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US nuclear startup achieves first reactor criticality in under one year at Texas site
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United States
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Fusion42 · 7 August 2026 · Fusion42 review
A US nuclear startup achieved first reactor criticality in less than one year at a site in Texas, marking a rapid milestone in nuclear reactor development aimed at isotope production.
This Wire brief sits within Fusion42's coverage of Clean Energy.
◆ ◆ The Wire takeaway
Your nuclear energy startup just saw the speed of reactor development collapse below a year, opening a rare market access gap for isotope production services. Now is the time to connect with emerging partners in Texas for early deployments.
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1 source · 6 Aug 2026
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Clean Energynuclear-energyusreactor-criticalityclean-energyisotope-production