Tracker · Pre-application
Radiant Industries, INC.
The U.S. Nuclear Regulatory Commission (NRC) is currently engaged in pre-application activities with Radiant Industries, Inc. (Radiant), starting in October 2022. Radiant is an El Segundo, CA company developing its Kaleidos design, a transportable micro-reactor designed to generate 3MWth and approximately 1MWe. The Kaleidos micro-reactor is a high-temperature gas-cooled reactor (HTGR) using TRISO fuel, helium gas coolant, and prismatic graphite blocks. Each micro-reactor will be fully contained in a single shipping container.
- Who
- Not stated
- Design
- high-temperature gas-cooled reactor (HTGR)
- Reactor type
- High Temperature Gas Reactors
- Status
- Active on the NRC index
- What
- Not stated
- When
- Not stated
- Site
- Not stated on the NRC page in this snapshot.
- NRC page reviewed
- Wednesday, October 21, 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
The NRC page in this snapshot does not list a product activity table.
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.