI Campus (Bruyeres-le-Chatel) on Deploy.

We notify you when energized capacity, lifecycle state, or a new dated capacity claim changes against primary-source evidence, not when the developer issues a press release.

Cite this page

DEPLOY. (2026). MGX/Bpifrance/Nvidia/Mistral AI Campus (Bruyeres-le-Chatel): AI data center campus record. Retrieved September 27, 2026, from https://registry.deploy.report/datacenters/mistral-mgx-bruyeres-le-chatel

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The verified data on this page is available under a Creative Commons Attribution 4.0 license: reuse the facts freely, with attribution to DEPLOY (deploy.report). The prose, design, and any imagery are not included and keep their own rights.

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