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Antares Nuclear · Site to verify · USA (other)DEVELOPER HEALTHHEALTHY
Microreactor; reached zero-power criticality in June 2026 under the DOE pilot program.
Power
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Fission · Research and prototype
Storage
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energy capacity
Online
Jun 2026
actual
Capital committed
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closed or awarded
Capital pending
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conditional or under review
DOE authorized
No project-level financing disclosed yet.
Sources: world-nuclear-news.org
Not applicable: test or demonstration machine, sells no power
STEP 4/6 · AT RISK HALEU is the bottleneckMost advanced designs need HALEU (5–20% enriched), with no commercial US supply at scale yet.
STEP 4/4 · WATCH Office relaunched as Energy Dominance FinancingLending shifts toward nuclear and utility expansions (AP1000 offers, Constellation uprates).
Critical inputs
Policy that applies
Developer
Place