AP1000 reactor design approval renewed for 40 years with an updated design based on Vogtle
The Nuclear Regulatory Commission renews the AP1000 design certification for 40 years and adds Revision 20, which reflects changes made building and running Vogtle Units 3 and 4. The older revision stays available. Significant adverse comments mean withdrawal.
Who it affects
Utilities and companies planning AP1000 nuclear plants
When
This rule takes effect on December 28, 2026.
- : Published in the Federal Register
- : Last day for significant adverse comments that could stop it
- : This rule takes effect
Official text
FR Doc. 2026-21030: AP1000 Design Certification Renewal
On Federal Register. The official text is what counts; read it before you act.
Not legal advice. Plain-English summaries to help you find what changes and when. Not legal advice: read the official text, and ask a lawyer about your situation.