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Hadron Energy, Inc.

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Who:   Hadron Energy, Inc.
What:   Pre-Application activities associated with a standard design approval application, and manufacturing and fuel loading license application.
When:   May 2025 to Present
Website:   https://www.hadronenergy.com/

Project Overview

The U.S. Nuclear Regulatory Commission (NRC) is currently engaged in pre-application activities with Hadron Energy, Inc. regarding a future Manufacturing License (ML) and Combined Operating License Application (COLA) for the Hadron Micro Modular Reactor (MMR).The Hadron MMR is a standardized, factory-built light-water cooled and moderated microreactor, which produces 10 MWe of electrical power and 35 MWth of thermal power. The reactor core utilizes a standardized lattice and is powered by Low-Enriched Uranium (LEU+) fuel, supporting a 10-year refueling cycle. 

For more information, please see the Hadron Energy pre-application documents (NRC Docket 99902144).

To subscribe to the Hadron Energy email service, select Hadron Energy from the New Reactors list after entering your email into the GovDelivery system.

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Pre-Application Activities

Product Type Reference Status
Hadron Energy, Inc., White Paper on Principal Design Criteria for the Hadron Modular Microreactor (MMR) White Paper ML26100A252 Under Review
Resubmittal of the Hadron Energy, Inc. Quality Assurance Program Description (Topical Report), Revision 1 Topical Report Rev 1: ML25287A168 Under Review
Third Amended Hadron Energy Microreactor Pre-Application Regulatory Engagement Plan for Standardized Microreactor Design Regulatory Engagement Plan

Rev 3: ML26028A415

Rev 2: ML25212A013

Rev 1: ML25129A055

No Review Requested
Hadron Energy, Letter of Intent to Begin Pre-application Processes with the NRC Letter of intent ML25098A192 No Review Requested

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Contacts

Contacts for Hadron Energy, Inc., Pre-Application Review
Lead Project Manager Marieliz Johnson
301-415-5861
Contact a Public Affairs Officer  

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Page Last Reviewed/Updated Wednesday, April 15, 2026

Page Last Reviewed/Updated Wednesday, April 15, 2026