A worker assists a customer with a torch at a supermarket during a power outage which hit large parts of Spain, in Barcelona, Spain Apr 28, 2025. REUTERS/Nacho DoceA worker assists a customer with a torch at a supermarket during a power outage which hit large parts of Spain, in Barcelona, Spain Apr 28, 2025. The sudden outage had seen the equivalent of 60% of demand in Spain drop in five seconds around midday on Monday. Spain is one of Europe's biggest producers of renewable energy, and the blackout sparked debate about whether the volatility of supply from solar or wind made its power systems more vulnerable. He said demand at the time of the blackout was relatively low and that there was ample supply.
