R
Radiant Industries
Developing portable zero-emission small nuclear microreactors to provide resilient clean power for remote and critical sites
About Radiant Industries
Radiant Nuclear is an innovative startup focused on revolutionizing the nuclear energy sector by developing compact, efficient nuclear microreactors. The company aims to provide a reliable and sustainable energy solution, particularly for remote locations and military applications. Radiant's primary clients include government agencies, such as the Department of Defense, and industries that require a stable and portable power source.
Read full description
Operating in the advanced nuclear energy market, Radiant leverages cutting-edge technology and expertise from veterans of SpaceX and other high-tech industries. The company's flagship product, the Kaleidos microreactor, is designed to be a compact and efficient power generation system that uses a CO2 cycle for energy production. This innovative approach allows for a smaller, more portable reactor that can be deployed in various challenging environments.
Radiant's business model revolves around research and development, followed by the commercialization of its microreactor technology. The company generates revenue through government contracts, such as the $3.8 million award from the Department of Defense's Operational Energy Capability Improvement Fund. This funding supports the development and testing of their turbomachinery and power generation systems. Additionally, Radiant seeks partnerships with private sector companies and investors to further accelerate its growth and market penetration.
In summary, Radiant Nuclear is at the forefront of transforming the nuclear energy industry with its innovative microreactor technology, targeting government and industrial clients in need of reliable, portable power solutions.
At a glance
- Founded
- 2019
- Headquarters
- El Segundo, United States
- Sector
- Defence
- Power Law
- Unicorn$1–10B valuation tier
Research & analysis
Latest news
Press, funding announcements and product moves mentioning Radiant Industries.
Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Seed5 investors entered at this stage
Tom McInerney
Charlie Songhurst
Josh Manchester
Hank Vigil
US Department of War
Series A2 investors entered at this stage
Series B and later22 investors entered at this stage
Andreessen Horowitz
Cantos Ventures
McKinley Capital Partners
Boost VC
Decisive Point
Draper Associates
Founders Fund
Felicis
Chevron Technology Ventures
Washington Harbour Partners
StepStone Group
Align Ventures
HartBeat Ventures- SCSGA Capital
ARK Invest
Giant Ventures
Crossbeam Venture Partners
Gigascale Capital
Pax Ventures
Lockheed Martin Ventures
Friends & Family Capital
In-Q-Tel
Source: Dealroom Talent Intelligence.
Global footprint
team presence
across markets
Market sentiment
An AI-synthesised read of the highest-engagement posts about Radiant Industries on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
See Radiant Industries on the full Dealroom platform
Live deal flow, founder pedigree, hiring signals, revenue trajectory, and the full cap table.



