It's not a question of either using coal or nuclear power in Germany. The idea is to phase out coal power production by 2038 and replaced them by building 40 green hydrogen plants in order to be climate neutral by 2045 with renewables, which already are 52% of the German mix and the before mentioned green hydrogen plants.

Here's a Google translation of a source about the energy transition in Germany:

https://de-m-wikipedia-org.translate.goog/wiki/Energiewende?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-US&_x_tr_pto=wapp