Technically, sure. Economically, since most of the cost of nuclear power is the capital cost of building the plants, you want to be running them as close to 100

Technically, sure. Economically, since most of the cost of nuclear power is the capital cost of building the plants, you want to be running them as close to 100% capacity as you can, all the time. If you can smelt some aluminum while you're at it, that really helps.