Green Mountain SVG1-Rennesøy

Hodneveien 260

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Previously known as DC1-Stavanger data centre is located in Rennesøy in Norway. The site is a former NATO ammunition storage facility converted into a unique high security colocation data centre with 13 600 m2 technical/white space initial availability. The infrastructure has been designed to be expanded up to 26MW. The main data centre comprises three 2 storey concrete buildings built within the mountain.


DC1-Stavanger has multiple grid supplies each fed from multiple hydro electricity power plants. Outstanding robustness of supply is the result (estimated 99.99997%) with even further additional levels of security in terms of N+1 prime rated generators. Phase 1 expandable to 26MW.


DC1-Stavanger has a cooling source available from an adjacent deep water fjord. At levels below 75 m depth the water temperature is stable at 8 oC (46F) all year round. Our cooling system uses gravity effect to bring the cold water from a depth of 100 m to the data centres cooling station without using any energy.

The cooling solution (including cooling station, chilled water pipework and pumps) is fully duplicated providing an N+N solution. Because there are few moving parts (circulating pumps) the solution is extremely robust and reliable. Server rooms will have available N+N chilled water under the raised floor. In row cooling will be installed to client specification using hot isle technology. Standard power densities from 2-6 kW/m2, bespoke solutions can be accommodated up to 20 kW/m2.

Map and Nearby Locations:

Hodneveien 260
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Green Mountain SVG1-Rennesøy Data Center Photos

DC1-Stavanger has a cooling source available from an adjacent deep water fjord
Source: Green Mountain

Operating Company

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.

4 Facilities Owned
2 Markets Served
44.0 Megawatts
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