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CARTIS

STACK OSL03 Fetsund Data Center Campus

Fetsund, Akershus, NorwayPartially operational
Evidence
Headline capacity
Not established in published records
Updated
Oct 28, 2026

OSL03 is the four-building Fetsund campus historically totaling 22 MW. Current records still map the campus under STACK, while transaction evidence indicates at least one enterprise-colocation component entered the Apollo carve-out. The named capacity or identity conflict remains unresolved.

Capacity

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

Operating facility and documented expansionOperational

OSL03 is the four-building Fetsund campus historically totaling 22 MW. Current records still map the campus under STACK, while transaction evidence indicates at least one enterprise-colocation component entered the Apollo carve-out. The available public sources do not establish a single project-scoped capacity figure. The named capacity or identity conflict remains unresolved.

Milestones (1)
Project-specific evidence refreshed and reconciled

Aug 29, 2026 · Recorded actual event

Completed · Status changed

Source not linked

Participants

STACK Infrastructure

Developer

Sources by role
Developer (1)

Site & development

Location context

Actual

STACK OSL03 | Fetsund | Akershus | NO

Source

Location context

Actual

STACK OSL03 | Fetsund | Akershus | NO

Source

Project location

Actual

Fetsund, Akershus, NO

Source

Campus buildings

Design

4 buildings

Source

Additional project facts

Lifecycle status

Actual

Partially operational

Source

Capacity basis

Actual

STACK Infrastructure publishes 22 MW of critical IT capacity for this record boundary.

Source

Lifecycle status

Actual

Partially operational

Source

Operator or developer

Actual

STACK Infrastructure

Source

Current lifecycle

Actual

Operating or in phased operation

Source

Capacity classification

Actual

Design

Source

Capacity basis

Actual

The legacy campus total is 22 MW across four buildings, but public M&A evidence indicates at least a colocation component entered the Apollo/Vaultica carve out. The campus/operator boundary is unresolved and the headline is withheld.

Source

Customer utilization

Actual

Not publicly disclosed

Source

Source refresh date

Actual

2026-08-29

Source

Infrastructure & permits

Technical details (3)
Electric grid

Operational

The legacy campus total is 22 MW across four buildings, but public M&A evidence indicates at least a colocation component entered the Apollo/Vaultica carve-out. The campus/operator boundary is unresolved and the headline is withheld.

Fiber

Operational

Renewable hydroelectric power, embedded fiber and core infrastructure, and Nordic-climate air-to-air cooling.

Cooling system

Operational

Cooling and resilience architecture is described at facility or campus level; instantaneous draw and tenant utilization remain undisclosed.

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