Environmental permit granted

SI STO 01.2 AB data centre in Upplands Väsby, Sweden

Latest document dated 11 May 2023, from Naturvårdsverket. Official document

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

backup generators: 20
MW of generator thermal input: 58.1

The backup fleet in the filing

Each block is one generator set: 20 in all.

Timeline

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

11 May 2023
Environmental permit granted
Naturvårdsverket. Official document
Licence Display windows, objection deadlines and every amendment, with page references

The record

Standby Atlas recordSE-AB-UPPLANDSVASBY-SISTO012

Location: Upplands Väsby (Älvsunda 7:10), Sweden
Operator or project company: SI STO 01.2 AB
Stage: Environmental permit granted
Filing date: 11 May 2023
IT load: Not stated in the filing
Grid connection: Not stated in the filing
Backup generators: 20
Generator thermal input: 58.1 MW
Engine makes named: Not named in the filing

Source: Naturvårdsverket. 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.