Nebius, the Amsterdam-registered AI infrastructure company spun out of Yandex last year, announced Wednesday it will deploy $2.6 billion worth of Bloom Energy solid oxide fuel cells across its European data center footprint. Bloom shares rose 12% in early trading. The deal represents the largest single fuel-cell commitment in commercial AI infrastructure history.
Nebius will install Bloom's 250-kilowatt Energy Server modules beginning in Q2 2025, targeting 1.2 gigawatts of on-site generation capacity by year-end 2027. The fuel cells run on natural gas and convert it directly to electricity without combustion, producing roughly half the carbon of grid power in Germany or Poland. Nebius cited grid interconnection queues stretching 36 to 48 months in Frankfurt, Warsaw, and Stockholm as the primary driver for the shift to distributed generation. The company is building GPU clusters for European AI training customers who cannot wait for utility-scale power.
This matters because the European AI infrastructure build is running into the same wall U.S. hyperscalers hit in Northern Virginia 18 months ago: not enough megawatts, not fast enough. Nebius is solving for speed, not cost. Bloom's fuel cells can be installed and energized in 90 to 120 days versus multi-year grid upgrades. The $2.6 billion capital outlay translates to roughly $2,167 per kilowatt, higher than utility power but immune to permitting risk. Nebius is effectively self-insuring its deployment timeline, a rational trade when your customers are paying $3 to $5 per GPU-hour and capacity is the binding constraint.
The second-order effect is margin pressure on European utilities who assumed they would supply this load. Nebius is now a captive customer for natural gas distributors, not electron distributors. If this model works, other AI infrastructure builders—CoreWeave, Lambda, Crusoe—will deploy similar strategies in capacity-constrained markets. Bloom's backlog was $1.8 billion as of last quarter. That number just doubled.
Operators should watch Nebius's first deployment in Frankfurt, expected by Q3 2025, and whether the fuel cells meet the 95% uptime threshold required for continuous training workloads. Also watch whether Bloom can scale production; the company's largest previous deal was $800 million with SK Group. European natural gas prices will determine the operating cost gap versus grid power. Front-month TTF futures are trading at €45 per megawatt-hour, making fuel-cell economics workable but not comfortable.
Bloom Energy has now locked $4.4 billion in AI infrastructure fuel-cell orders since September 2024. The company's ability to deliver is the open question.