The German scientific community made an ambitious move in nuclear fusion research through the introduction of their revolutionary reactor design. Proxima Fusion received venture capital funding to launch its startup, which now provides free access to its stellarator reactor blueprint as a significant development for global fusion energy research. The company pursues collaboration by distributing its innovation to scientific researchers across the world, including researchers in the U.S. and China.
The energy generation process of nuclear fusion combines atomic nuclei to produce tremendous power while eliminating both dangerous emissions and dangerous radioactive waste. The advancement of fusion research through recent achievements has created conditions for commercialization to become feasible. The company Proxima Fusion leads its efforts toward stellarator development instead of traditional tokamak reactor systems.
The two reactor designs employ strong electromagnetic fields to maintain hot plasma inside their circular chamber. The plasma confinement in tokamaks depends on electric current generation, yet this process triggers intermittent disruptions. Continuous operation becomes possible through stellarators because they depend solely on magnetic fields, which reduces material fatigue while making reactor control easier.

Proxima Fusion developed stellarator technology through its affiliation with the Max Planck Institute of Plasma Physics (IPP) in Germany. The company achieved the development of Stellaris, an innovative reactor concept with high-temperature superconducting (HTS) magnets, in less than half the projected time frame of one year. The technological advancement enables stellarators to become smaller while maintaining their operational performance levels. The Stellaris design avoids expensive or unavailable materials through its use of standard supply chain components, which makes commercial fusion applications more viable.
The construction of Alpha, the demonstrator plant, will begin during 2031. A successful stellarator development by Proxima Fusion would transform worldwide energy markets by providing unlimited clean power during the next ten years, which would establish Germany as a leader in fusion technology compared to China and Russia.