Plasma confinement
Prototype validatedLonger stable pulses narrow the engineering gap.
Experiments increasingly focus on repeatability and plant integration.
Company detail
Helion Energy
Pursues pulsed fusion systems with direct electricity conversion.
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Fuel cycle
Scientific basisBreeding and handling tritium remains an industrial bottleneck.
Blanket testing and supply-chain planning are now central design tasks.
Related milestones
Linked progress events
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Feb 13, 2026
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.
| 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. |
Evidence
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