Refining: Blind River

Cameco's Blind River Refinery
  • Cameco's Blind River Refinery, opened in 1983, is the world’s largest commercial uranium refinery.
  • The end product is uranium trioxide (UO3) powder which is transported to Cameco's Port Hope Conversion Facility. 
  • Cameco operates the ISO 14001 certified facility located in Ontario, Canada. 

Operation

(As of December 31, 2025)
Infographic - 100% Cameco Ownership
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Licensing and Capacity

(As of December 31, 2025)
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licensed capacity 24 million kgU of U03 graphic

 

Environment & Safety

Worker safety, environmental monitoring and proper decommissioning after project completion are of the utmost importance to Cameco.

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semi hauling equipment

UO3 from Blind River is sent on for further conversion and processing at Cameco’s Port Hope facility in Ontario.

employee doing water sampling

Routine water sampling is part of a rigorous environmental monitoring program in place at each operation.

The Blind River refinery

The Blind River refinery is the world's largest with a capacity of 18 million KgU.

forklift moving U03

The Blind River refinery is the world's largest with a capacity of 18 million KgU.

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