Cameco (TSX: CCO; NYSE: CCJ) announced Wednesday its Cigar Lake uranium mine in northern Saskatchewan has resumed production activities following a temporary suspension due to challenges at the McClean Lake mill, where the ore is processed.
Canada’s biggest uranium producer had suspended operations at Cigar Lake July 1, citing disruptions at McClean Lake.
The mill, which is operated by France’s Orano, had encountered operational challenges with its sulfuric acid plant that caused it to shut down in order to repair the issue.
McClean Lake has now resumed operations, Cameco said Wednesday, adding that Cigar Lake has begun shipping stockpiled ore to the mill and has restarted production at the mine.
“Our 2026 production outlook range for Cigar Lake has not been impacted by the temporary suspension of production and remains between 17.5 million and 18.0 million lb. of U3O8 (100% basis),” Cameco said.

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