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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%.
L.I.S.T is optimized for LEU (Low Enriched Uranium) for existing civilian nuclear power plants, High-Assay LEU (HALEU) for the next generation of Small Modular Reactors (SMR) and Microreactors, the production of stable isotopes for medical and scientific research, and applications in quantum computing manufacturing for semiconductor technologies.
It will use "recycled" high-assay, low-enriched uranium (HALEU) fuel originally fabricated for the Experimental Breeder Reactor II (EBR-II), [1] [2] [3] and if fully operational, would become "the first fuel-recycling commercial reactor in the United States". [4]
Enriched uranium is a type of uranium in which the percent composition of uranium-235 (written 235 U) has been increased through the process of isotope separation.Naturally occurring uranium is composed of three major isotopes: uranium-238 (238 U with 99.2732–99.2752% natural abundance), uranium-235 (235 U, 0.7198–0.7210%), and uranium-234 (234 U, 0.0049–0.0059%).
- Necsa is an RSA state-owned company responsible for undertaking and promoting R&D in the field of nuclear energy. - MOU contemplates collaboration on the research, development and ultimately the commercial production of advanced nuclear fuels, such as High Assay Low Enriched Uranium (HALEU) for Small Modular Reactors.
In June 2021, the U.S. Nuclear Regulatory Commission approved a license amendment request for Centrus to enrich uranium up to a Uranium-235 concentration of 20 percent, making it the first U.S. facility licensed for HALEU production. This is higher than the 5 percent level found in Low-Enriched Uranium that is used in existing light-water reactors.
The Centrus plant in Ohio is the only facility in the U.S. licensed to enrich uranium up to 19.75%, the upper threshold for the coveted high-assay, low-enriched uranium.
Bethesda, Maryland-based Centrus Energy Corp. will be producing the high-assay, low-enriched uranium at the American Centrifuge Plant in Piketon, about 68 miles (109 kilometers) south of Columbus.