The facility in Lappeenranta, Finland, will offer up to 310 megawatts of power, the same as three hyperscaler data centres.
Dutch cloud company Nebius said it is building one of the biggest AI factories in Europe.
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Data centres power the artificial intelligence (AI) race by providing the computing power, storage, and infrastructure needed to train and run advanced models.
The factory, being built in the Finnish city of Lappeenranta, will have an energy capacity of up to 310 megawatts (MW), roughly equivalent to three hyperscale data centres, according to the International Energy Agency (IEA) benchmarks for hyperscale sizing.
It will have a closed-loop liquid cooling system that will regulate the computers’ temperature, which will keep the water consumption to a minimum, Nebius said.
The system will also capture any excess heat generated by the servers and send it to a local district heating network, which could redirect that energy to heat homes.
The Lappeenranta factory will bring up to 700 jobs in construction and 100 permanent positions once the data centre is operational, the company said.
The company is looking to supply at least 2.5 gigawatts (GW) of power by the end of 2026, with a long-term target of 3.3 GW by 2030, which Nebius claims is one of the “largest footprints of purpose-built AI compute” in the world. This will include another project near Lille, in north-eastern France, that will have 240 MW of power when it is operational.
The Lappeenranta factory will be completed and available to customers in 2027.
Europe had approximately 14,784 megawatts (MW) of power available across the continent’s data centres in 2025, up from 10,539 megawatts in 2023, according to the European Data Centre Association.
There are bigger projects than Lappeenranta that are in the works, such as a data centre project in Strängnäs, Sweden, that could offer between 350 and 750 MW of power, according to asset management firm Brookfield.
Meanwhile, internet service provider Start Campus is building a 1.2 GW data centre hub in Sines, Portugal, which will be operational by 2030, the company announced in 2024.
