Pretty messed up : https://jancovici.com/en/energy-transition/societal-choices/...

250 to 300 billion euros, which is more than the cost of rebuilding from scratch all the French nuclear power plants, is what Germany has invested from 1996 to 2014 to increase by 22% the fraction of renewable electricity into the gross production of the country (that went from 4% to 27%).

For this price tag our neighbors did not decrease their energy imports, did not accelerate the decrease of their CO2 emissions per capita, that remain 80% higher to those of a French, increased the stress on the European grid.