Blackout in all of Iberia. No Iberian was injured it happened during siesta.
https://www.thelocal.es/20250428/in-pictures-nationwide-blackout-causes-chaos-in-spain
Some photos, but how do you photo the lack of electricity in the wires?

https://www.thelocal.es/20250428/breaking-nationwide-blackout-hits-spain
Shit happened monday at 12:30 local time. Took about 10 hours to restore the juice in every region.
Apparently part of France was also affected.

https://www.thelocal.es/20250429/power-returns-to-parts-of-spain-grid-operator
>Sanchez said about 15 gigawatts of electricity, more than half of the power being consumed at the time, "suddenly disappeared" in about five seconds.

https://www.thelocal.es/20250428/spain-nuclear-plants-in-safe-shutdown-mode-after-blackout
>The shutdown of the country's nuclear plants was "in line with their design" when confronted with an unexpected power outage, the Spanish Nuclear Safety Council (CSN) said in a statement.
Not sure what is the reasoning behind that. How the lack of electricity can damage NPPs? Does the system make them suddenly produce more electricity if the load is not balanced? It would be cool if there was an explanation.

I'm checking El Pais, but I've see no articles there either that would explain the cause.
I think this is the latest: