It is very carefully worded, but variable renewables are holding the smoking gun here. This is why spain now requests a better connection to french nuclear now. This reckless overbuild of variable generation is a valuable negative example, wind and solar without adequate hydro or nuclear is dead
[dead]
It's lack of experience managing variability, not variability itself.
Wind and solar are very far from dead, but they do need some adjustments - as the report makes clear.