> And during cloudy days in winter, solar produces 10%-15% what it produces during summer. This doesn't matter. If you look at the monthly stats, solar panels

> And during cloudy days in winter, solar produces 10%-15% what it produces during summer. This doesn't matter. If you look at the monthly stats, solar panels in France produce ~3x more in the summer than the winter at a month by month view. As such, you only need 3x extra overall, and some day to day storage.