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 | Under Review ML25251A229 |
| 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, March 24, 2026
Page Last Reviewed/Updated Tuesday, March 24, 2026