3i Infrastructure acquires majority stake in Norway’s Lefdal Mine Datacenter for €300 million
USD347.3M
Deal Value
80 MW
Capacity
3i Infrastructure has acquired a majority stake in Norway’s Lefdal Mine Datacenter (LMD) for €300 million ($347.3m), with the deal expected to complete in summer 2026. LMD, which currently has 80MW of available power and 37MW of operational capacity, is being acquired from a fund managed by Columbia Threadneedle Investments. This acquisition further diversifies 3i Infrastructure's portfolio into the data center subsector, leveraging Norway's low-cost power and LMD's underground, seawater-cooled facility with substantial growth potential up to 200MW.
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Counterparts (3)
Seller
L
Lefdal Mine Datacenter (LMD)
Lefdal Mine Datacenter (LMD) is a large-scale, highly secure, and sustainable data center located in a former mine in Måløy, Norway. It offers up to 200 MW of IT load and 120,000 m² of space, powered entirely by renewable hydropower and cooled by deep fjord water.
Columbia Threadneedle Investments
Columbia Threadneedle Investments is a global asset manager, part of Ameriprise Financial, managing $632 billion in AUM globally, with over $10 billion specifically in infrastructure assets. It invests in core and core-plus essential infrastructure across Europe, North America, and Australia, focusing on sectors like utilities, transportation, digital infrastructure, and social infrastructure.
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Subscribe from €20/mo →Deal Analysis
3i Infrastructure is expanding its portfolio into the data center subsector with a €300 million acquisition of Norway's Lefdal Mine Datacenter, a deal expected to complete in summer 2026. The unique asset, an underground, seawater-cooled facility, currently operates at 37MW but boasts 80MW of available power and substantial growth potential up to 200MW. This move allows 3i to capitalize on Norway's low-cost power, adding a high-capacity, energy-efficient data center play to its infrastructure holdings.
- €300 million acquisition by 3i Infrastructure.
- LMD's unique underground, seawater-cooled facility.
- Future completion in summer 2026.
- Capacity expansion from 37MW operational to 200MW potential.
Timeline
Announced
Mar 11, 2026
Signed
Closed
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