You've got French nuclear reactor positions and major winds wrong, they are evenly localised depending on major rivers and near the sea [1], and the winds are way more complex than you suggest [2], this is not the jet stream. Also deep geological buring is a solved issue. Also germany is making France with the pollution from coal [3].

[1] https://www.irsn.fr/FR/connaissances/Installations_nucleaire...

[2] https://p4.storage.canalblog.com/42/20/127041/23073496.jpg

[3] https://www.youtube.com/watch?v=dZB0KuGdvjg