[jfim]

> Alberta doesn't lack for hills, which is what's needed to build pumped storage which is what's cheapest for seasonal storage.

From what I understand, BC has a lot of hydro dams. I wonder if there is a way to use them for pumped storage.

[SketchySeaBeast]

They do use them as storage, but more passively - When others sources of production are high BC slows their consumption, allowing them to build up greater reserves in their dams.