WORLD NUCLEAR ENERGY
Advanced reactor concepts
Understand the status before treating a concept as an available asset.
Use a specific name and source
Advanced nuclear is an umbrella phrase rather than a single operating product. Concepts differ in technology, scale, application and evidence maturity. A meaningful discussion identifies the developer and the relevant public source.
This publication focuses on energy literacy and documented milestones. It does not provide reactor design specifications or operational instructions.
Distinguish a concept from a project
Research, pre-application engagement, a licensed design and an operating facility each require different evidence. Check the date and jurisdiction of a statement rather than transferring a status from one country or design to another.
Sources: IAEA-SMR · NRC-AP300. Checked 9 November 2026. Full context in Sources.