Most nuclear plants operate at lower steam temperatures than coal, because thermal efficiency isn't so critical and lower temperatures are less wear on the pipe

Most nuclear plants operate at lower steam temperatures than coal, because thermal efficiency isn't so critical and lower temperatures are less wear on the pipes and turbines. WRT cost: Nuclear plants could be cheaper. Because, for instance, coal plants require scrubbers to meet particulate emissions rules, which are very expensive to install and operate. And coal is expensive: mining, transporation, cleaning.