Fusion Energy Startup: 🔥 Building the Future! ⚡

September 09, 2026 |

Tech

🎧 Audio Summaries
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đź§ Quick Intel


  • Fusionality, founded by Federico Felici and Jonas Buchli, secured a $3.7 million (CHF 3 million) pre-seed round from Founderful and Playfair.
  • The company is operating within the emerging supply chain supporting the fusion power industry, focusing on control systems and simulation environments.
  • Fusionality’s control systems will leverage commonality across reactor designs, aiming to reduce development time for fusion startups.
  • Felici and Buchli previously collaborated on AI control for an experimental tokamak at EPFL and Google DeepMind, with AI expected to “complement or enhance or optimize” system components.
  • Fusionality’s initial focus is on magnetic confinement, exemplified by startups like Commonwealth Fusion Systems, Realta Fusion, Proxima Fusion, and Type One Energy.
  • The company’s team currently consists of seven members, planning to develop a “tightly selected number of technologies” akin to Lego blocks.
  • Fusionality’s strategy involves developing control systems and simulation environments to help fusion startups fine-tune their designs.
  • 📝Summary


    This year, Lausanne-based startup Fusionality, founded by Federico Felici and Jonas Buchli, secured a $3.7 million pre-seed round. Felici serves as CEO, while Buchli is CTO, establishing a foothold within a nascent supply chain supporting the fusion power industry. The company’s focus is developing control systems and simulation environments, recognizing that many fusion startups are reliant on building their own systems from scratch. Felici and Buchli’s collaboration began during their work at EPFL and Google DeepMind, where they explored the role of AI – initially intended to complement rather than fully control – in optimizing fusion reactor designs, particularly magnetic confinement approaches championed by companies like Commonwealth Fusion Systems. Currently a team of seven, Fusionality intends to develop a curated set of technologies, akin to modular building blocks, for the evolving field.

    đź’ˇInsights

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    THE RISE OF FUSIONALITY: A NEW PLAYFIELD IN FUSION POWER
    Federico Felici and Jonas Buchli recognized a critical gap in the burgeoning fusion energy sector – a lack of specialized providers for control systems and associated hardware and software. Their insight, fueled by years of experience tackling customer needs, led to the founding of Lausanne-based Fusionality in 2023, securing a $3.7 million pre-seed round from Founderful and Playfair. Felici serves as CEO, and Buchli as CTO, positioning the company at the forefront of an emerging supply chain catering to the growing demands of fusion startups.

    ADDRESSING A CORE NEED: CONTROL SYSTEMS FOR FUSION REACTORS
    The development of fusion power plants relies on incredibly precise control systems to manage the complex conditions within a fusion reactor. These systems must maintain the superheated plasma – a state where atoms fuse, releasing energy – at the correct temperature, shape, and fuel level. This requires split-second decision-making, highlighting the significant challenge in developing and deploying these systems. Many companies currently build their control systems from scratch, but a significant portion (80%) remains consistent across reactor designs, presenting an opportunity for specialized solutions.

    TECHNOLOGY AND METHODOLOGY: MAGNETIC CONFINEMENT AND AI INTEGRATION
    Fusionality’s strategy centers around magnetic confinement fusion, utilizing powerful electromagnets to contain the plasma. This approach, championed by startups like Commonwealth Fusion Systems, Realta Fusion, Proxima Fusion, and Type One Energy, aligns with the company’s vision of providing a suite of control systems and simulation environments. Felici and Buchli's background, including their experience teaching AI to control experimental tokamaks at EPFL and Google DeepMind, informs their approach. They acknowledge AI’s potential role, not as a complete control solution, but rather as a tool to complement and optimize various aspects of the system.

    EARLY DEVELOPMENT: SIMULATION ENVIRONMENTS AND "LEGO BLOCKS"
    Initially, Fusionality plans to build upon the commonality of fundamental physics across reactor designs. They intend to develop simulation environments that startups can fine-tune to their specific designs. Felici and Buchli’s origins in AI research and experimentation—Felici's work at EPFL and Buchli’s time at Google DeepMind—provide a strong foundation for this approach. The company’s strategy is likened to building with “Lego blocks,” focusing on a tightly selected number of key technologies to establish a robust core before expanding.

    INVESTOR SUPPORT AND TEAM GROWTH
    The $3.7 million pre-seed funding round from Founderful and Playfair fuels Fusionality's initial development efforts. The current seven-person team will focus on developing these foundational technologies. The company’s ambition is to serve the wide range of technologies needed to operate a fusion reactor, demonstrating a scalable vision for growth within the rapidly expanding fusion energy landscape.

    THE FUSION ECOSYSTEM: A GROWING NETWORK OF STARTUPS
    Fusionality operates within a broader ecosystem of fusion startups, each contributing to different aspects of the technology. Companies like Kyoto Fusioneering are developing components to translate engineering breakthroughs into electricity, while others, such as existing manufacturers, provide high-precision parts. This diverse network highlights the collaborative nature of innovation within the fusion industry, creating a fertile ground for companies like Fusionality to thrive.