High-field magnets
Prototype validatedCompact superconducting magnets improve confinement options.
Record-field demonstrations moved from lab hardware into reactor designs.
Industry detail
Fusion Energy
The field is shifting from isolated plasma records toward repeatable systems, fuel handling, and component qualification.
Prototype
Industry system
Connected view
Dependencies, demand, capabilities, companies, milestones, and evidence in one workspace.
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Stage
Prototype
Companies
8
Milestones
4
Enabling stack
Global axes
Demand and adjacent markets
Core capabilities
Full records
Detailed records behind the map
Capabilities, milestones, participants, evidence, and live source checks remain available after the connected view.
Capability map
What has to work
The main technical capabilities that define progress in this industry.
Plasma confinement
Prototype validatedLonger stable pulses narrow the engineering gap.
Experiments increasingly focus on repeatability and plant integration.
Fuel cycle
Scientific basisBreeding and handling tritium remains an industrial bottleneck.
Blanket testing and supply-chain planning are now central design tasks.
Neutron materials
Scientific basisWall materials must tolerate high-energy neutron exposure.
Component qualification is shifting toward dedicated test facilities.
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Live source checks
Public APIs expand the research graph while preserving neutral analytical framing.
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Recent milestones
How far it has progressed
Observable events tied to capabilities, companies, and sources.
Helion reports D-T fusion conditions on Polaris
Private fusion progress is moving from prototype construction toward repeated plasma performance claims that investors can track.
Evidence
Fusion ignition achieved at National Ignition Facility
A physics milestone showed net energy gain in a controlled experiment.
Evidence
High-field magnet platform validated for compact tokamak designs
Higher field strength can shrink reactor size and change plant architecture.
Evidence
ITER assembly program advances major tokamak infrastructure
Large international infrastructure keeps component engineering in focus.
Evidence
| Date | Milestone | Capability | Related | Evidence |
|---|---|---|---|---|
| Feb 13, 2026 | Helion reports D-T fusion conditions on PolarisPrivate fusion progress is moving from prototype construction toward repeated plasma performance claims that investors can track. Fusion Energy | Plasma confinement | ||
| Dec 5, 2022 | Fusion ignition achieved at National Ignition FacilityA physics milestone showed net energy gain in a controlled experiment. Fusion Energy | Plasma confinement | ||
| Sep 8, 2021 | High-field magnet platform validated for compact tokamak designsHigher field strength can shrink reactor size and change plant architecture. Fusion Energy | High-field magnets | ||
| Jul 28, 2020 | ITER assembly program advances major tokamak infrastructureLarge international infrastructure keeps component engineering in focus. Fusion Energy | Neutron materials |
Related participants
Company and institution map
Public companies, smaller public companies, private/startup participants, and research institutions.
Core builders / suppliers
Companies directly tied to the sector's capabilities, products, or supply stack.
Commonwealth Fusion Systems
Reactor developer
PrivateUnited Statesdirect2 capabilities1 milestones2 relation
Helion Energy
Reactor developer
StartupUnited Statesdirect2 capabilities1 milestones1 relation
Mitsubishi Heavy Industries
7011Industrial systems
PublicJapandirect1 capabilities1 milestones1 relation
Kyoto Fusioneering
Fusion components
StartupJapandirect2 capabilities1 relation
TAE Technologies
Reactor developer
PrivateUnited Statesdirect1 capabilities
Demand and platform context
Large platforms, customers, or infrastructure players that explain why the field matters.
Research and public programs
Institutions and programs that support the technology path.
Related public companies
2Public
Mitsubishi Heavy Industries
Industrial systems
Industrial systemsJapanTokyo Stock Exchange
Public
Constellation Energy
Power customer and operator
Power customer and operatorUnited StatesNASDAQ
Related public companiesRoleGeographyMarket
Related small-cap companies
0No companies in this sample.
Related private and startup companies
4Private
Commonwealth Fusion Systems
Reactor developer
Reactor developerUnited States
Startup
Helion Energy
Reactor developer
Reactor developerUnited States
Private
TAE Technologies
Reactor developer
Reactor developerUnited States
Startup
Kyoto Fusioneering
Fusion components
Fusion componentsJapan
Related private and startup companiesRoleGeographyMarket
Research institutions
2Evidence
Source list
Signals and milestones remain traceable as provider data expands the research graph.
Company release - Feb 13, 2026Helion Polaris D-T fusion milestoneHelion EnergyGovernment program - Dec 13, 2022DOE announcement on fusion ignitionU.S. Department of EnergyCompany release - Sep 8, 2021High-temperature superconducting magnet demonstrationCommonwealth Fusion SystemsIndustry report - Jan 1, 2024ITER program overviewITER OrganizationIndustry report - Jul 1, 2024Private fusion company landscapeFusion Industry Association