The problem is its often very cloudy in the winter. In the UK in winter we regularly have periods of 5 cloudy days in a row where solar output is virtually zero.
I don't know what the answer to that is. In a calm cloudy winter week all renewables and battery storage are totally screwed. Space based solar is a scam. Maybe we just have to live with it until fusion works (if it ever does).
(But it's still academic at the moment because we're still far from the point where building more renewables is a bad idea.)
Even from an environmental standpoint, France is doing much better than Germany and that is thanks to nuclear.
Also, by closing operating power plants, Germany weakened European energy production at the time when we geopolitically need it the most.
https://app.electricitymaps.com/map/zone/DE/live/fifteen_min...
Ironically that was France which needed to shut down a lot of its nuclear reactors in 2022 and 2023 due to repairs. So according to your own logic France "weakened European energy production at the time when we geopolitically need it the most."
Here in Switzerland the reason given for the "energy crisis" was also mostly France as Switzerland usually imports a lot of energy from France.
https://www.business-standard.com/immigration/india-post-sus...
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On something like a New York <-> Los Angeles flight I cannot imagine the turboprop beats a 737 in any performance or comfort category.