Alphabet Commits €411M to Proxima Fusion, Secures 200MW Clean Energy
Alphabet participated in a €411 million funding round for German fusion startup Proxima Fusion, valuing the company at €2.4 billion. Coupled with its 200-megawatt offtake agreement with Commonwealth Fusion Systems, the deal secures diversified clean energy capacity for Alphabet's expanding AI infrastructure.
1. Investment Details
Alphabet joined a €411 million Series C round for Proxima Fusion, boosting the startup’s valuation to €2.4 billion. The capital injection will fund Proxima’s work on tokamak and alternative fusion designs in Germany and support its Europe commercialization efforts.
2. Offtake Agreement
Alphabet previously signed a 200-megawatt offtake deal with Commonwealth Fusion Systems, guaranteeing future clean power once CFS’s pilot plant reaches commercial output. This contract underpins Alphabet’s commitment to long-term energy supply for its data centers.
3. Strategic Rationale
Securing stakes in two distinct fusion firms allows Alphabet to lock in low-carbon energy pricing beyond traditional markets, mitigating future cost volatility. The approach aligns energy procurement with the company’s AI compute growth, where power demand is rising sharply.
4. Diversification and Competitive Position
By investing across continents and fusion technologies, Alphabet emerges as the most diversified clean energy buyer among hyperscalers. The dual-track strategy may pressure peers to seek similar long-duration power supplies to support large-scale AI deployments.






