@kravietz
such calculation often omit the externalized costs of nuclear energy. A study by the French government concluded that a Fukushima style disaster would cost them €430bn, which is more than plant operators and insurance companies can pay, meaning the state will have to cover it.
https://fr.reuters.com/article/topNews/idFRPAE91601Q20130207
The ecological/social/health impacts of uranium mining and the somewhat unsolved problem of waste disposal have to be considered as well.
http://www.afrol.com/articles/36725
Except that there is no nuclear power plant in France or anywhere in Europe built in seismic zone with potential for a 14 m high tsunami tide, which makes likelihood of such disaster zero.