Sigma Carquefou
Pays de la Loire, France
Source: OpenStreetMap
Sigma Carquefou is an operating data center in Pays de la Loire, France, operated by Sigma. DataCentersExposed has documented a 19,450 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
Overview
source: linkSigma Carquefou is a mapped data center in France, operated by Sigma. Available records put its footprint at 19,450 square feet. Filings describe it as a Sigma data center, and no ultimate parent company is named in the 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)- Eduard Beltran, admis comme Membre à part entière de Sigma Xi, The Scientific Research Honor SocietyDemócrata· Aug 24, 2026
- Mot-clé - Sigma Rox 10.0 GPSMatos Vélo· Aug 3, 2026
- Mot-clé - BC 14.12Matos Vélo· Aug 3, 2026
- Le Sigma ROX 4.0 Endurance s'offre 41 heures d'autonomieMatos Vélo· Apr 8, 2024
- Numérique : Le nantais Sigma accélère dans le numérique à impactOuest-France· Jan 31, 2024
- Essai SIGMA ROX 11.1 EVOTriatlón Noticias· Dec 13, 2023
Environmental permits
source: Géorisques (ICPE)- TRANSGOURMET OPERATIONS0006305399ICPE Enregistrement · Carquefou 44470 · registered as "TRANSGOURMET OPERATIONS" · ~200 m from the mapped location