Tracker · Pre-application
Hadron Energy, Inc.
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.
- Who
- Hadron Energy, Inc.
- Design
- Not stated
- Reactor type
- Light Water Reactors
- Status
- Active on the NRC index
- What
- Pre-Application activities associated with a standard design approval application, and manufacturing and fuel loading license application.
- When
- May 2025 to Present
- Site
- Not stated on the NRC page in this snapshot.
- NRC page reviewed
- Friday, October 02, 2026
Dockets
Status timeline
Dates are printed as the NRC page prints them, including the actual (A) or target (T) mark.
The NRC page in this snapshot does not list a milestone table.
NRC activity table
| 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 | 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 | ML26240A305 | No Review Requested |
| Hadron Energy, Letter of Intent to Begin Pre-application Processes with the NRC | Letter of intent | ML25098A192 | No Review Requested |
Related Federal Register notices
Included when a notice shares a docket printed on the NRC page, or when the notice title repeats the project or design name. Other NRC notices are left out.
No in-scope Federal Register notice is linked to this project.