Thorium Atomics advances Tesseract licensing

Started by Marlin, Aug 12, 2026, 11:42

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Marlin


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Thorium Atomics has initiated pre-application engagement with the Nuclear Regulatory Commission for its 100 MWe Tesseract TGR reactor under the 10 CFR Part 53 framework. The helium-cooled, pebble-bed design utilizes TRISO fuel and a thorium breeding blanket to provide industrial process heat. The company is also seeking access to the Idaho National Laboratory Nuclear Energy Launch Pad to conduct independent physics validation of its core design.

QuoteThorium Atomics has begun pre-application NRC engagement for its Tesseract TGR advanced reactor under the new Part 53 licensing framework.

The 100 MWe helium-cooled, pebble-bed reactor is designed to deliver 750°C industrial process heat and firm electricity, while using sub-10% enriched TRISO fuel and a thorium breeding blanket.

Toronto-based Thorium Atomics has advanced its US licensing pathway by initiating pre-application regulatory engagement with the Nuclear Regulatory Commission (NRC) for its Tesseract TGR advanced reactor. NRC is reviewing the project under 10 CFR Part 53, released in March, which modernises commercial nuclear rules to safely accommodate advanced nuclear reactors and small modular designs without relying on legacy light-water reactor assumptions. The company is preparing a Regulatory Engagement...

Read the full article at neimagazine.com:
https://www.neimagazine.com/news/thorium-atomics-advances-tesseract-licensing/?cf-view

Mounder