Proxima Fusion announced a €411 million ($468 million) financing round, valuing the company at €2.4 billion ($2.7 billion), positioning it as Europe’s best-funded fusion company. The funding, led by XTX Ventures and East X Ventures, includes strategic investments from RWE and Google, and will support the development of Alpha, a net-energy stellarator demonstrator near Munich. The round underscores growing momentum for fusion energy as a strategic technology for energy security and industrial competitiveness. The financing provides the backing needed to build Alpha, Proxima’s net-energy stellarator demonstrator near Munich, Germany. Alpha is the critical bridge between decades of fusion research and commercial deployment. Led by Proxima in partnership with the state of Bavaria, the Max Planck Institute for Plasma Physics and RWE, the project will validate key technologies and accelerate the development of the world's first fusion power plant later that decade. “Europe is racing with the United States and China to get to the first fusion power plant. Proxima’s financing demonstrates that Europe can not only invent breakthrough technologies, but also build globally competitive companies around them. Investors recognise both the urgency and the opportunity of what we're doing and are backing us to develop a generational energy technology company," said Dr. Francesco Sciortino, Co-Founder and CEO of Proxima Fusion.
€411 Million Round Backs Alpha Stellarator Development
The financing round, one of the largest private investments in European technology this year, will fund Proxima’s Alpha project, a net-energy stellarator demonstrator targeted for the early 2030s. Alpha serves as a bridge between decades of fusion research and commercial deployment, validating key technologies for the company’s planned Stellaris fusion power plant later in the decade. The project is a partnership with the Free State of Bavaria, the Max Planck Institute for Plasma Physics, and RWE, with over 50 industrial partners in the Alpha Alliance consortium. Proxima now ranks among the world’s best-funded fusion companies, with this round marking the largest private investment in European fusion history. The funding reflects growing recognition of fusion power as a strategic technology for energy security, economic resilience, and industrial competitiveness. The round exceeded Proxima’s target of matching Bavaria’s €400 million public contribution, demonstrating how public-private partnerships can catalyze private capital at scale.
RWE and Google Join Strategic Investors in Fusion Bet
German utility RWE invested in Proxima months after signing an agreement to co-develop the first stellarator fusion power plant on the site of a former nuclear facility in Gundremmingen, Bavaria. Google’s participation reflects its long-term interest in fusion as a carbon-free energy source. The round also included KfW Capital, SPRIND, and Burda Principal Investments, alongside returning investors such as Plural, UVC Partners, Balderton, Cherry Ventures, DST Global Partners, Brevan Howard Macro Venture, Lightspeed, DTCF, redalpine, Leitmotif, Elaia, CDP Venture Capital, Bayern Kapital, and the EIC Fund. RWE’s investment follows its partnership with Proxima to build the first stellarator fusion power plant at the former nuclear site in Gundremmingen, Bavaria. Google’s involvement underscores its sustained focus on fusion as a long-term, carbon-free energy solution. The round’s scale highlights the increasing alignment between private capital and public policy priorities in advancing fusion as a cornerstone of Europe’s energy transition.
Europe’s Fusion Race Gains Momentum with Proxima’s Vertical Integration
Proxima’s vertical integration strategy focuses on completing the Stellarator Model Coil, expanding high-temperature superconducting (HTS) magnet production, and scaling engineering and manufacturing systems. The company plans to accelerate hiring across its Munich, Zurich, and Oxford offices to support these efforts. Proxima’s approach builds on the Wendelstein 7-X programme’s scientific breakthroughs, aiming to commercialize the QI-HTS stellarator concept. The company’s progress signals Europe’s push to compete with U.S. and Chinese fusion initiatives, though timelines for grid-scale deployment remain uncertain. Proxima will be hiring across engineering, manufacturing, and operations to accelerate progress. The company’s focus includes the completion of the Stellarator Model Coil and the expansion of HTS cable and magnet production. Proxima employs around 200 people across engineering, science, and operations, with plans to grow its workforce to support these initiatives. The company’s ambition is supported by the Alpha Alliance, a consortium of more than 50 industrial partners, and a distinguished Industrial Development Board.
Key Takeaways
- Proxima Fusion raised €411 million at a €2.4 billion valuation, becoming Europe’s best-funded fusion company.
- The funding supports Alpha, a net-energy stellarator demonstrator near Munich, with a target completion in the early 2030s.
- Strategic investors RWE and Google joined the round, alongside XTX Ventures and East X Ventures.
EnergyInsyte's Take
Proxima’s financing highlights Europe’s growing commitment to fusion as a strategic energy technology, with public funding acting as a catalyst for private investment. While the Alpha project’s timeline and commercial viability remain to be proven, the company’s partnerships and vertical integration strategy position it as a key player in the global fusion race. Executives should monitor Proxima’s hiring trends and supply chain developments for signals of scalable execution.
Source: Businesswire
