Who owns Colt Paris 3?

Colt Paris 3 is owned and operated by Colt Data Centre Services.

How clean is the grid behind Colt Paris 3?

Colt Paris 3 runs on France's grid, which was 41 gCO₂/kWh and 95% clean in 2025 (Ember).

Where is Colt Paris 3 located?

Colt Paris 3 is in Les Ulis, Île-de-France, France.

Mapped (unverified)

Colt Paris 3

Les Ulis, Île-de-France, France

Source: OpenStreetMap

Colt Paris 3 is a mapped data center in Île-de-France, France, operated by Colt Data Centre Services. DataCentersExposed has documented a 96,781 sq ft footprint and 2 environmental-permit records 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

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Real parent

Colt Data Centre Services

Operator

Colt Data Centre Services

Est. capacity

~15-40 MW

Footprint

96,781 sq ft

Grid carbon

41 gCO₂/kWh

Clean electricity

95%

DC power price

12.24¢/kWh

Region

Île-de-France

Attribution & capacity confidence:mediumprimary source

Status · click to filter

Most sites are mapped — located but awaiting a second source. How we verify

Dot size = disclosed capacity (MW). Smallest = undisclosed, not small.

Overview

source: link

Colt Paris 3 is a mapped data center in Les Ulis, France, operated by Colt Data Centre Services. Available records list its footprint at 96,781 square feet. The site is noted in mapping records as a Colt data center, though ownership above the operator is not detailed in the available facts.

Operator chain

Ultimate parent
Colt Data Centre Services
Files as
Colt Data Centre Services
This facility
Colt Paris 3

The grid behind this site

source: Ember · Eurostat

Grid carbon intensity

41 gCO₂/kWh

Clean electricity

95%

Fossil electricity

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)

Environmental permits

source: Géorisques (ICPE)

COLT DATA CENTRE SERVICES FRANCE0006512161
ICPE Autorisation · Les Ulis 91940 · registered as "COLT DATA CENTRE SERVICES FRANCE" · ~12 m from the mapped location (name match) · IED
COLT DATA CENTRE SERVICES FRANCE0006512161
ICPE Autorisation · Les Ulis 91940 · registered as "COLT DATA CENTRE SERVICES FRANCE" · ~113 m from the mapped location (name match) · IED