Datacenter Marilyn
Champs-sur-Marne, Île-de-France, France
Source: OpenStreetMap
Datacenter Marilyn is an operating 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 17, 2026
Real parent
—
Operator
—
Est. capacity
~10-30 MW
Footprint
71,128 sq ft
Grid carbon
41 gCO₂/kWh
Clean electricity
95%
DC power price
12.24¢/kWh
Region
Île-de-France
Overview
source: linkdata center
The grid behind this site
source: Ember · EurostatGrid carbon intensity
41 gCO₂/kWh
Clean electricity
95%
Fossil electricity
5%
Data-center power price
12.24¢/kWh
A 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)- Data center à Fouju (Seine et Marne) : avis défavorable !Terre de Liens· Aug 25, 2026
- En Seine-et-Marne, le préfet valide un gigantesque projet de centre de données, un recours déposéJournal Spécial des Sociétés· Aug 11, 2026
- Data centers : « plus cher que le Grand Paris Express », le projet de campus IA géant validé en Seine-et-MarneLe Parisien· Aug 10, 2026
- Campus IA à Fouju : la commission d’enquête donne un avis favorablemesinfos· Jul 22, 2026
- Fouju : le méga data center Campus IA fait toujours autant parlermesinfos· Jul 7, 2026
- Data center, nouvel incinérateur : les territoires pollués sont-ils condamnés à le rester ?Reporterre, le média de l'écologie· Jul 7, 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
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