The NRC is modernizing nrc.gov with an updated design and improved navigation to enhance usability. We are committed to a smooth transition and will work to minimize any disruption. The site may be briefly unavailable at times during launch. Thank you for your patience.
Spotlight
Oklo Aurora Powerhouse
Project Overview
The U.S. Nuclear Regulatory Commission (NRC) is currently engaged in pre-application activities interactions for the Oklo Aurora Powerhouse reactor. The proposed Oklo reactors are liquid metal-cooled, metal-fueled fast reactors with a maximum power level of 75 MWe.
For more information, please see the Oklo pre-application docket 99902095.
To subscribe to the Oklo Powerhouse email service, select Oklo from the Advanced Reactors list after entering your email into the GovDelivery system.
Pre-Application Activities
| Product | Type | Reference | Status |
|---|---|---|---|
| Standardized Operational Programs | White Paper | ML22250A515 | Feedback Provided ML22293B811 |
| Safety Analysis: Initiating Event Analysis | White Paper | ML22356A202 | Feedback provided ML23089A401 |
| Meeting on Security, Source Term, Principal Design Criteria | Slides | ML23087A284 | No review requested |
| Source Term Modeling Overview | White Paper | ML23111A297 | Feedback Provided ML23187A577 |
| Safety Classification Overview | White Paper | ML23153A203 | Feedback Provided ML23244A039 |
| Meeting on Safety Classification, PRA, & Materials | Slides | ML23186A084 | No review requested |
| Meeting on Safety Classification, Environmental, Cybersecurity, and Fitness-for-duty | Slides | ML23209A874 | No review requested |
| Emergency Plan | White Paper | ML23293A279 | Feedback provided ML24072A287 |
| Considerations for Including Principal Design Criteria in the Licensing Basis in 10 CFR Part 52 | White Paper | ML23304A212 | Feedback provided ML24071A064 |
| Approach to Seismic Design Categorization and Site Characterization | White Paper | ML23307A220 | Feedback provided ML24036A305 |
| Development of Regulatory Controls: Shutdown Case Study | White Paper | ML23312A318 | Feedback provided ML24033A068 |
| Oklo Inc. Licensing Project Plan Q1 2026 Update | Regulatory Engagement Plan | ML25315A019 | No review requested |
| Preapplication Readiness Assessment for Phase 1 of a Combined License Application | Readiness Assessment | ML25052A168 | Feedback provided ML25178A078 |
| Product-Based Operator Licensing Framework | Topical Report | ML25070A325 | Under Review ML25176A098 |
| Principal Design Criteria for the Aurora Powerhouse | Topical Report | ML25220A124 | Feedback provided ML26086A304 |
| Pre-Phase 2 Combined License Application | Audit | ML25052A168 | Under Review ML25245A207 |
| Staffing Plan Validation Methodology- | Topical Report | ML26034C408 | Under Review |
| NRC Observation of Oklo's DOE Authorization Activities for the Aurora-INL Powerhouse | Audit | ML26021A199 |
Under review |
Contacts
| Contacts for the Oklo Aurora Powerhouse Pre-Application Review | |
|---|---|
| Lead Project Manager | Donna Williams |
| Associate Project Manager | Laura Willingham |
| Contact a Public Affairs Officer | |
Page Last Reviewed/Updated Tuesday, September 08, 2026
Page Last Reviewed/Updated Tuesday, September 08, 2026