Expansion of the United States' only commercial uranium enrichment facility reaches 75% completion, as Urenco's New Mexico plant accelerates capacity upgrades

As the only commercial uranium enrichment facility on U.S. soil, the National Enrichment Facility in Eunice, New Mexico, has recently reached a key expansion milestone, with its phased capacity expansion target now 75% complete. Operator Urenco Group plans to raise the plant's uranium enrichment capacity to 7 million Separative Work Units (SWU) per year over the next decade, in order to strengthen the United States' domestic nuclear fuel supply security.

Strong global demand for zero-carbon electricity is currently driving a revival of the nuclear energy industry. Although the United States is at the forefront of research and development in next-generation reactor technologies and is itself the world's largest consumer of commercial enriched uranium, its domestic nuclear fuel supply system has an obvious supply chain shortfall. Major nuclear power units have long relied heavily on imported international nuclear materials, and only Urenco's single commercial centrifuge enrichment facility is operating across the entire United States.

Natural uranium is mainly composed of two isotopes, uranium-238 (U-238) and uranium-235 (U-235). Uranium-238, with a natural abundance of 99.3%, is stable, while the fissile isotope uranium-235 used for nuclear fission power generation has a natural abundance of only about 0.7%. In commercial applications, mined uranium ore is first refined into uranate concentrate, mainly triuranium octoxide (U3O8), known as yellowcake, and is then converted into highly volatile uranium hexafluoride (UF6) gas and injected into a network of gas centrifuge cascades rotating at tens of thousands of revolutions per minute, where the slight mass difference between the two isotopes is used to gradually enrich it to the 3.5% to 5% standard for power reactor fuel.

At present, the actual annual capacity of Urenco's Eunice plant is about 4.3 million SWU, enough to meet roughly one-third of the annual fuel demand of U.S. nuclear power units. Facing future large-scale nuclear power expansion and the demand for fuel self-reliance and controllability, Urenco launched a medium-term capacity expansion project, planning to add 700,000 SWU of annual separative capacity to the plant between 2025 and 2027 by building eight additional centrifuge cascade units.

With the sixth centrifuge cascade unit now formally entering the installation stage, the expansion project has achieved three-quarters of its engineering target. According to the established engineering schedule, the seventh cascade unit is planned to be in place before the end of this year, while the eighth and final cascade unit is scheduled to complete installation and commissioning in 2027.

Jody Blackshear, General Manager of Urenco USA, said in an official statement that the engineering team is currently advancing construction of the new capacity on schedule and under budget, and is committed to providing stable fuel support for the nuclear power industries of the United States and its allies; the construction and commissioning experience gained from this project will lay a solid foundation for the company's broader expansion plan to increase total capacity by more than 50% in the future, fully meeting the market demand of both traditional large water reactors and new advanced reactors.