Milestone notes
Milestone note Reached Jun 2026

DOE approves first private fusion-plant design review

Xcimer / US DOE — The DOE accepted Xcimer's 724-page preconceptual design and technology roadmap for Athena, its laser-fusion power-plant architecture — billed as the industry's most comprehensive government review of a privately-developed fusion plant, under the DOE Fusion Milestone Development Program.

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