First Light Fusion
The world’s leading inertial fusion company. Our mission: Fusion power by the simplest means possible.
93 employees · est. 2011 · United Kingdom
Novatron Fusion Group AB
Fusion powering the sustainable planet
43 employees · est. 2019 · Stockholm, Sweden
First Light Fusion is the older company (2011 vs 2019); First Light Fusion is the larger of the two.
1 signal in the last 90 days
Side-by-Side Comparison
| Metric | First Light Fusion | Novatron Fusion Group AB |
|---|---|---|
| Founded | ||
| Founded | 2011 older | 2019 |
| Headquarters | ||
| Headquarters | United Kingdom | Stockholm, Sweden |
| Employees | ||
| Employees | 93 larger | 43 |
| Industry | ||
| Industry | Energy, Renewable Energy, Energy Efficiency | Clean Energy |
| Funding Stage | ||
| Funding Stage | Series C | Series A |
| Total Funding | ||
| Total Funding | $93.70M | $18.00M |
| Funding Rounds | ||
| Funding Rounds | 7 | 4 |
| Services | ||
| Services | Fusion Energy Commercialization, Amplifier Technology Development, AI and Simulation for Energy, Partnership Pathways for Fusion | Development and commercialization of fusion reactor technology for clean and sustainable energy production |
| Target Customers | ||
| Target Customers | Global Fusion Companies, Energy Sector Stakeholders, Government Energy Authorities, Research Institutions | Governments, private sector energy companies, research institutions, and technology investors interested in clean energy solutions |
| Taxonomy | ||
| Taxonomy | Inertial Fusion Energy, Energy Generation, Inertial Confinement Fusion, Numerical Simulation, Experimental Validation, Power Generation, Fundamental Physics, Theoretical Analysis, Physics Research, Fusion Technology, Academic Collaboration, Energy Research And Development | Nuclear Fusion Technology, Energy Production, Sustainable Energy, Climate Change Mitigation, Proprietary Fusion Power Concept, Plasma Physics, Renewable Energy Solutions, Clean Energy Innovation, Renewable Energy Technology, Green Energy Development |
| Website | ||
| Website | firstlightfusion.com | novatronfusion.com |
About First Light Fusion
First Light Fusion, branded as "The world’s leading inertial fusion company. Our mission: Fusion power by the simplest means possible.", is spearheading innovation in the realm of energy generation, focusing specifically on inertial fusion energy (IFE). Established as a spinoff from the University o...
About Novatron Fusion Group AB
Novatron Fusion Group AB, a Swedish company founded in 2019, is making strides in revolutionizing the field of nuclear fusion for energy production. The company is home to a team of top-tier talent from around the world and is spearheading efforts to fast-track the transition to commercial fusion po...
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Funding, hiring, leadership and stack changes at First Light Fusion and Novatron Fusion Group... — by email.
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Compiled from the BounceWatch company index. We last looked at First Light Fusion on 18 Aug 2025, and Novatron Fusion Group AB on 25 Mar 2025. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.