MoltexFLEX vs Radiant
MoltexFLEX
Developer of the FLEX reactor: a nuclear reactor that can meet the global demand for clean, low-cost, flexible energy
16 employees · est. 2022 · Warrington, United Kingdom
Radiant is the older company (2022 vs 2020); Radiant is the larger of the two.
Side-by-Side Comparison
| Metric | MoltexFLEX | Radiant |
|---|---|---|
| Founded | ||
| Founded | 2022 | 2020 older |
| Headquarters | ||
| Headquarters | Warrington, United Kingdom | El Segundo, United States |
| Employees | ||
| Employees | 16 | 505 larger |
| Industry | ||
| Industry | Energy, Clean Energy, Energy Storage | Energy, Renewable Energy, Clean Energy |
| Funding Stage | ||
| Funding Stage | Grant | Series D |
| Total Funding | ||
| Total Funding | $1.30M | $620.70M |
| Funding Rounds | ||
| Funding Rounds | 2 | 7 |
| Services | ||
| Services | Not tracked yet | Design and Manufacture of Portable Nuclear Microreactors, Energy and Heat Generation Systems, Microgrid Solutions, Nuclear Reactor Deployment and Maintenance |
| Target Customers | ||
| Target Customers | Not tracked yet | Remote Villages, Military Installations, Hospitals, Data Centers, Commercial Enterprises |
| Taxonomy | ||
| Taxonomy | Nuclear EnergyClean EnergyLow-cost EnergyFlexible EnergyClimate ChangeFission Reaction +7 | Portable Nuclear MicroreactorsClean Energy TechnologyKaleidos ReactorZero-emissions Power SourceFailsafe Nuclear TechnologyMass-produced Reactors +8 |
| Website | ||
| Website | moltexflex.com | radiantnuclear.com |
About MoltexFLEX
MoltexFLEX is a UK-based startup dedicated to developing the FLEX reactor, a nuclear reactor designed to fulfill the global demand for clean, low-cost, and flexible energy. The company's simple yet innovative approach to nuclear reactor design focuses on utilizing the natural properties of materials...
About Radiant
Radiant, a trailblazing energy startup, is committed to Making Nuclear Power Portable. The company is on a mission to revolutionize the energy sector with the development of the world’s first mass-produced portable nuclear microreactors. Founded in 2020 and headquartered in the United States, Radia...
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Compiled from the BounceWatch company index. We last looked at MoltexFLEX on 12 Sep 2024, and Radiant on 30 Apr 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
