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ARC-100

Project Overview
The U.S. Nuclear Regulatory Commission (NRC) is currently engaged in pre-application activities interactions with ARC Clean Technology (ARC) for the ARC-100 Sodium-Cooled Fast Reactor.
For more information, please see the ARC-100 pre-application documents (NRC Project 99902103).
To subscribe to the ARC-100 email service, select ARC Clean Technology ARC-100 from the Advanced Reactors list after entering your email into the GovDelivery system.
Pre-Application Activities
| Product | Type | Reference | Status |
|---|---|---|---|
| ARC Clean Energy LLC Submittal of the revised ARC-100 Regulatory Engagement Plan (July 2026) | Regulatory Engagement Plan | ML26225A376 | No review requested |
| Regulatory Treatment of Non-Safety Systems (RTNSS) | White Paper | Non-public proprietary | ML23265A170 |
| Spent Fuel Storage Inside the Reactor Vessel | White Paper | ML23189A001 | ML24012A213 |
| Fuel Qualification Program | White Paper | ML23321A225 | ML24219A399 |
| Alternative Shutdown Systems | White Paper | ML25030A122 | ML25342A024 |
| Quality Assurance Program Plan (QAPP) | Topical Report | ML26019A055 | Under review |
| Alternative Shutdown Systems - Addendum | White Paper | ML26050A413 | ML26224A371 |
Contacts
| Contacts for the ARC Clean Technology Pre-Application Review | |
|---|---|
| Lead Project Manager | Stephanie Devlin-Gill |
| Contact a Public Affairs Officer | |
Page Last Reviewed/Updated Tuesday, September 08, 2026
Page Last Reviewed/Updated Tuesday, September 08, 2026