Metropolis Works Uranium Conversion Facility

Companies 2

• Solstice Advanced Materials owns Metropolis Works Uranium Conversion Facility Only US uranium conversion (U3O8 -> UF6) plant. NRC license SUB-526 (DOE EA-2184 FONSI, June 2022: 'License SUB-526 Metropolis Works Uranium Conversion Facility (Massac County, Illinois)'); WNN says the NRC license is valid until 2060. Restarted July 2023 after a 2017 suspension (WNN). Source is ConverDyn's site (a Solstice partnership), so 0.8; Solstice's own investor release returned HTTP 403.

  “Located in Metropolis, Illinois, this cutting-edge plant, owned and operated by Solstice Advanced Materials’ Specialty Materials division, produces a variety of fluorine products, including uranium hexafluoride (UF6) for nuclear fuel.”

  ²converdyn.com · checked 2026-10-10 High confidence Report a correction: Solstice Advanced Materials owns Metropolis Works Uranium Conversion Facility
• Solstice Advanced Materials operates Metropolis Works Uranium Conversion Facility

  “Located in Metropolis, Illinois, this cutting-edge plant, owned and operated by Solstice Advanced Materials’ Specialty Materials division, produces a variety of fluorine products, including uranium hexafluoride (UF6) for nuclear fuel.”

  ²converdyn.com · checked 2026-10-10 High confidence Report a correction: Solstice Advanced Materials operates Metropolis Works Uranium Conversion Facility

Sources 2