Advanced Reactors

Radiant Receives DOE Approval For Kaleidos Microreactor Safety Document

By Kamen Kraev
12 February 2026

Company aims to demonstrate full power by July federal deadline

Radiant Receives DOE Approval For Kaleidos Microreactor Safety Document
The Kaleidos microreactor can be delivered in a single standardised shipping container and installed in a day. Courtesy Radiant.
US microreactor developer Radiant Industries announced it has received approval from the US Department of Energy (DOE) for a safety document covering its Kaleidos test reactor, potentially clearing the way for a planned test startup later this year at Idaho National Laboratory (INL).

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