TerraPower Natrium Reactor Accepted into UK Regulatory Process
Analysis based on 7 articles · First reported Feb 19, 2026 · Last updated Feb 19, 2026
The acceptance of TerraPower's Natrium reactor into the UK's regulatory process is a positive development for the nuclear energy sector, signaling potential for advanced reactor deployment and increased energy security. This could lead to increased investment in nuclear technology and related industries, benefiting companies like TerraPower, GE Vernova, and Hitachi.
TerraPower's Natrium reactor has been accepted into the United Kingdom's Generic Design Assessment (GDA) process, marking the company's first international regulatory filing for this advanced nuclear technology. Chris Levesque, TerraPower President and CEO, expressed pleasure regarding the acceptance, highlighting the company's technical rigor and regulatory experience. The Natrium technology features a 345 MWe sodium-cooled fast reactor with a molten salt-based energy storage system, capable of boosting output to 500 MWe. This project is being developed in the United States through a public-private partnership with the United States===United States Department of Energy, with construction on non-nuclear portions having begun in June 2024. The GDA process involves collaboration with the United Kingdom===Department for Energy Security and Net Zero, United Kingdom===Office for Nuclear Regulation, and United Kingdom===Environment Agency in the United Kingdom, aiming to advance efforts to bring a Natrium reactor to the United Kingdom.
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