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Under ConstructionPlanned
Multi-phase construction project
Operated by:

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Short Code: OSL3
Site planned for 2027 and has expansions through 2029

Azrieli Group has significantly expanded its international data center footprint through a major agreement to build a new campus in Norway via its subsidiary, Green Mountain.

The project, estimated at approximately €1 billion ($1.05 billion), involves providing extensive capacity to a leading international tech company under a 15-year contract. Expected to be delivered in stages starting in March 2027, the deal is a landmark for Azrieli, projected to generate an average annual net operating income (NOI) of roughly €117 million.

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NN Request Dataset sites announced, but haven't started construction

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Operating Company

Operated by:

Green Mountain AS design build and operate high security, robust wholesale colocation data centres.

The companyhas two data centres in Norway with plans to develop in other regions. The data centres operate on 100% low cost renewable power and use of free cooling creating unique power efficiency. Both data centres, DC1-Stavanger and DC2-Telemark have achieved Uptime Institute Tier III certification as the only Nordic colocation provider. In addition both data centres have the ISO 9001 and ISO 14001 certifications in place.

The data centre near Stavanger (DC1-Stavanger) is built deep inside a mountain in a former high security NATO ammunition store.

The data centre in Telemark (DC2-Telemark) is in the ‘cradle of hydro power’ in Norway with multiple local hydro power plants.

Smedvig is the majority owner of Green Mountain.

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Read Former Green Mountain CEOs Establish New Nordic Data Center Firm
Former Green Mountain CEOs Establish New Nordic Data Center Firm

Former Green Mountain CEOs Establish New Nordic Data Center Firm

April 13, 2026 Green Mountain AS

A new Nordic data center firm has been launched by two former CEOs of Norwegian operator Green Mountain. The company, Heim Datacenter, plans to develop data centers in Finland and Sweden.The company was set up by Tor Kristian Gyland, who was CEO of Green Mountain from 2017 until 2023, and Svein...

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Read Østfold Energi Eyes Data Centers South of Oslo
Østfold Energi Eyes Data Centers South of Oslo

Østfold Energi Eyes Data Centers South of Oslo

March 17, 2026 Oslo

Another data center may be on the way in Norway. Østfold Energi is preparing sites in Sarpsborg and Våler in partnership with local municipalities, with Google likely to take the Våler location.“We have extensive experience with project development in collaboration with landowners, local...

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Read Three companies invest in combined $200m data center in Oslo
Three companies invest in combined $200m data center in Oslo

Three companies invest in combined $200m data center in Oslo

March 19, 2024 Oslo

Norwegian telco Telenor, energy company Hafslund and investment fund HitecVision are building a data center in Oslo, Norway, via a newly formed joint venture, Skygard. These companies are to make a NOK 2.4 billion ($200m) joint investment in this data center which is already undergoing...

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Read Green Mountain to host HPE AI and HPC infrastructure in Norweigan facility
Green Mountain to host HPE AI and HPC infrastructure in Norweigan facility

Green Mountain to host HPE AI and HPC infrastructure in Norweigan facility

February 29, 2024 Green Mountain AS

Green Mountain is to host Hewlett Packard Enterprise's (HPE) artificial intelligence (AI) and high-performance computing (HPC) infrastructure in two of its Norweigan data centers. Green Mountain has three data centers in Norway and the specific facilities for this project are yet to be revealed....

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Read Green Mountain begins expansion efforts in London campus
 Green Mountain begins expansion efforts in London campus

Green Mountain begins expansion efforts in London campus

December 08, 2023 Green Mountain AS

Green Mountain this week announced that it has begun construction work for a new 14MW facility at the company’s LON1-East campus in Romford, London. This expansion is set in two phases, each phase totaling 7MW and across three data halls, inside the existing building. It will also offer more than...

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