American Centrifuge Operating, LLC

American Centrifuge Operating, LLC (ACO) is a U.S.-based subsidiary of Centrus Energy Corp. that operates and maintains gas‑centrifuge uranium enrichment facilities and related infrastructure in the domestic nuclear fuel supply chain. The company provides plant operations, engineering, and project integration for centrifuge-based isotopic separation of uranium.

ACO’s activities include the production of low-enriched uranium (LEU) and support for high‑assay low‑enriched uranium (HALEU) capabilities for commercial power reactors and advanced reactor designs. Its scope spans cascade operations, equipment installation and commissioning, quality assurance, nuclear safety and regulatory compliance, and handling of uranium hexafluoride (UF6) feed, product, and tails. By enabling reliable enrichment capacity in the United States, the company contributes to secure supplies of nuclear fuel used to generate carbon‑free electricity.