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Eastmain-1-A powerhouse is being built at the northern end of Eastmain 1 reservoir, next to the existing Eastmain-1 powerhouse. The turbines at both facilities will be driven by the flow from the upper Rivière Eastmain, combined with the diverted flow from the Rivière Rupert.
|Number and type of generating units||3 vertical-axis Francis turbines|
|Rated design flow||1,344 m3/s|
|Rated capacity||768 MW|
|Additional output||2.3 TWh/yr|
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