Planned data-centre projects across Estonia are attracting billions of euros in potential investment, with Estonian data-centre operator Greenergy Data Centers already operating one such facility.
A 22 MW artificial-intelligence deployment at Greenergy Data Centers in Hüüru is scheduled to come online later this year, writes Ehitusuudised. Tensor Estate said the project will be Nebius’s first AI infrastructure deployment in the Baltics and the first phase of a broader development to establish Estonia as a hub for international AI infrastructure.
Planned capacity is reshaping Estonia’s power outlook
By the end of September, power provider company Elering had received connection applications for seven data-centre projects with a combined requested capacity of nearly 2,900 megawatts. That is almost twice Estonia’s previous electricity consumption record. Elering has not disclosed the applicants behind the projects.
The scale of the requests highlights the electricity requirements of AI computing. Greenergy Data Centers is seeking to increase its connection capacity to as much as 200 megawatts, while the first Nebius deployment is expected to add approximately 22 megawatts of IT load. The facility is operated by MCF Group Estonia, whose majority shareholder is the Three Seas Initiative Investment Fund, advised by Amber Infrastructure.
The grid connection is also being developed for high-demand digital infrastructure. Elering said MCF Group Estonia’s data centre will connect to the Harku substation, with a first-phase power rating of 12 megawatts and a planned increase to 18 megawatts after completion of the Harku–Lihula–Sindi high-voltage line. Elering is building 110-kilovolt connection points for the facility.
Building an AI base in Hüüru
Tensor Estate and UG Investments are bringing together Estonian investors through Tensor Genesis. Tensor Estate became a shareholder in MCF Group Estonia in July, while the Three Seas Initiative Investment Fund remains the majority shareholder. The investment forms part of Tensor Estate’s strategy to develop data infrastructure in Estonia for international technology companies.
“In summer, we said that Hüüru is a long-term project for us, and now we are showing that through our actions,” said Miko-Ove Niinemäe, co-founder of Tensor Estate. The Estonian entrepreneurs involved in the project have planned an additional investment of approximately €100M, while the wider Hüüru expansion plan has been associated with nearly €200M in total investment.
Nebius will be the first international AI cloud customer to deploy infrastructure at the centre. The Nasdaq-listed company serves customers ranging from AI start-ups and research labs to major technology companies including Microsoft and Meta. Its Estonian deployment is part of a wider European network that includes facilities under development in Finland and France, as well as operations and deployments in several other European markets.
“Estonia is a natural choice for Nebius, with its world-class engineering talent, vibrant digital economy and start-up culture, and ambitious plans for both AI and the clean energy transition,” said Tom Blackwell, chief communications officer at Nebius. The company also plans to work with Estonian government, industry and university partners to strengthen AI skills and broaden access to AI.
The connection agreement requires Elering to build the 110-kilovolt connection points within 14 months. “In accordance with the agreement reached, Elering will, in just 14 months, build 110-kilovolt connection points at Harku substation for hooking up the data centre,” said Kert Evert, CEO of MCF Group Estonia.
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