What changed
Citation checkedNuclear Regulatory Commission · Final rule · Published March 30, 2026
The NRC has finalized a new licensing framework for advanced reactors.
The rule establishes an optional, risk-informed, performance-based, technology-inclusive alternative for licensing commercial nuclear plants. That choice may affect work already underway.
Review the NRC Part 53 authorityFinal ruleLead authority · primary
Implementation materialsInclude · official agency material
Existing statutory frameworkSupporting authority