Realta Fusion
Realta Fusion is a fusion energy company developing compact, scalable, modular CoSMo fusion™ energy systems to decarbonize industrial heat and power.
Last updated September 16, 2026
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Overview
Realta Fusion is a fusion energy company based in Madison, Wisconsin, USA. It is developing compact, scalable, modular CoSMo fusion™ energy systems aimed at decarbonizing industrial heat and power. The company applies next-generation technology to the magnetic mirror fusion concept to accelerate adoption of fusion energy, with prefabricated modules that can be assembled to meet a variety of industrial energy needs. Its leadership includes CEO and Co-Founder Kieran Furlong and Founding Chief Scientist Cary Forest.
History
Realta Fusion is a fusion energy company based in Madison, Wisconsin, USA. It is developing economic, zero-carbon energy intended to be used anywhere in the world. The company is working to decarbonize industrial process heat and electricity, applying next-generation technology to a mature fusion concept — the magnetic mirror — to accelerate the adoption of fusion energy. Its team includes CEO and Co-Founder Kieran Furlong and Founding Chief Scientist Cary Forest, along with other co-founders and scientific staff.
Products and positioning
Compact, scalable, modular fusion energy systems for decarbonizing industrial heat and power.
CoSMo fusion™ energy systems
Compact, scalable, modular fusion system designs with prefabricated modules that can be assembled to meet a wide variety of industrial energy needs.
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