Novatron
Novatron Fusion Group is a Stockholm-based, pre-commercial fusion energy developer commercializing the proprietary NOVATRON magnetic mirror reactor — a stable axisymmetric design aimed at delivering low-cost, continuous clean fusion power, with a pilot reactor targeted for the 2030s.
- Company typePrivate
- Founded2019
- HeadquartersStockholm, Sweden
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What Novatron does
Novatron Fusion Group AB is a Stockholm-based, privately held fusion energy developer founded in 2019 (officially launched in December 2022) that is commercializing the NOVATRON reactor — a proprietary magnetic mirror fusion design invented by CTO and co-founder Jan Jäderberg. The architecture is the world's first stable axisymmetric mirror machine, using a unique concave magnetic field geometry, triple-force plugging technology for axial confinement (claimed to deliver a 1000-fold efficiency improvement over conventional mirror designs), and conventional copper magnets to achieve high-beta plasma operation with weaker — and therefore less capital-intensive — magnetic fields. The product roadmap runs from the X0 experimental test rig at KTH (first plasma January 2024) through the NOVATRON 1 prototype inaugurated in June 2025 at the KTH Alfvén Laboratory (described as the EU's first private, fully integrated fusion plasma system), toward the planned NOVATRON 3 pilot reactor targeted for construction in the Nordic region during the 2030s, with a stated goal of commercial grid delivery before 2040.
The company operates a partnership-driven, pre-commercial business model with no disclosed product pricing or end-customer revenue. Capital sources include a EUR 5M seed round (August 2023, led by Climentum Capital), a EUR 3M EIC Pathfinder grant for the TauEB project (December 2024), and a EUR 13M Series A1 led by Nordic energy operator St1 (March 2025), aggregating to roughly EUR 22M of disclosed funding. Strategic alliances span academic partners (KTH Royal Institute of Technology as anchor, UKAEA, Kharkiv Institute of Physics and Technology), pan-European industrial networks (EIT InnoEnergy), industrial and supply-chain partners (St1, Studsvik AB, Freemelt AB, Oxford Sigma), and ecosystem bodies (Fusion Industry Association, The Fusion Cluster UK). The customer base in the commercial sense is effectively non-existent at present — the company serves governments, energy companies, and research institutions as development partners rather than paying end customers, with St1 acting as the flagship strategic anchor.
The GTM is sales-led and event-driven: enterprise engagement with energy companies, governments (including the Director-General of ITER and the European Commission), and research institutions for partnership and funding development, complemented by active participation in and leadership of industry forums (Nordic Fusion Forum, Fusion Energy Forward, FUSION24, FusionXInvest) and PR-driven awareness building in outlets such as USA Today, Wall Street Journal, Financial Times (Sifted), and CNBC. The competitive positioning rests on the design simplicity of the NOVATRON concept — fewer complex systems, lower construction, operational, and maintenance costs versus tokamak and stellarator approaches, and continuous steady-state operation rather than pulsed — within a regulatory environment (Sweden in particular) that explicitly accommodates fusion reactors.
Novatron firmographics
Firmographics- Name
- Novatron
- Legal name
- Novatron Fusion Group AB
- Website
- https://novatronfusion.com
- Company type
- Private
- Founded year
- 2019
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Novatron Fusion Group is a Stockholm-based, pre-commercial fusion energy developer commercializing the proprietary NOVATRON magnetic mirror reactor — a stable axisymmetric design aimed at delivering low-cost, continuous clean fusion power, with a pilot reactor targeted for the 2030s.
- Ownership category
- akta.pro rank
Novatron industry classification
Industry- Product category
- Fusion Energy Technology
- NAICS
- Engine, Turbine, and Power Transmission Equipment Manufacturing (33361)
- akta.pro primary industry
- Reactor Vessel, Internals & Primary Circuit Components (RPV, piping, pumps, valves) (EUAKADAE)
Keywords
Where Novatron is headquartered
LocationHeadquarters
- HQ city
- Stockholm
- HQ country
- Sweden
- HQ region
- Europe
Offices2 records
Markets served
Novatron business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Technology or R&D, Personnel, Infrastructure, Operations, Marketing or Sales
Revenue model
- Pre-commercial R&D and Prototyping: Company is in pre-commercial stage focused on developing proof-of-concept prototypes and validating fusion technology. Revenue will be generated from technology development partnerships, government grants, and eventual commercialization of fusion reactors.
- Fusion Power Plant Commercialization: Long-term revenue model targets commercial fusion power plants delivering energy to the grid before 2040. Goal is to establish NOVATRON design as preferred large-scale dispatchable source of clean, safe, and virtually limitless energy.
Go-to-market motion3 records
Distribution channels3 records
Marketing channels5 records
Novatron product offering
Product offeringCore offering
Novatron Fusion Group develops the proprietary NOVATRON fusion reactor, a magnetic mirror-based concept featuring a unique concave magnetic field geometry and triple-force plugging technology for stable plasma confinement. The company is currently in pre-commercial stage, building prototypes such as NOVATRON 1 (N1) at KTH Royal Institute of Technology, with a planned pilot reactor (NOVATRON 3) targeted for the 2030s and grid-deliverable commercial fusion power targeted before 2040.
Product overview
Novatron Fusion Group is developing the NOVATRON fusion solution — a proprietary magnetic mirror-based fusion reactor technology. The core product is the NOVATRON design, which uses a unique concave magnetic field configuration and triple-force plugging technology for stable plasma confinement. The product portfolio includes the NOVATRON 1 (N1) prototype — the first private, fully integrated fusion plasma system in the EU, inaugurated in June 2025 — and the planned NOVATRON 3 pilot reactor targeted for the 2030s. The company is working to verify the reactor design for continuous steady-state fusion and ultimately generate power to the grid before 2040, targeting commercially viable and cost-effective clean energy production.
Differentiator
Problem solved
Functional benefit
Products and services
- NOVATRON Fusion Reactor A groundbreaking magnetic mirror-based fusion reactor technology invented by Jan Jäderberg, featuring unique magnetic field design and triple-force plugging technology that provides stable and effective magnetic confinement for clean, safe, and virtually limitless energy production.
- NOVATRON 1 (N1) The first official prototype fusion system developed by Novatron, built at KTH Royal Institute of Technology in Stockholm. It is the EU's first private, fully integrated fusion plasma system, successfully achieving first plasma and system integration testing in January 2025 and officially inaugurated in June 2025.
- NOVATRON 3 A planned pilot fusion reactor targeted for construction in the Nordic region during the 2030s. A VTT Technical Research Centre of Finland study identified potential sites in Denmark, Finland, Norway, and Sweden as suitable locations, with Finland being most prepared in terms of regulatory readiness.
Quantifiable outcome
- 1000-fold efficiency boost for mirror machine technology through triple-force confinement approach
- +2 more outcomes
Companies that use Novatron
Customer profileNamed customers1 record
Segments4 records
Ideal customer profiles4 records
Novatron technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
Novatron partnerships and signals
Strategic signalPartnerships
Eleven partnerships are on record, tiered core and flagship.
- VTT Technical Research Centre of FinlandcoreConducted study evaluating potential Nordic locations for NOVATRON 3 pilot fusion reactor. Analyzed regulatory, environmental, operational and societal factors in Denmark, Finland, Norway and Sweden. Report concluded all Nordic countries meet technical requirements with Finland most prepared in regulatory readiness.
- Studsvik ABcoreMemorandum of Understanding to support Nordic fusion technology development. Leverages Studsvik's licensed nuclear site in Nyköping and 75 years of nuclear expertise alongside NFG's proprietary mirror machine-based NOVATRON fusion technology. Collaboration covers material testing, modeling, decommissioning, construction of industrial-scale pilot reactor, and regulatory licensing support.
- Freemelt ABcoreMoU to collaborate on manufacturing methods for fusion reactors. Freemelt aims to expand its fusion activities in Nordic market. Companies working within European fusion ecosystem including collaborations with F4E and UKAEA.
- Oxford SigmacoreCollaborative partnership utilizing Oxford Sigma's technical expertise in fusion component design, materials and manufacturing to accelerate development of the NOVATRON fusion reactor.
- European Consortium (KTH, KIPT, UKAEA, EIT InnoEnergy)coreEUR 3 million EIC Pathfinder TauEB project collaboration to revolutionize plasma confinement and energy containment in fusion reactors. Brings together KTH Royal Institute of Technology, Kharkiv Institute of Physics and Technology, UKAEA, and EIT InnoEnergy.
- Nordic Fusion ForumcoreLed by Novatron Fusion Group in collaboration with KTH Royal Institute of Technology. Event at KTH in Stockholm offering Nordic perspective on global fusion energy landscape, emphasizing need to industrialize commercial fusion energy. Second edition held in Helsinki November 2025.
- United Kingdom Atomic Energy Authority (UKAEA)coreMoU signed between UKAEA, the UK's national fusion energy laboratory, and Novatron Fusion Group. Partnership to fast-track fusion energy through collaboration on technology development, diagnostics (TauEB project), and knowledge sharing.
- Fusion Industry Association (FIA)coreJoined the Fusion Industry Association in the USA - a non-profit membership organization representing interests of the global private fusion community. Connects NFG with international fusion industry ecosystem.
- The Fusion Cluster (UK)coreJoined The Fusion Cluster in the UK - a community helping achieve fusion faster. Provides access to facilities with cutting-edge technology, support in promoting fusion energy capabilities, and connections with scientists, engineers, and governmental representatives.
- KTH Royal Institute of TechnologyflagshipStrategic partnership centered on the NOVATRON fusion reactor design. KTH provides Alfvén Laboratory, extensive plasma physics knowledge, and world-class research facilities. Goal is to validate Novatron's unique approach to plasma confinement, conduct research and education, and demonstrate stable plasma achievement.
- EIT InnoEnergyflagshipPan-European strategic partner contributing network of industry, academia and public institutions. Fourth strategic sector investment in Sweden after battery storage, green hydrogen, and solar photovoltaics. Renewed investments in seed round and ongoing collaboration on commercialization pathway.
Scale indicators8 records
Recent moves7 records
Expansion highlights6 records
Novatron competitors and assessment
Company assessmentDirect peers
- Marvel Fusion: Germany-based laser-driven inertial fusion company with a European footprint. Comparable as a European private fusion peer pursuing an alternative confinement approach.
- Tokamak Energy: UK-based private fusion developer pursuing a spherical tokamak with HTS magnets. Directly comparable to Novatron as another well-funded private magnetic confinement fusion company targeting commercial fusion in the 2030s.
- Commonwealth Fusion Systems: US-based spin-out from MIT developing a compact tokamak using HTS magnets, aiming for first plasma on SPARC. Closest well-capitalized magnetic confinement fusion peer and benchmark for private fusion timelines and capital needs.
- TAE Technologies: US-based fusion developer pursuing field-reversed configuration (FRC), an alternative magnetic confinement approach similar in spirit to Novatron's mirror concept. Comparable as a long-horizon private fusion platform with significant capital raised.
- Type One Energy: US-based stellarator fusion developer using HTS magnets. Comparable as a privately funded advanced magnetic confinement fusion company targeting commercial fusion in the 2030s.
- Helion Energy: US-based fusion developer pursuing pulsed field-reversed configuration with a focus on direct electricity generation. Comparable as a privately funded private fusion company with a clear commercial-vision roadmap.
- General Fusion: Canada-based fusion developer using magnetized target fusion (MTF). Comparable as another private fusion company targeting a pilot demonstration in the late 2020s/2030s.
- First Light Fusion: UK-based inertial confinement fusion developer with projectile-driven approach. Comparable as a UK-headquartered private fusion peer in Novatron's broader European ecosystem.
- Zap Energy: US-based sheared-flow Z-pinch fusion developer with a relatively capital-efficient design philosophy. Comparable as a privately funded alternative-confinement fusion company.
Broad incumbents
- ITER Organization: International public-sector tokamak project based in France. Comparable as the dominant incumbent in fusion with which Novatron engages at the policy level, although ITER pursues a tokamak rather than mirror architecture.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Novatron social profiles
Digital presenceNovatron financial estimates
Financial estimateRevenue estimate
Valuation estimate
Novatron leadership team
Management profileNumber of profiles
Profiles7 records
Novatron funding detail
Funding detailFunding overview
Funding rounds4 records
Investors11 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Novatron M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Novatron
What does Novatron do?
Novatron Fusion Group develops the proprietary NOVATRON fusion reactor, a magnetic mirror-based concept featuring a unique concave magnetic field geometry and triple-force plugging technology for stable plasma confinement. The company is currently in pre-commercial stage, building prototypes such as NOVATRON 1 (N1) at KTH Royal Institute of Technology, with a planned pilot reactor (NOVATRON 3) targeted for the 2030s and grid-deliverable commercial fusion power targeted before 2040.
Is Novatron a public or private company?
Novatron is a private company. It is classified as venture growth investor backed and is currently operating.
When was Novatron founded?
Novatron was founded in 2019. It employs 11 to 50 people.
Where is Novatron based?
Novatron is headquartered in Stockholm, Sweden, in the Europe region.
How does Novatron make money?
Two revenue lines are on record. Pre-commercial R&D and Prototyping is the primary driver. The others are fusion Power Plant Commercialization.
Who are Novatron's main competitors?
Direct peers on record are Marvel Fusion, Tokamak Energy, Commonwealth Fusion Systems, TAE Technologies, Type One Energy, Helion Energy, General Fusion, First Light Fusion and Zap Energy. ITER Organization is listed as a broad incumbent.
Does Novatron have an API?
No public API is recorded for Novatron.
What industry is Novatron in?
Novatron's product category is Fusion Energy Technology. Its primary akta.pro industry code is EUAKADAE, Reactor Vessel, Internals & Primary Circuit Components (RPV, piping, pumps, valves). Its NAICS code is 33361.