What was the European grid mix in 1990? What were German energy imports/exports in that time frame? I would hazard to guess that the larger context of energy has changed quite a bit in the EU in the last few decades.

Germany coal is not estimated to be eliminated for another 5-6 years:

* https://www.cleanenergywire.org/news/germanys-coal-exit-quie...

How many gigawatts of coal generation could have been shutdown already if nuclear was still generating its gigawatts?