Northern B.C. aluminum smelter completes 16km hydroelectric tunnel

Rio Tinto has commissioned a second tunnel carrying water to its hydroelectric generating station at Kemano, approximately 75 kilometres southeast of Kitimat.

“The completion of a second tunnel to supply water to the Kemano hydropower facility will ensure the long-term, sustainable production of low-carbon aluminium at our smelter in Kitimat,” Rio Tinto BC Works director of energy and watershed partnerships Andrew Czornohalan said in a statement. “This extraordinary construction feat is the result of the work of generations of workers over three decades.

A single, 16-km tunnel carried the water to the Kemano powerhouse from 1954 to this year. Alcan began planning for a second tunnel in 1987. Completing the tunnel took 30 months using a 1,300 tonne tunnel boring machine. Rio Tinto estimates the project contributed $850 million to the B.C. economy and employed approximately 340 people at the peak of construction.

Wasn't there a fight about this years ago. once they use the water it is gone to the ocean. No elevation left so can't be used again.

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