In an exciting development for both the energy and nuclear industries, Radiant Industries Inc., a California-based startup, is preparing to test its groundbreaking 1-megawatt Kaleidos microreactor in 2026, according toInteresting Engineering. The reactor is poised to play a major role in revolutionizing how we think about power generation in remote, off-grid locations. This major step forward follows a significant financial boost, with Radiant raising $165 million in Series C funding, bringing its total capital raised to $225 million. At first glance, the idea of a portable nuclear reactor might seem like science fiction. But Kaleidos, designed for modularity and rapid deployment, offers a new and practical solution to power delivery in regions where traditional energy infrastructure is scarce or non-existent. Powered by a helium gas-cooling design, this microreactor eliminates the need for water-based cooling systems, which not only improves its reliability in challenging environments but also simplifies its logistics. It’s precisely this combination of innovative design and adaptability that has drawn the attention of investors and government bodies alike. The Kaleidos reactor’s versatility is particularly noteworthy. It’s not just another piece of cutting-edge technology; it’s built with a clear purpose in mind—providing consistent and reliable power where it’s needed most. Whether it’s deployed in a remote settlement, a military forward operating base, or a disaster-stricken region, the microreactor promises to fill the energy gap where conventional methods can’t reach.

Full report : U.S. Startup Unveils World’s First Mass-Produced Nuclear Reactor, Set to Transform Power Delivery in Remote Areas.

For more see the OODA Company Profile on Radiant Industries.