Renaissance Fusion
Grenoble · Founded 2020 · $58.8M raised
- Headquarters
- Grenoble
- Founded
- 2020
- Business Model
- B2B
- Website
- renfusion.eu
- Total Funding
- $58.8M
- Last Round
- $33.2M Series AMar 2025
- Rounds
- 3
About
Renaissance Fusion is a Grenoble, France-based deeptech startup building a stellarator — a magnetic confinement fusion reactor — using high-temperature superconducting (HTS) tapes and liquid metal wall technology to deliver clean, abundant energy. Founded in July 2020 by physicist Francesco Volpe and Martin Kupp, the company has filed 12 patent families on HTS and liquid metal technologies and grown to more than 100 employees representing 24 nationalities. In October 2025 it opened a subsidiary, Renaissance Fusion Italia, in Pisa, expanding beyond its original Grenoble base.
Summary
Renaissance Fusion is a Clean Tech company based in Grenoble, founded in 2020. It has raised $58.8M in total across 3 rounds, most recently a $33.2M Series A round in Mar 2025. Investors include Lowercarbon Capital, Crédit Mutuel Impact and Bpifrance.
Tech & App Stack
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Funding History
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Mar 2025
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Seed through Series A — per-round amounts, valuations, and who invested in each round.
Investors
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