Realta Fusion
Compact, Scalable, Modular – CoSMo fusion™ – energy systems
Madison, United States · Founded 2022 · $45.0M raised
- Headquarters
- Madison, Wisconsin
- Employees
- 11–50
- Founded
- 2022
- Business Model
- B2B
- Website
- realtafusion.com
- Total Funding
- $45.0M
- Last Round
- $36.0M Series AMay 2025
- Rounds
- 2
About
Develops compact, scalable modular fusion energy systems for industrial heat and power, targeting zero-carbon energy for hard-to-decarbonize processes.
Summary
Realta Fusion is a Clean Energy company based in Madison, United States, founded in 2022. It has raised $45.0M in total across 2 rounds, most recently a $36.0M Series A round in May 2025. Investors include Khosla Ventures, Future Ventures and Mayfield Fund.
Tech & App Stack
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Funding History
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May 2025
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Seed through Series A — per-round amounts, valuations, and who invested in each round.
Investors
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