Helion’s record-breaking 6th fusion prototype
Trenta was the first privately funded fusion prototype to achieve commercially relevant fusion conditions, proving that the physics works.
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Paving the way
Trenta reached plasma temperatures of 100 million °C (9 keV equivalent) and demonstrated fusion in both deuterium–deuterium and deuterium–helium-3 fuel cycles. Its results directly shaped the design of Polaris and continue to guide system development for our commercial systems.
Design specifications
Total length
15 m
Fuel
D-D, D-He-3
Bank energy
10+ MJ
Peak field
8+ T
Inductive energy recovery
No
Isotope separation
No
Total diagnostics
1,100
See video
RESULTS
