COMPANY PROFILE

Renaissance Fusion

Renaissance Fusion builds on the success of stellarator experiments, makes them reactor-ready by quadrupling the magnetic field and simplifies them using proprietary High-Temperature Superconductors…

Fontaine, FranceFounded 2020Energy

Valuation $100–250M Last recorded · 2025

Headcount 100–500 Current team size

Total funding $50–100M Disclosed equity funding

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About Renaissance Fusion

Renaissance Fusion, a pioneering company, has developed superconductors that make affordable fusion electricity and MRIs a commonplace medical examination tool. Their high-temperature superconductors for plasma devices and medical imaging enable cost-effective fusion energy integration into the grid. As the first magnetic confinement fusion startup in continental Europe, they operate in a region home to 40% of the world's talent, labs, universities, and the unique ITER ecosystem. With a foundation in solid science, Renaissance Fusion combines creative thinking and innovative engineering to achieve economic efficiency.

Source: Dealroom company data

At a glance

Status: Operational
Founded: 2020
Headquarters: Fontaine, France
Employees: 102
Open positions: None listed
Dealroom signal: 92.9/100
Sub-industry: Clean Energy
Sector: Energy, Sustainable Development Goals, Nuclear Fusion, Climate Tech, Novel Energy, Energy and Greentech, Observatoire Deeptech, Hard Tech, Greentech, Superconductors
Technology: Hardware, Deep Tech
Business model: Manufacturing
Client focus: b2b
Links: Website LinkedIn X

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News, research, reports and resources connected to this company by Dealroom

Funding history

4 recorded events

Company financing events and reported valuations.

Deal type	Date	Amount	Valuation	Investors	Source
SERIES AOther financing	Mar 2025	$35M	$141M	Lowercarbon Capital · Credit Mutuel	↗
SEEDOther financing	Jan 2023	$17M	$66M	HCVC · Positron ventures · Norrsken VC · Lowercarbon Capital	↗

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Growth signals

Renaissance Fusion website traffic

Latest recorded traffic for Renaissance Fusion is 4.2K monthly website visits, up 31.3% over the last three months. Renaissance Fusion's team grew 8.5% over the past year.

Latest monthly visits4.2K 3-month web change+31.3% 1-year team growth+8.5%

Monthly website visitsOct 2019–Jul 2026

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