Hammir mirror device

Realta Fusion · OM Station (former Oscar Mayer site), Madison, WI · Wisconsin

High-field magnetic mirror fusion device at Realta's new 'Realta Forge' R&D site in Madison; construction planned to start before the end of 2026. Wisconsin and Madison committed up to $55M in incentives.

Fusion · Magnetic confinement SEE CONNECTIONS →

ANNOUNCED
DEVELOPMENT
PERMITTED
FINANCED
CONSTRUCTION
OPERATING

Power

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Fusion · Research and prototype

Storage

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energy capacity

Online

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not announced

Capital committed

—

closed or awarded

Capital pending

$55M

conditional or under review

Capital stack

1 SOURCES

State support $55M

State support · State of Wisconsin and City of MadisonUp to $55M of investments and incentives for the Madison siteANNOUNCED · 2026-07-16 · ans.org$55M

Milestones

Jul 2026Realta picks Madison's former Oscar Mayer site for its HQ and Hammir
2026 · APPROXIMATE TARGETConstruction start (target)

Grid, permits and build

Grid connection, permits, contractors and cost not researched yet for this project.

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Hammir mirror device

Capital stack

Milestones

Grid, permits and build

Hammir mirror device

Capital stack

Milestones

Grid, permits and build

Who buys and who finances

Exposed to

Dependencies

Related

Sources