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ARC-100

Rendering of ARC-100 Reactor


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

ProductTypeReferenceStatus
ARC Clean Energy LLC Submittal of the revised ARC-100 Regulatory Engagement Plan (July 2026)Regulatory Engagement PlanML26225A376No review requested
Regulatory Treatment of Non-Safety Systems (RTNSS)White PaperNon-public proprietaryML23265A170
Spent Fuel Storage Inside the Reactor VesselWhite PaperML23189A001ML24012A213
Fuel Qualification ProgramWhite PaperML23321A225ML24219A399
Alternative Shutdown SystemsWhite PaperML25030A122ML25342A024
Quality Assurance Program Plan (QAPP)Topical ReportML26019A055Under review
Alternative Shutdown Systems - AddendumWhite PaperML26050A413ML26224A371

Contacts

Contacts for the ARC Clean Technology Pre-Application Review
Lead Project ManagerStephanie Devlin-Gill
Contact a Public Affairs Officer

Page Last Reviewed/Updated Tuesday, September 08, 2026

Page Last Reviewed/Updated Tuesday, September 08, 2026