It's right there in the article, but it seems many here commenting did not even read it:
Many US nuclear plants are incapable of cycling power output up or down without changes to procedures or equipment.
Many US nuclear plants are incapable of cycling power output up or down without changes to procedures or equipment.
If you compare France and Germany gas portion of the overall electricity production is quite similar (it's a bit tricky to compare, Germany produced 12% and France 7% but in different years, France gas accounts to 10% of their installed capacity)