Could it have been foul play?
The European Council president, António Costa, who was Portugal’s prime minister from 2015 to 2024, said “there is no evidence that it was a cyber-attack”, but cautioned that the ultimate cause was still unclear. Senior European Commission vice-president Teresa Ribera also told Spain’s Radio 5 that there was no evidence of a deliberate act having caused the outage.
However, Spain’s national security council was convened on Monday to assess the outage. Portugal’s prime minister said it was too early to say for sure what caused the blackout.
Spain and Portugal power outage: what caused it, and was there a cyber-attack?
Several countries in Europe have been scrambling to restore electricity after a huge power cut caused blackouts
By Jasper Jolly, The Guardian - April 29, 2025
https://www.theguardian.com/business/2025/apr/28/spain-and-portugal-power-outage-cause-cyber-attack-electricity
What could have caused the major power outage in Spain and Portugal? Experts weigh in
By Anna Desmarais, Euronews - April 28, 2025
https://www.euronews.com/next/2025/04/28/what-could-have-caused-the-major-power-outage-in-spain-and-portugal-experts-weigh-in