United States United States · Madison · 43.075, -89.404 (approximate location)

PEGASUS-III

PEGASUS-III, a fusion device (tokamak) in Madison, United States, operated by University of Wisconsin-Madison. Operating.

It is one of the 11 research reactors operating in the United States.

Country
United States
City
Madison
Type
Fusion device · Tokamak
Confinement
Spherical Tokamak
Operator
University of Wisconsin-Madison
Status
Operating
First plasma
—

Data: IAEA FusDIS · updated on Sep 21, 2026

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