NRC licensing status for all active SMR programs — updated from ADAMS filings
| Developer | Reactor | Technology | Location | NRC Status | Latest Milestone |
|---|---|---|---|---|---|
| Oklo | Aurora (1.5 MWe) | Fast / Metal fuel | Idaho Falls, ID | License App Under Review | Combined License Application resubmitted 2023 |
| Kairos Power | KP-FHR (140 MWe) | Fluoride salt-cooled | Oak Ridge, TN | Pre-App Engagement | Hermes demo permit issued 2023 (ORNL site) |
| TerraPower | Natrium (345 MWe) | Sodium fast / molten salt | Kemmerer, WY | License App Filed | Kemmerer WY construction permit application 2024 |
| X-Energy | Xe-100 (80 MWe) | High-temp gas / TRISO | Seadrift, TX | Standard Design Approval | SDA application Phase 1 complete 2024 |
| NuScale | VOYGR (77 MWe/module) | Pressurized water | Portland, OR | Design Certified | First design certified SMR (2022) — UAMPS project cancelled |
| Westinghouse | eVinci (5 MWe) | Heat pipe / microreactor | Cranberry Twp, PA | Pre-App Engagement | NRC engagement for DOE/DoD applications ongoing |