From the CBC article:

“Just put this in context. Tripling the current generation capacity of Churchill Falls to that 14,000 megawatts of renewable power — that’s more than the entire generating capacity of B.C. Hydro, it’s more than double the output of Bruce Power, the largest nuclear plant on this continent,” said Carney.

Here’s the Federal Government’s News Release :

Prime Minister Carney announces the largest clean energy investment in North American history

Hydro Electricity and Wind Generated Electricity are a great combination:

https://en.wikipedia.org/wiki/Pumped-storage_hydroelectricity