Environmental-authority opinion (MRAe)

Colt Technology Services data centre in Les Ulis, France

Latest document dated 14 Jan 2021. Source: 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
10 Nov 2026
Copy kept in our archive
19 pages, 2 facts recorded with their page. SHA-256 fingerprint 4651 f3ee 254b 2e21…
10 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.