Spain and Portugal power cut: Experts rule out cyber-attack

Rare weather conditions also thought unlikely to be behind blackout as 99.95% of Spain’s electricity supply is restored

Passengers wait next to RENFE (National Network of Spanish Railways) ticket machines as they wait to board their trains at Santa Justa railway station in Seville on April 29, 2025, the day after a massive power cut affecting the entire Iberian peninsula and the south of France. Picture: CRISTINA QUICLER/AFP via Getty Images

xperts investigating the largest power cut in recent European history, which plunged cities in Spain and Portugal into darkness on Monday and left tens of thousands of people trapped on trains, have ruled out the possibility of a cyber-attack.

According to Spain’s electricity operator, Red Eléctrica, the blackout was not the result of a targeted attack.