Gates-backed TerraPower aims to start UK reactor by 2034

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TerraPower, the U.S. nuclear development company backed by Bill Gates, expects its Natrium reactor to begin generating electricity in the UK by 2034, according to CEO Chris Levesque in an interview with Reuters. The UK will be the company's first market outside the U.S. The UK is promoting the development of small modular reactors (SMRs) to bolster energy security and meet climate goals, and earlier this year launched a framework to support privately funded projects. Levesque said that given the progress of the company's first Natrium reactor, which is due for completion in 2031, "there is a good chance" of achieving nuclear power generation with Natrium in the UK by 2034. The technology has cleared regulatory requirements in the U.S., and the first unit is under construction in Wyoming. In the UK, it is currently undergoing a review under a process known as the Generic Design Assessment (GDA). The sodium-cooled reactor generates 345 megawatts of baseload power per unit and has a storage capability that can boost output to 500 megawatts for more than five hours. It uses high-assay low-enriched uranium (HALEU) as fuel. Until now, this fuel could only be sourced commercially from Russia, but the U.S. and UK are now building manufacturing facilities. TerraPower has not yet chosen a site for its first UK project, but it says its UK subsidiary is likely to be based in Liverpool, northwest England, close to the country's nuclear regulator. In the U.S., the company has a contract with Meta Platforms to develop up to eight reactors. Levesque said the company may seek similar partnerships in the UK.

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TerraPower targets UK Natrium generation by 2034, advancing through the UK's Generic Design Assessment and benefiting from a new framework supporting privately funded SMR projects.

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