The development of the Odin nuclear microreactor prototype marks a significant step in the UK’s pursuit of clean, reliable power solutions for remote and energy-intensive locations. Cambridge Atomworks has entered a formal agreement with Chiltern Vital Group to establish a research and development facility at the Berkeley Green Science and Technology Park in Gloucestershire, England. The prototype aims to be operational by 2030, supporting regulatory approval efforts through rigorous testing.
Odin is a compact, low-pressure fission reactor using molten salt cooling and solid fuel. Its integrated systems allow for efficient power generation without dependence on external electricity grids or large water bodies, relying instead on air cooling as its ultimate heat sink. This design also enables natural circulation to safely remove heat under emergency scenarios, making the reactor “walk-away safe.” This capability makes Odin particularly suited for remote sites requiring uninterrupted, low-carbon electricity.
Berkeley Green, located on land previously belonging to the Berkeley nuclear power station, is set to become a center for nuclear and clean energy innovation. Chiltern Vital Berkeley acquired the site in 2024 and plans to turn the 600,000 square feet space into a hub for advanced energy research, manufacturing, and training. This initiative aims to generate up to 1,000 jobs, supporting activities from physics and thermal hydraulics research to operator education.
Chiltern Vital Berkeley is finalizing talks with several nuclear and energy technology firms interested in setting up operations within the park, signaling growing momentum around Berkeley Green’s role in the broader Severn Edge Nuclear Supercluster. Both partners envision the facility as a global node for zero-carbon energy solutions, blending research with workforce development.
The Odin prototype will generate critical data on reactor physics and thermal behavior vital to certification processes and future deployments. Its ability to function independently of traditional cooling water sources and its inherent safety features highlight emerging trends in microreactor technology designed to extend nuclear energy’s reach beyond conventional power plants.

