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DataCentersExposed
Mapped (unverified)colocation

Groupe Cyllene - DC - Montigny les Bretonneux

Montigny-le-Bretonneux, Île-de-France, France

Source: Primary source

Groupe Cyllene - DC - Montigny les Bretonneux is a mapped data center in Île-de-France, France. It runs on France's grid, which was 5% fossil-fuelled at 41 gCO₂e/kWh in 2025 (Ember).

Reporting by · Updated Jun 17, 2026

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Real parent
—
Operator
—
Grid carbon
41 gCO₂/kWh
Clean electricity
95%
DC power price
12.24¢/kWh
Region
Île-de-France
Attribution & capacity confidence:mediumprimary source

Overview

source: link

Cyllene SAS — colocation facility (1 networks present). Source: PeeringDB.

The grid behind this site

source: Ember · Eurostat
Grid 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)
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Methodology & sources

Every row carries a confidence level (high / medium / low) and a source URL. Spot an error? Tell us.