Energiewende didnt start in 1973, it was first authorized in late 2010.
France's nuclear program was also very, very expensive: https://www.i-sis.org.uk/The_True_Costs_of_French_Nuclear_Po...
France's nuclear program was also very, very expensive: https://www.i-sis.org.uk/The_True_Costs_of_French_Nuclear_Po...
For people interested about a real inquiry discussing the price of the french nuclear program [1] which is actually exhaustive and well documented.
[1]: https://www.ccomptes.fr/sites/default/files/EzPublish/themat...
Skimming your source, I would not trust it very much.
They imported and still import just as much oil as anyone else.