Opposition to data centers is no longer marginal in France. Legal challenges, residents' groups, projects turning into election issues: this tracker lists the main public cases, their status and what they teach developers and investors looking at the French market. It is updated monthly from public sources, mainly national and regional press and published court decisions.
TRACKER — SEPTEMBER 2026
| Project | Developer | Type of opposition | Status |
|---|---|---|---|
| AI campus, Fouju (Seine-et-Marne, Paris region) | MGX, Bpifrance, Nvidia, Mistral AI · 1.4 GW | Two legal challenges: Melun administrative court and Paris administrative court of appeal | Litigation ongoing |
| Former factory on the RN7, Dardilly (Lyon metro area) | DC Max | Residents and local association mobilised after learning of the project from the press | January 2025 permit reported as final, works under way |
| Ozans business park, Étrechet (Indre, central France) | Local opposition, project taken up in the Senate campaign | Politicised | |
| Rovaltain site, Alixan (Drôme, south-east) | Sesterce | Urgent suspension: impact assessment and planning compliance | Permit suspended, July 2026 |
| La Courneuve and Dugny (Seine-Saint-Denis, Paris region) | Digital Realty | Residents' noise challenge against an earlier site in 2015 | Local hiring strategy in 2026 |
Sources: Les Echos, Le Progrès, La Nouvelle République, regional press, Grenoble administrative court order of 10 July 2026. Last updated: 25 September 2026.
FOUJU: STATE BACKING DOES NOT BUY LOCAL ACCEPTANCE
Fouju is one of the largest AI compute projects announced in Europe, backed by top-tier sponsors and presented as strategic for France. It still faces two legal challenges before two different courts. Lesson: national political support does not replace local acceptance, and the larger the project, the more organised its opponents.
DARDILLY: THE PERMIT IS FINAL, THE RELATIONSHIP IS BROKEN
In Dardilly, the permit was approved in early 2025 and, according to local press, can no longer be challenged. But residents learned of the project late, some through the newspaper, and are mobilising just as construction begins. Lesson: a permit clear of challenges does not guarantee a calm project. The conflict moves to political and media ground, with consequences for future operations, expansions and the developer's reputation.
ÉTRECHET: WHEN A DATA CENTER BECOMES A CAMPAIGN ISSUE
About a year after Google's project in the Ozans business park was announced, it has become a topic in the Indre Senate campaign. Lesson: a data center project often outlasts an electoral cycle, and candidates seize on issues that mobilise voters locally. See France's elections and data center political risk.
ALIXAN: THE REGULATORY SEQUENCE AS BREAKING POINT
Sesterce's project on the Rovaltain site was suspended by an urgent court order on grounds linked to the environmental impact assessment and planning compliance. The project had strong technical credentials, including liquid cooling and waste heat reuse. Lesson: technical excellence does not protect a project with procedural gaps. See Challenging a data center permit in France.
LA COURNEUVE: THE OPERATOR THAT LEARNED
Digital Realty faced a noise challenge against an earlier site in 2015. Its current campus was designed with noise walls and multiple control layers, and the operator has announced a partnership with a local second-chance school to recruit from the area. Lesson: acceptance is built over time, through design and local roots. See Data center community acceptance: 7 levers.
WHAT THESE CASES HAVE IN COMMON
In each case, community risk was addressed either too late or as secondary to grid connection and financing. The same themes recur: power, water, noise, land and late information. And opponents use the same tools: regional press, public meetings, legal challenges with urgent suspension requests. Because these patterns repeat, they can be anticipated. Our method is set out in Data center crisis management.
FREQUENTLY ASKED QUESTIONS
How many data center projects face opposition in France?
There is no official count. This tracker follows cases where opposition is public and documented; their number rose sharply in 2026 alongside the wave of large AI projects.
Why are data centers opposed in France?
The most common grounds are electricity use, water, noise, loss of land and a lack of early information for residents and officials.
Can a legal challenge stop a data center project in France?
A challenge alone does not suspend the permit. An urgent suspension order granted by the court can, as at Alixan in July 2026.