> Also, recognize that lots of grid load is more flexible than you think. Running smelters and foundries preferentially in the summer is a very doable thing.
It's doable, but it requires that production capacity has been overbuilt and turns all the roles at the foundry into seasonal work.
Heavy industry is extremely seasonal already, though. And in fact highly variable in a bunch of other ways. Existing facilities are already only sporadically used, no one runs metal casting 24:7.
It's doable, but it requires that production capacity has been overbuilt and turns all the roles at the foundry into seasonal work.