Green Mountain SVG1 Rennesøy

Rennesøy, NorwayPartially operational

Planned critical IT: 25 MW
Updated: Oct 28, 2026

Green Mountain's original Rennesøy facility has operated since 2013 inside a former NATO ammunition-storage complex. A 2024 impact report describes about 16.5 MW of capacity, while the current site page markets a 25 MW maximum across six mountain halls.

Capacity

Installed capacity

Reported rounded

16.5 MW

Source

Maximum site capacity

Actual

25 MW

Source

Volkswagen deployment

Actual

3 MW

Source

Operating IT capacity: Not established in published records

A missing figure does not mean zero. Planned, utility and generation figures are not operating IT capacity.

Development

Original mountain-hall operationOperational

6 buildings

Six mountain halls each contain two-story concrete buildings.

2020 cloud-provider hallOperational

1 building

Customer unnamed; later doubling project must not be assumed to be a separate additive scope without reconciliation.

2021 cloud-provider hallOperational

1 building

Potential relationship to the 2020 doubling plan remains to be reconciled.

Volkswagen installationOperational

Customer deployment, not a new site or necessarily additive to the 2024 installed total.

Milestones (5)

Construction began on SVG1

2011 · Recorded actual event

Completed · Construction started

Source not linked

SVG1 became operational

2013 · Recorded actual event

Completed · Commercial operation

Source not linked

Cloud-provider hall delivered

Sep 21, 2020 · Recorded actual event

Completed · Capacity revised

Source not linked

Second dated built-to-suit expansion completed

May 12, 2021 · Recorded actual event

Completed · Capacity revised

Source not linked

Volkswagen 3 MW installation at SVG1

Nov 3, 2022 · Recorded actual event

Completed · Customer commitment

Source not linked

Participants

Azrieli Group

Owner

Sources by role

Owner (1)

Green Mountain Data Centers to be acquired by Azrieli Group Ltd. · Jul 19, 2021 · Primary

Green Mountain

Operator

Sources by role

Operator (1)

Economic Impact Report — SVG-Rennesøy Data Center · Nov 1, 2024 · Corroborating

Operator (1)

SVG-Rennesøy · Primary

Volkswagen Group

Customer

Sources by role

Customer (1)

The Volkswagen Group expands capacity at Green Mountain · Nov 3, 2022 · Primary

Site & development

Construction start year

Actual

2011

Source

Technical specifications

Grid feed count

Actual

3 independent supplies

Source

Renewable power source

Actual

100% Hydropower

Source

Cooling source temperature

Actual

8 degrees C

Source

Water use claim

Actual

No consumptive water use

Source

Additional project facts

Operating status

Actual

Operational

Source

Adaptive reuse origin

Actual

Former NATO ammunition storage facility

Source

Mountain hall count

Design

6 halls

Source

Total space capacity

Actual

22,600 square metres

Source

Average PUE

Actual

1.18 PUE

Source

Corporate parent

Actual

Azrieli Group

Source

Infrastructure & permits

Technical details (5)

Electric grid

Operational

16.5 MW

Approximate site capacity in November 2024 impact report.

Electric grid

Partially operational

25 MW

Current site maximum; not the dated installed state.

Electric grid

Operational

3 independent feeds

Each supply is fed from multiple hydropower plants.

Site facility

Operational

1.18 PUE

Current operator average.

Cooling system

Operational

8 degrees C

Deep-fjord source enters by gravity and exchanges heat with a closed fresh-water loop.

Public-source research. Plans may change. See Evidence for sources and qualifications.