Oslo
Home to approximately 1.5 million of Norway’s 5.4 million inhabitants, Oslo is the country’s primary hub for data centers. Excellent connectivity, easy access to renewable energy, and support from the government make Oslo an ideal home for hyperscalers and large enterprises.
OSL01
OSL02
OSL03 Campus- OSL03A
- OSL03B
- OSL03C
- OSLL1
- OSLL3
OSL04 Campus- OSL04B
- OSL04C
- OSLL2 & L5
OSLL4
OSL01
OSL01
STACK OSL01 data center is a high security colocation center with leading connectivity and central location.
Providing more than 5,100m² of white technical space for primarily READYSTACK solutions, the data center has a rich ecosystem, including 25+ carriers and several direct connects, including Microsoft Azure and Amazon Web Services (AWS).

COMPLIANCE
- ISO 9001:2015 Quality Management
- ISO 14001:2015 Quality Management Environmental
- ISO 27001:2013 Information Security Management System
- ISO 45001:2018 Occupational Health & Safety Management
- PCI/DSS
- LOS Energy Norway 100% Renewable Energy Guarantee
Solutions
- READYSTACK™: Commissioned capacity

Total Capacity
6.8MW
Facility Size
5,100 sqm
Deployments
READYSTACK™: Commissioned capacity
Work Space
Complimentary WiFi
Office space available on request
Storage
Limited storage/staging
Client Conveniences
Bicycle storage
Multi-bay secure loading dock
Generators
N+1, 2N redundancy
Fuel Storage
Minimum 24 hours of fuel operation
UPS
N+1 UPS configuration
PDU
2N PDU distribution
BMS Controls
Client access to BMS portal
Cooling
Primary cooling provided by chilled water systems in combination with mechanical cooling systems
Heat export to district heating
N+4 AHUs
Density
High density deployments supported in excess of 1.5 kW per sqm
Diversity
3 Meet-Me-Rooms with diverse fiber entrances
Carrier Availability
25+ carriers
Dark fiber available
Additional Connectivity
Carrer neutral
Security
High grade 360′ boundary fencing with security access control
24 x 7 on-site security personnel
Mantrap intruder detection and card access system
Secure vehicle gates with badge access
Fire Protection
Argonite fire suppression system
High-grade early smoke detection apparatus in conditioned modules
OSL02
OSL02
STACK OSL02 colocation data center is located at the Rosenholm Business Center campus. The entire campus has been constructed to the highest environmental quality standards.
The data center currently provides more than 2,100m² of white technical space for READYSTACK and POWERSTACK solutions, all within reinforced concrete bunkers, providing more than 3m clear floor to ceiling headroom. The data halls have been entirely rebuilt with new mechanical and electrical infrastructures which provide modern, high power data center services.

COMPLIANCE
- ISO 9001:2015 Quality Management
- ISO 14001:2015 Quality Management Environmental
- ISO 27001:2013 Information Security Management System
- ISO 45001:2018 Occupational Health & Safety Management
- PCI/DSS
- LOS Energy Norway 100% Renewable Energy Guarantee

Total Capacity
3.8MW
Facility Size
2,155 sqm
Deployments
READYSTACK™: Commissioned capacity
POWERSTACK™: Immediately available shell capacity
Work Space
Conference and break rooms and cafeteria available in the campus
Complimentary campus WiFi
Office space available within the campus
Storage
Shared and private storage/staging
Client Conveniences
Bicycle storage
Secure loading dock
Generators
N+1 redundancy
Fuel Storage
Minimum 24 hours of fuel operation
UPS
N+1 UPS configuration
PDU
2N PDU distribution
BMS Controls
Client access to BMS portal
Cooling
Conditioned modules mechanically cooled by dual coil DX compressors with ‘free’ cooling in CCU with heat rejection to dual cooling water circuits and external adiabatic dry coolers.
Waste heat during winter months used to heat the campus
Density
Average 3kW per sqm
Diversity
2 Meet-Me-Rooms with diverse fiber entrances
Carrier Availability
4 carriers
Dark fiber available
Additional Connectivity
Carrier neutral
Security
24/7 surveillance
Internal and external advanced security surveillance camera system
Card access systems throughout
Campus based zone within zone access control
Secure parking
Fire Protection
Inergen or Novac fire suppression system in conditioned modules
High grade very early smoke detection apparatus in conditioned modules
Monitored automatic smoke detection throughout
OSL03 Campus
- OSL03A
- OSL03B
- OSL03C
- OSLL1
- OSLL3
OSL03 Campus
- OSL03A
- OSL03B
- OSL03C
- OSLL1
- OSLL3
STACK OSL03 campus is close to Olso city and high capacity, offering good short and long-term scaling opportunities with 100MW available at various stages of development.


Campus Capacity
45+MW
Campus Size
56,000 sqm
OSL03A
- OSL03A
- OSL03B
- OSL03C
- OSLL1
- OSLL3
OSL03A
- OSL03A
- OSL03B
- OSL03C
- OSLL1
- OSLL3
STACK OSL03A is a very efficient colocation data center on our Fetsund Campus, with a strong financial ecosystem and hosts both MSP and hyperscale clients.
The data center follows our modular design principles for scalability and efficiency, and provides 4,200m² of dedicated IT housing space. The campus currently features three operational data centers, with OSL03A being the first to go live.

COMPLIANCE
- ISO 9001:2015 Quality Management
- ISO 14001:2015 Quality Management Environmental
- ISO 27001:2013 Information Security Management System
- ISO 45001:2018 Occupational Health & Safety Management
- PCI/DSS
- LOS Energy Norway 100% Renewable Energy Guarantee

Increasable to 12.6MVA
Total Capacity
9MW
Facility Size
4,200 sqm
Deployments
POWERSTACK™: Immediately available shell capacity
HYPERSTACK™: Campus & Build-to-suit
Work Space
Complimentary WiFi
Office space available on request
Storage
Shared and private storage/staging
Client Conveniences
Multi-bay secure loading dock
Generators
N+1, 2N redundancy
Fuel Storage
Minimum 48 hours of fuel operation
UPS
N+1 UPS configuration
PDU
2N PDU distribution
BMS Controls
Client access to BMS portal
Flood Plain
Above 1000-year flood plain
Cooling
Indirect evaporative cooling
Adiabatic
Storage
Multiple make-up water sources
Rain water harvesting
12 hours of condenser water storage at full load
Density
High density deployments supported in excess of 2kW/ sqm
Diversity
2 Meet-Me-Rooms with diverse fiber entrances
Carrier Availability
Carrier neutral
Dark fiber available
Additional Connectivity
Roof space available
Security
24/7 Technical shift presence in building
On site 24/7 manned security presence
Internal and external advanced security surveillance camera systems
Man trap, intruder detection and card access systems throughout
High grade boundary fencing, plus vehicle trap and pedestrian access point
Car parking external to security fence
Layered security measures
Fire Protection
Hypoxic fire prevention or optional NOVEC gas release systems
High grade very early smoke detection apparatus in data halls
Monitored automatic smoke detection throughout
OSL03B
- OSL03A
- OSL03B
- OSL03C
- OSLL1
- OSLL3
OSL03B
- OSL03A
- OSL03B
- OSL03C
- OSLL1
- OSLL3
STACK OSL03B follows our modular design principles for scalability and efficiency and provides 881 sqm of dedicated IT housing space. It is the third operational data center at our Fetsund campus.
The facility is certified to ISO Class 8 filtration for fresh air AHU, together with a unique snow melt system and rainwater re-use for cooling systems. This highly efficient system is uniquely suited to the Nordic climate, yielding efficiencies and cost savings up to 25% beyond the industry average.

COMPLIANCE
- ISO 9001:2015 Quality Management
- ISO 14001:2015 Quality Management Environmental
- ISO 27001:2013 Information Security Management System
- ISO 45001:2018 Occupational Health & Safety Management
- PCI/DSS
- LOS Energy Norway 100% Renewable Energy Guarantee
Solutions

Total Capacity
3MW
Facility Size
881 sqm
Deployments
HYPERSTACK™: Campus & Build-to-suit
Work Space
Complimentary WiFi
Office space available on request
Storage
Shared and private storage/staging
Client Conveniences
Multi-bay secure loading dock
Generators
2N redundancy
Fuel Storage
Minimum 48 hours of fuel operation
UPS
N+1 UPS configuration
PDU
2N PDU distribution
BMS Controls
Client access to BMS portal
Flood Plain
Above 1000-year flood plain
Cooling
Indirect evaporative cooling
Adiabatic
Storage
Multiple make-up water sources including rain water harvesting & snow melt system
72 hours of condenser water storage at full load
Density
High density deployments supported in excess of 3kW/ sqm
Diversity
2 Meet-Me-Rooms with diverse fiber entrances
Carrier Availability
Carrier neutral
Dark fiber available
Additional Connectivity
Roof space available
Security
24/7 Technical shift presence in building
On site 24/7 manned security presence
Internal and external advanced security surveillance camera systems
Man trap, intruder detection and card access systems throughout
High grade boundary fencing, plus vehicle trap and pedestrian access point
Car parking external to security fence
Layered security measures
Fire Protection
NOVEC gas release systems
High grade very early smoke detection apparatus in data halls and power pods
Monitored automatic smoke detection throughout
OSL03C
- OSL03A
- OSL03B
- OSL03C
- OSLL1
- OSLL3
OSL03C
- OSL03A
- OSL03B
- OSL03C
- OSLL1
- OSLL3
STACK OSL03C is a dedicated and very efficient HYPERSTACK data center on our Fetsund campus. Opened in the fall of 2020, this new, state-of-the-art, environmentally friendly facility follows our modular design principle, for an IT density of 3.22 kW/sqm.
The data center is powered with 100% renewable hydro energy, and certified to ISO Class 8 for fresh air AHU that serves the data hall.

COMPLIANCE
- ISO 9001:2015 Quality Management
- ISO 14001:2015 Quality Management Environmental
- ISO 27001:2013 Information Security Management System
- ISO 45001:2018 Occupational Health & Safety Management
- PCI/DSS
- LOS Energy Norway 100% Renewable Energy Guarantee
Solutions

Total Capacity
3MW
Facility Size
881 sqm
Deployments
HYPERSTACK™: Campus & Build-to-suit
Work Space
Complimentary WiFi
Office space available on request
Storage
Shared and private storage/staging
Client Conveniences
Multi-bay secure loading dock
Generators
2N redundancy
Fuel Storage
Minimum 48 hours of fuel operation
UPS
N+1 UPS configuration
PDU
2N PDU distribution
BMS Controls
Client access to BMS portal
Flood Plain
Above 1000-year flood plain
Cooling
Indirect evaporative cooling
Adiabatic
Storage
Multiple make-up water sources including rain water harvesting & snow melt system
72 hours of condenser water storage at full load
Density
High density deployments supported in excess of 3kW/ sqm
Diversity
2 Meet-Me-Rooms with diverse fiber entrances
Carrier Availability
Carrier neutral
Dark fiber available
Additional Connectivity
Roof space available
Security
24/7 Technical shift presence in building
On site 24/7 manned security presence
Internal and external advanced security surveillance camera systems
Man trap, intruder detection and card access systems throughout
High grade boundary fencing, plus vehicle trap and pedestrian access point
Car parking external to security fence
Layered security measures
Fire Protection
NOVEC gas release systems
High grade very early smoke detection apparatus in data halls and power pods
Monitored automatic smoke detection throughout
OSLL1
- OSL03A
- OSL03B
- OSL03C
- OSLL1
- OSLL3
OSLL1
- OSL03A
- OSL03B
- OSL03C
- OSLL1
- OSLL3
Adjacent to our operational data centers (OSL03A, B, and C), the Fetsund campus offers additional greenfield land of 18,000 sqm for planning of two further buildings with 3MW each.
All facilities on the STACK Fetsund campus are powered by 100% certified renewable energy.


OSLL3
- OSL03A
- OSL03B
- OSL03C
- OSLL1
- OSLL3
OSLL3
- OSL03A
- OSL03B
- OSL03C
- OSLL1
- OSLL3
To allow for growth at this popular location, OSLL3 provides an additional 24,000m² of greenfield land, with planning for two buildings of 4MW each.
STACK Fetsund campus has sufficient scope for a total of seven data centers and a capacity of 45MW+.


OSL04 Campus
- OSL04B
- OSL04C
- OSLL2 & L5
OSL04 Campus
- OSL04B
- OSL04C
- OSLL2 & L5
STACK OSL04 Campus is close to the city of Oslo, offering good short and long-term scaling opportunities with 100MW available at various stages of development. The campus is planned for a total of six data centers of 6MW each.


Current Capacity
6MW
Expansion Capacity
100MW
Current Facility Size
3,000 sqm
Future Facility Size
69,000 sqm
OSL04B
- OSL04B
- OSL04C
- OSLL2 & L5
OSL04B
- OSL04B
- OSL04C
- OSLL2 & L5
STACK OSL04B is a very efficient HYPERSTACK data center and the first facility on our Holtskogen Campus. It is powered by 100% certified renewable energy and provides more than 3,000 sqm of IT housing space.
Holtskogen is certified to ISO Class 8 filtration for fresh air AHUs that serve the data halls, together with a unique snow melt system and rainwater re-use for cooling systems. This highly efficient system is uniquely suited to the Nordic climate.

COMPLIANCE
- ISO 9001:2015 Quality Management
- ISO 14001:2015 Quality Management Environmental
- ISO 27001:2013 Information Security Management System
- ISO 45001:2018 Occupational Health & Safety Management
- PCI/DSS
- LOS Energy Norway 100% Renewable Energy Guarantee

Total Capacity
6MW
Facility Size
3,000sqm
Deployments
POWERSTACK™: Immediately available shell capacity
HYPERSTACK™: Campus & Build-to-suit
Work Space
Meeting and break rooms
Complimentary WiFi
Office space available
Storage
Shared and private storage/staging
Client Conveniences
Bicycle storage
Multi-bay secure loading dock
Generators
2N redundancy
Fuel Storage
Minimum 24 hours of fuel operation
UPS
N+1 UPS configuration
PDU
2N PDU distribution
BMS Controls
Client access to BMS portal
Flood Plain
Above 1000-year flood plain
Cooling
N+1 resilience for IEC cooling supported by 2N essential power
Indirect evaporative coolers
Waste heat reclamation
Unique snow melt system and rain water reuse for cooling systems
ISO Class 8 filtration for fresh air AHU’s that serve the data halls
Storage
200 m³ for cooling process
Density
3kW/m2
Carrier Availability
Carrier neutral
Dark fiber available
Security
On site 24/7 manned security presence
Security operates from internal monitoring office
Internal and external advanced security surveillance camera systems
Man trap intruder detection and card access systems throughout
High grade boundary fencing compliant with EN1722
Car trap controlled gates
Multi layered security
Fire Protection
Novec fire suppression system throughout
High grade very early smoke detection apparatus in conditioned power modules and the data halls
Monitored automatic smoke detection throughout
Nozzles with silencers
OSL04C
- OSL04B
- OSL04C
- OSLL2 & L5
OSL04C
- OSL04B
- OSL04C
- OSLL2 & L5
STACK OSL04C data center is currently under construction and will comprise two halls, each of 930 sqm dedicated white space.
OSL04C will be the second facility at our Holtskogen campus and, when complete, will be a very efficient, sustainable data center, offering both POWERSTACK and HYPERSTACK solutions.


Total Capacity
6MW
Facility Size
3,000 sqm
Deployments
POWERSTACK™: Immediately available shell capacity
HYPERSTACK™: Campus & Build-to-suit
OSLL2 & L5
- OSL04B
- OSL04C
- OSLL2 & L5
OSLL2 & L5
- OSL04B
- OSL04C
- OSLL2 & L5
To allow for growth, OSLL2 and L5 offer 69,000 sqm of greenfield land adjacent to the operational facility, OSL04B.


Total Campus Capacity
24MW
Campus Size
40,000 sqm with option for additional 23,000 sqm
Deployments
POWERSTACK™: Immediately available shell capacity
HYPERSTACK™: Campus & Build-to-suit
OSLL4
OSLL4
STACK Ringerike campus lies in the wider Oslo area and offers 29,500 sqm of greenfield land available for HYPERSTACK and POWERSTACK data centers.
The campus will offer very good short and long-term scaling opportunities with line-of-sight to 200MW capacity. The campus has masterplans and DC zoning in place, and permitting for five data centers of 4MW to start.


Total Campus Capacity
200MW
Campus Size
29,500 sqm
Deployments
POWERSTACK™: Immediately available shell capacity
HYPERSTACK™: Campus & Build-to-suit
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