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The small modular reactor (SMR) is a class of small nuclear fission reactor, designed to be built in a factory, shipped to operational sites for installation and then used to power buildings or other commercial operations. The term SMR refers to the size, capacity and modular construction. Reactor type and the nuclear processes may vary.
The stable salt reactor (SSR) is a nuclear reactor design proposed by Moltex Energy. [118] It represents a breakthrough in molten salt reactor technology, with the potential to make nuclear power safer, cheaper and cleaner. The modular nature of the design, including reactor core and non-nuclear buildings, allows rapid deployment on a large scale.
The Rolls-Royce SMR, also known as the UK SMR, [1] is a small modular reactor (SMR) design being developed by the Rolls-Royce (RR) company in the United Kingdom.. The company has been given financial support by the UK Government to develop its design.
Rolls-Royce has been working on nuclear-microreactor technology for over three years, first collaborating with the UK Space Agency in 2021.
NuScale's SMR designs employ 9 feet (2.7 m) diameter by 65 feet (20 m) high reactor vessels that use conventional cooling methods and run on low enriched uranium fuel assemblies based on existing light water reactor designs. Each module is intended to be kept in an underground pool and is expected to produce about 77 megawatts of electricity.
The annual fee for operating power reactors is more than $5 million, although the NRC has stated this could be less for small reactors like the ones that Last Energy produces.
HALEU is uranium enriched to between 5% and 20%, which backers say has the potential to make new high-tech reactors more efficient. Uranium fuel used in today's reactors is enriched to about 5%.
Russian nuclear microreactor Shelf-M. A nuclear microreactor is a type of nuclear reactor which can be easily assembled and transported by road, rail or air. [1] Microreactors are 100 to 1,000 times smaller than conventional nuclear reactors, and range in capacity from 1 to 20 MWe (megawatts of electricity), compared to 20 to 300 MWe (megawatts of electricity) for small modular reactors (SMRs ...