Caverion to build €15M substation for Nebius data centre in Finland

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Caverion Finland has agreed to design and build a substation for Nebius’s new data centre in Mäntsälä, southern Finland, in a deal valued at about €15 million. The company announced the contract on Friday and expects to finish the work by autumn 2027.

The substation will link the data centre to the high-voltage grid and provide safe power to the site. It will support Nebius’s second building in Mäntsälä, a 70-megawatt facility next to its current 75-megawatt data centre.

“We will deliver the substation in Mäntsälä on an exceptionally fast schedule, as is typical for data centre construction: the substation will be completed in autumn 2027. The substation will have a capacity of 70 megawatts. We thank Nebius once again for its trust in our company’s capabilities, the quality of our work and our safe way of operating,” says Kari Aalto, Head of Industrial Projects and Infrastructure at Caverion Finland...

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