Also, dams are expensive. You're looking at $2B per project, at least here, and you need to flood an immense amount of land.
Really, we should get over our paranoia and lift the artificial hurdles on nuclear so the plants can be built faster and cheaper. Or, at least in the states, bite the bullet and leverage your extensive gas fields to develop a solar industry [1]
[0] https://www.electricityforum.com/news/canada-energy-shortage
[1] https://doomberg.substack.com/p/a-serious-proposal-on-us-ene...