if you consider physical exchange directly between France and Germany, on the average, France massively exports to Germany.
but most of the electricity shared between Germany and France goes through Swiss. Swiss has dams to store energy. Germany has many surplus of production with renewables. Swiss is used for transit. As a result, Germany is a net exportator of electricity to France.
I have found this nice article (in French) :
https://fr.linkedin.com/pulse/exportations-délectricité-françaises-en-allemagne-finir-steven-lorant
It’s … more complex than one picture.
The average idea is that :