I am afraid this thread is going to be heavy on strongly held opinions and very light on facts and figures. In a futile attempt to compensate, here is the history of gross electricity production in Germany [1]. And here is the electricity import/export statistics [2].
[1] https://upload.wikimedia.org/wikipedia/commons/3/3b/Energymi...
[2] https://www.bmwi.de/Redaktion/DE/Infografiken/Energie/stroma...