No it does not. The power output can cary massively, especially with multiple reactors, and there are verified designs that are inherently load-following. Y

No it does not. The power output can cary massively, especially with multiple reactors, and there are verified designs that are inherently load-following. You build nuclear capacity to demand, including peaker plants and such, you do not (and in all probability can not), try and store your way through peak demand.