Lightbridge Commences Irradiation Testing of Uranium-Zirconium Alloy Fuel Material
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Nov 19 2025
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Irradiation Testing Announcement: Lightbridge has begun irradiation testing of its enriched uranium-zirconium alloy fuel samples at the Advanced Test Reactor (ATR) in Idaho National Laboratory (INL).
Significance of the Milestone: This testing marks a significant advancement in Lightbridge's fuel development program, as highlighted by Dr. Jess Gehin from INL, emphasizing the importance of the ATR for evaluating advanced nuclear materials.
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About LTBR
Lightbridge Corporation is a nuclear fuel technology development company. The Company is developing Lightbridge Fuel, a proprietary nuclear fuel technology for existing light water reactors and pressurized heavy water reactors, which is expected to significantly enhance reactor safety, economics, and proliferation resistance. The Company is also developing Lightbridge Fuel for new small modular reactors (SMRs) to bring the same benefits plus load-following with renewables on a zero-carbon electric grid. It also develops new nuclear power plants, large and small, and enhances proliferation resistance of spent nuclear fuel while supplying clean energy to the electric grid. The Company develops proprietary next-generation nuclear fuel technologies for current and future reactors, which significantly enhances the economics and safety of nuclear power, operating about 1000° C cooler than standard fuel.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
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