Kaleidos
Project Overview
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.
For more information, please see the Radiant pre-application documents (NRC Docket 99902106).
To subscribe to the Radiant Kaleidos email service, select Radiant Kaleidos from the Advanced Reactors list after entering your email into the GovDelivery system.
Pre-Application Activities
Product |
Type |
Reference |
Status |
Radiant Kaleidos Micro-reactor Pre-application Regulatory Engagement Plan – October 2023 |
Regulatory Engagement Plan |
ML23286A328 |
No review requested |
10 CFR 70 Gap Analysis |
White Paper |
ML24115A321 |
Review Complete
ML24262A066 |
10 CFR Part 50 and 52 Gap Analysis |
White Paper |
ML24250A206 |
Under Review |