French existing nuclear paid for completely opaquely to support the military nuclear program.
Now input Flamanville 3 costs for your buildout.
https://en.wikipedia.org/wiki/Flamanville_Nuclear_Power_Plan...
Now input Flamanville 3 costs for your buildout.
https://en.wikipedia.org/wiki/Flamanville_Nuclear_Power_Plan...
And yet even with that you're getting 400 billion kWh over its 40 year lifespan for €13 billion construction costs (multiply by 1.5 for lifetime costs), for electricity production price of €0.05 per kWh. Which is honestly decent.
Btw: did you actually do the calculation before posting?
Do you even listen to yourself?