Datacenter Marilyn
Champs-sur-Marne, Île-de-France, France
Source: OpenStreetMap
Datacenter Marilyn is a mapped data center in Île-de-France, France. DataCentersExposed has documented a 71,128 sq ft footprint and 1 environmental-permit record at this site. It runs on France's grid, which was 5% fossil-fuelled at 41 gCO₂e/kWh in 2025 (Ember).
Reporting by Eric Keller · Updated Jun 14, 2026
Most sites are mapped — located but awaiting a second source. How we verify
Dot size = disclosed capacity (MW). Smallest = undisclosed, not small.
Overview
source: linkdata center
The grid behind this site
source: Ember · EurostatA large data center in France pays 12.24¢/kWh for electricity — a household pays 29.26¢, 58% more than the data center (Eurostat).
National grid context, not this facility's own metering. Full country picture: France data centers.
In the news
source: Google News (local + English)- Campus IA en Seine-et-Marne : l'impact écologique du plus grand data center d'Europe soulève déjà de nombreuses craintesL'Humanité· Jun 8, 2026
- "C'est pharaonique" : à Fouju, en Seine-et-Marne, le projet du plus grand data center d'Europe inquièteici.fr· May 25, 2026
- Le projet du plus grand data center d'Europe à Fouju soulève des préoccupations environnementalesactudrancy.fr· May 25, 2026
- « Hors norme » : le gigantesque projet Campus IA relance la lutte contre les data centersBasta Media· May 21, 2026
- Le vent se lève contre les ravages écologiques des data centersPolitis.fr· May 20, 2026
- Data center : Digital Realty parie sur Marseille et la Méditerranéemesinfos· Mar 5, 2026
Environmental permits
source: Géorisques (ICPE)- BALGEVIM II (France Gift)0006500915ICPE Autorisation · Émerainville 77184 · registered as "BALGEVIM II (France Gift)" · ~215 m from the mapped location