First TRISO-based small modular reactor reaches criticality in test
TL;DR Summary
Antares' Mark 0 small modular reactor, based on TRISO fuel, reached criticality at Idaho National Laboratory—the first new nuclear design to do so under a DOE push to accelerate development. The test is non-power-generating and aims to validate physics and safety data for licensing; full power generation is expected next year, with DoD’s Project Pele and NASA backing the effort.
- Small modular nuclear reactor reaches criticality in first test Ars Technica
- Energy Department says advanced nuclear reactor first to reach critical milestone AP News
- Privately developed Mark-Zero reactor goes critical at Idaho National Laboratory, DOE says KBOI
- US Says Antares’ Small Nuclear Reactor Reaches ‘Criticality’ Bloomberg.com
- First advanced reactor criticality in the US announced at INL East Idaho News
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