| 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).
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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 | ML26176A334 |
| Resubmittal of the Hadron Energy, Inc. Quality Assurance Program Description (Topical Report), Revision 1 | Topical Report | Rev 1: ML25287A168 | ML26191A224 |
| Fourth Amended Hadron Energy Microreactor Pre-Application Regulatory Engagement Plan for Standardized Microreactor Design, as of August 28, 2026 (Docket No. 99902144) (ML26240A305) | Regulatory Engagement Plan |
Rev 4: ML26240A305 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 |
Contacts
| Contacts for Hadron Energy, Inc., Pre-Application Review | |
|---|---|
| Lead Project Manager | Marieliz Johnson 301-415-5861 |
| Contact a Public Affairs Officer | |