Spain / Portugal - it was definitely the "green", i.e. wind & solar energy
Spain blackout: All fingers point to a spike of solar power in the grid. Red Eléctrica warned about the risks associated with renewable energy back in February.
The usual idiots who worry about "the climate" (which is 100% fine) just don't get it...
I posted this just hours before the blackout:
https://www.minds.com/newsfeed/1763517587603333120