Environmental-authority opinion (MRAe)

Colt Technology Services data centre in Les Ulis, France

Latest document dated 14 Jan 2021, from Mission régionale d'autorité environnementale (MRAe). Official document

Location of the project in Europe. Grey dots: other projects in the index.

backup generators: 9
MW of generator thermal input: 52
MW of IT load: 12.8

The backup fleet in the filing

Each block is one generator set: 9 in all.

Timeline

Public documents for this project, and what our daily checks found.

14 Jan 2021
Environmental-authority opinion (MRAe)
Mission régionale d'autorité environnementale (MRAe). Official document
9 Nov 2026
Official document online at our check
Checked every day since 9 Nov 2026.
Licence Display windows, objection deadlines and every amendment, with page references

The record

Standby Atlas recordFR-IDF-LESULIS-COLT-DH10

Location: Les Ulis (ZA de Courtabœuf), France
Operator or project company: Colt Technology Services
Stage: Environmental-authority opinion (MRAe)
Filing date: 14 Jan 2021
IT load: 12.8 MW
Grid connection: Not stated in the filing
Backup generators: 9
Generator thermal input: 52 MW
Engine makes named: Not named in the filing

Source: Mission régionale d'autorité environnementale (MRAe). Checked on 9 November 2026.

This record as JSON

What the licences add for this project

Exact engine models, abatement, fuel storage and permitted hours in the Backup Fleet licence; the dated history of every filing; grid and on-site power; and, from February 2027, ownership graded by evidence. Or order this project as a dossier for €490.