So for 155 million euros, power is provided for 1600 homes...
That is a TERRIBLE investment...
No, it is not.
It is an investment to store power that otherwise would go to waste.
As I pointed out several times now, pumped storages as we have it right now is not even used to store excess energy, it is used to balance the grid.
155M is peanuts. No idea where you live ... but if your numbers are right it is about 100,000 per home. No idea why you call that "TERRIBLE expensive", seems you are not used to large scale infra structure projects.
Facepalm. For 155M you can not even make a railway ... well just a few feet.
The railway for the ICE from Wuerzburg to Hannover, about 280km, costed 6billion (not million, for clarification) Euros.
A house like yours would cost in Europe 2 - 6 millions. So the plant you complain about costs like 20 to 75 times as much as your house costs?
And you call that expensive? And it is not the plant providing the power for the houses, it is a "load balancing plant" as mainly all pumped storages in central Europe are.
The owner makes a million in earnings every day!
A plant like that is amortized in a year, max 10 years.
Your country must be really weird if you have such a strange relation to "money is everything".