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Wire · technology

US nuclear startup achieves first reactor criticality in under one year at Texas site

6 August 2026 · By · Wire by Fusion42

Published

6 August 2026

Topic

technology

◆ Sectors

Clean Energy

◆ Geography

United States

◆ Source

Read at interestingengineering.com →

◆ Verified

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.

◆ Coverage

1 source · 6 Aug 2026

◆ Related on Wire

◆ Topics

Clean Energynuclear-energyusreactor-criticalityclean-energyisotope-production