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SPARC

SPARC, a fusion device (tokamak) in United States, operated by Commonwealth Fusion Systems. Under construction.

It will join the 11 research reactors operating in the United States today.

Country
United States
City
Type
Fusion device · Tokamak
Confinement
Conventional Tokamak
Operator
Commonwealth Fusion Systems
Status
Under construction
First plasma

Data: IAEA FusDIS · updated on Sep 5, 2026

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