Stock Markets March 31, 2026

Nebius to Build 310 MW AI Hub in Finland, Citing Energy and Cooling Innovations

New Lappeenranta data center expands Nebius’s European AI capacity and supports company target for gigawatt-scale contracted power

By Marcus Reed NBIS
Nebius to Build 310 MW AI Hub in Finland, Citing Energy and Cooling Innovations
NBIS

Nebius Group announced plans to construct a 310 MW AI factory in Lappeenranta, Finland, with initial capacity slated to be available to customers in 2027. The project strengthens the company’s push toward more than 3 GW of contracted power by the end of 2026, follows a recent expansion in Mäntsälä, and includes a closed-loop liquid cooling design with heat recovery potential for local district heating.

Key Points

  • Nebius announced a 310 MW AI factory in Lappeenranta, Finland, with first capacity expected to be available to customers in 2027.
  • The project supports Nebius’s objective of securing more than 3 GW of contracted power by the end of 2026 and follows a recent expansion of its Mäntsälä data center to 75 MW.
  • The facility will use closed-loop liquid cooling with plans to integrate heat recovery for potential contribution to the local district heating network, and it will host NVIDIA Blackwell and Rubin generation accelerated compute platforms.

Nebius Group (NASDAQ:NBIS) shares climbed 3.5% on Tuesday after the company revealed plans for a 310 MW AI factory to be built on a 100-acre industrial site in Lappeenranta, Finland. The firm expects the first tranche of capacity from the site to be available to customers in 2027.

The Lappeenranta project, when fully deployed, will rank among Europe’s largest dedicated AI factories and will contribute to Nebius’s stated goal of securing more than 3 GW of contracted power by the end of 2026. The announcement follows the company’s earlier expansion of its initial Finnish data center in Mäntsälä to 75 MW, completed earlier this year.

Nebius says it has already secured in excess of 750 MW of contracted power across its owned facilities and colocations in the EMEA region. The company is simultaneously developing additional AI factories in other locations, including a 240 MW site near Lille, France, and it has obtained approval for a gigawatt-scale AI factory in Independence, Missouri.

The planned AI factories will be equipped to serve AI builders using recent generations of NVIDIA accelerated compute, specifically the Blackwell and Rubin lines. Nebius notes that its Mäntsälä facility currently hosts Europe’s first operational deployment of the NVIDIA GB300 NVL72 platform, and the company intends to offer the NVIDIA Vera Rubin NVL72 platform beginning later this year.

On technical design, the Lappeenranta facility will employ a closed-loop liquid cooling system. That cooling approach eliminates the need to draw water from local supplies. It is being designed to integrate a heat recovery system so that excess server heat could potentially be redirected to the local district heating network.

The company projects the Lappeenranta build will generate up to 700 skilled construction jobs during the construction phase, with most hires expected to come from the Lappeenranta area. Once the facility reaches operational status, Nebius anticipates the site will support around 100 permanent positions.

For investors and regional stakeholders, the announcement ties together multiple operational pillars Nebius has emphasized: accelerated capacity additions, targeted contractual power commitments, deployment of NVIDIA’s latest accelerated compute platforms, and cooling and heat recovery approaches designed to limit local water use and capture waste heat for community heating systems.


Sector impacts

  • Data center and cloud infrastructure demand for advanced accelerated compute platforms.
  • Power and energy markets as Nebius scales contracted capacity toward multi-gigawatt targets.
  • Regional construction and labor markets in Lappeenranta during the build phase.

Risks

  • Timing uncertainty - the first capacity is expected in 2027, indicating the project is not yet operational and subject to construction and commissioning timelines.
  • Dependence on contracted power goals - the facility contributes to Nebius’s target of securing more than 3 GW of contracted power by end of 2026, a corporate objective that remains in progress.
  • Local workforce and operations - the plan anticipates up to 700 construction jobs and roughly 100 permanent roles sourced mostly from the Lappeenranta area, which depends on local labor availability and successful recruitment.

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