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FusionBenchmark

ST40

The main purpose of ST-40 is to prove the feasibility of commercial fusion energy with compact spherical tokamaks.

Quoted verbatim from the IAEA World Survey of Fusion Devices, not paraphrased.
Type
Fusion device
Approach
Tokamak
Country
GB
Status
Operating
Ownership
private

Measurements

6.3 × 10¹⁸ m⁻³·keV·s Fusion triple product (nTτ_E) claimed

measured 2022 · shot 10009

9.6 keV Ion temperature claimed

measured 2022 · shot 10009

5.5 × 10¹⁹ m⁻³ Plasma density claimed

measured 2022 · shot 10009

0.012 s Energy confinement time (τ_E) claimed

measured 2022 · shot 10009

0.5 m Major radius claimed

0.3 m Minor radius claimed

2 MA Plasma current claimed

3 T On-axis magnetic field claimed

1 s Plasma duration claimed

nominal