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3i Infrastructure acquires majority stake in Norway’s Lefdal Mine Datacenter for €300 million

Acquisition Data Center announced Norway Mar 11, 2026
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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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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