Czech Republic also has a pumped-storage plant in Dlouhé stráně[0]. It's also in a protected landscape and in my opinion looks amazing [1], especially when you descend from Praděd. It's one of the only large scale industrial projects in Czech Republic that is on a world-class level.

[0]https://en.wikipedia.org/wiki/Dlouh%C3%A9_str%C3%A1n%C4%9B_H...

[1]http://turystyka.studentnews.pl/img/wo/3/58/Elektrownia-wodn...