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Locations

Los Angeles, CA, USA · El Segundo, CA, USA

industry

Energy · Sustainability

Size

51-200 employees

Stage

Series C+

founded in

2019

Radiant Nuclear is a clean energy startup that specializes in portable nuclear microreactors, specifically the Kaleidos model, which replaces diesel generators. The Kaleidos microreactor is designed to provide resilient backup power for remote villages, hospitals, datacenters, and military installations, operating efficiently without the need for on-site water. With a high energy density and the ability to generate both electricity and thermal power, it enhances existing renewable infrastructure and offers a streamlined deployment process. The product is built for longevity, with a 20-year lifetime and the capability for multiple refuels, positioning Radiant as a leader in the emerging market for clean, portable energy solutions.

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