Fusion energy leaders Type One Energy and ExoFusion have announced an extension of their partnership focused on stellarator optimization, aiming to enhance plasma confinement and accelerate the path to commercially viable fusion (CVF). The collaboration, which builds on existing work, targets the edge region of the plasma—a critical area for maximizing confinement and improving overall performance.
Stellarators, a type of fusion device, offer inherent stability advantages but require precise engineering to achieve the confinement necessary for sustained fusion reactions. By combining ExoFusion's expertise in plasma edge physics and confinement technologies with Type One Energy's leadership in stellarator engineering and advanced manufacturing, the partners aim to reduce the time and cost required to bring fusion power to the grid.
“Confinement is key to stellarator optimization,” the companies stated, emphasizing that the partnership will leverage exoFusion's intellectual property and simulation capabilities alongside Type One Energy's FusionDirect™ development program. The program employs proven advanced manufacturing methods, modern computational physics, and high-field superconducting magnets to build optimized stellarator systems.
Type One Energy, established in 2019 and venture-backed in 2023, is led by a team of globally recognized fusion scientists and veteran business leaders. The company's FusionDirect™ strategy pursues a low-risk, capital-efficient path to a fusion power plant within the coming decade. ExoFusion, a recipient of ARPA-E, SCIDAC, FIRE, INFUSE, and other grants, focuses on design, simulation, and scientific innovation for the fusion industry, working across multiple device types and fuel cycles.
This extended partnership underscores the growing importance of physics collaborations in achieving commercially viable fusion. By addressing edge plasma confinement—a major challenge in stellarator design—the companies hope to unlock more efficient and stable fusion reactions. For industry leaders, the implications are significant: a faster timeline to fusion power could reshape global energy markets, offering a virtually limitless, carbon-free energy source. The collaboration also highlights the value of specialized expertise in fusion's complex supply chain, where startups like ExoFusion provide critical innovations that complement larger fusion developers.
As the fusion sector matures, partnerships like this one are expected to become more common, pooling resources and knowledge to overcome technical hurdles. The extended work between Type One Energy and ExoFusion represents a targeted effort to solve one of the most pressing issues in stellarator fusion: maximizing confinement to achieve net-positive energy output.

