Cerebras Mikkeli AI data centre locks 165MW

Cerebras and Compute Nordic Finland will build a 165 MW AI data centre in Mikkeli, with 50 MW under construction under seven-year contracts.

5 min read
Aerial view of AI data centre campus in Mikkeli, Finland with cooling infrastructure
Cerebras and Compute Nordic Finland are building a phased 165 MW AI data centre in Mikkeli.
Visual TL;DR
AI compute demand surgesDriver
sustained appetite for wafer-scale AI training and inference capacity
From the articleCompute Nordic Finland CEO Pyry Virrantaus called it contractually committed demand rather than a bet.
Heat reused by communityEffect
waste thermal energy piped to nearby buildings, designed in from day one
From the articleHeat reuse is designed in from the start, so waste thermal energy can feed the surrounding community.
Regional economic anchorOutcome
Ramboll estimates EUR 1.0 to 1.7 billion investment and 80 to 250 permanent jobs
Cerebras builds Mikkeli campusCore
From the article 3 mentionsThe Cerebras Mikkeli AI data centre is a 165 MW phased build in Finland, and construction on the first 50 MW is already under way.
Compute Nordic signs 7-year contractsCore
seven-year service orders lock capacity, removing speculative build risk
AI compute demand surgesDriver
sustained appetite for wafer-scale AI training and inference capacity
From the articleCompute Nordic Finland CEO Pyry Virrantaus called it contractually committed demand rather than a bet.
Cerebras builds Mikkeli campusCore
From the article 3 mentionsThe Cerebras Mikkeli AI data centre is a 165 MW phased build in Finland, and construction on the first 50 MW is already under way.
Compute Nordic signs 7-year contractsCore
seven-year service orders lock capacity, removing speculative build risk
Wafer-scale architecture chosenContext
denser AI output per megawatt using Cerebras chip packaging technology
From the articleCerebras Systems says its wafer-scale architecture pulls more AI output per megawatt, and Mikkeli pairs that with closed-loop cooling that recirculates water.
Closed-loop cooling deployedContext
water recirculated on site to cut fresh-water draw at the Mikkeli site
From the articleCerebras Systems says its wafer-scale architecture pulls more AI output per megawatt, and Mikkeli pairs that with closed-loop cooling that recirculates water.
Heat reused by communityEffect
waste thermal energy piped to nearby buildings, designed in from day one
From the articleHeat reuse is designed in from the start, so waste thermal energy can feed the surrounding community.
Capacity scales in phasesOutcome
50 MW, then 80 MW, then 165 MW delivered sequentially over multiple phases
From the articleCapacity scales 50 MW, then 80 MW, then 165 MW as it's delivered.
Regional economic anchorOutcome
Ramboll estimates EUR 1.0 to 1.7 billion investment and 80 to 250 permanent jobs

The Cerebras Mikkeli AI data centre is a 165 MW phased build in Finland, and construction on the first 50 MW is already under way.

According to Cerebras, capacity is contracted through a series of seven-year service orders with Compute Nordic Finland.

That structure matters. It isn't speculative capacity.

Inside the Cerebras Mikkeli AI data centre

The campus is built for density and efficiency, not just scale. Cerebras Systems says its wafer-scale architecture pulls more AI output per megawatt, and Mikkeli pairs that with closed-loop cooling that recirculates water.

Heat reuse is designed in from the start, so waste thermal energy can feed the surrounding community. Capacity scales 50 MW, then 80 MW, then 165 MW as it's delivered.

Why this matters, and what still isn't fixed

For builders, this is a long-term anchor, not a construction spike. Ramboll's Finnish Data Center Market Study estimates €1.0, 1.7 billion in regional investment at full scale, with 80, 250 direct permanent jobs and €0.8, 2.5 million per year in property tax.

Compute Nordic Finland leads development and operations, with the City of Mikkeli and Finnish engineering and energy partners. What's not disclosed is pricing, power source mix, or customer allocation.

The gap to watch is utilization. Andrew Feldman, CEO and co-founder of Cerebras, framed Mikkeli as efficiency-first infrastructure. Compute Nordic Finland CEO Pyry Virrantaus called it contractually committed demand rather than a bet.

Nordic sites have become the pattern for US chip firms seeking power, cooling, and heat reuse. Mikkeli fits that shift, but leaves the question of who fills 165 MW and when.

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