Opcore Dc6-3
Île-de-France, France
Source: OpenStreetMap
Opcore Dc6-3 is a mapped data center in Île-de-France, France, operated by OPCORE. DataCentersExposed has documented a 41,991 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: linkOPCORE DC6-3 is a mapped data center in France, operated by OPCORE. Available records put its footprint at 41,991 square feet. The ultimate parent above OPCORE is not disclosed in available records.
Operator chain
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)- Extension de donnéesLA GAZETTE ECO· Dec 4, 2025
- EDF et OpCore lancent un méga data center à Montereau-Vallée-de-la-SeineJDL groupe· Nov 18, 2025
- L’opérateur Opcore va investir 4 milliards d’euros dans un centre de données en Seine-et-Marne, l’investissement le plus important annoncé au sommet Choose FranceLe Monde.fr· Nov 17, 2025
- Choose France : OpCore et Eclairion vont construire des data centers sur d'anciens sites EDFLa Tribune· Nov 17, 2025
- Choose France : Opcore et Eclairion investissent massivement pour construire des data centers IA dans l'HexagoneL'Usine Digitale· Nov 17, 2025
- EDF et Opcore s’engagent pour le développement d’un centre de données de grande puissance sur le site de l’ancienne centrale thermique de Montereau-Vallée-de-la-SeineGroupe iliad· Nov 17, 2025
Environmental permits
source: Géorisques (ICPE)- OP CORE0006508063ICPE Enregistrement · Saint-Ouen-l'Aumône 95066 · registered as "OP CORE" · ~152 m from the mapped location