The Spanish Government’s investigation into the major power outage on 28 April has found no evidence of a cyberattack on the country’s electricity network operator.
Minister for Ecological Transition, Sara Aagesen, announced in Parliament that there were no signs of a cyberattack, describing this as "very good news" after an exhaustive examination of all related data.
Previously, the Director of Operations at Red Eléctrica de España (REE), Eduardo Prieto, had also ruled out the possibility of a cyberattack, stating that no intrusions had been detected in the company’s control systems.
However, Prime Minister Pedro Sánchez had urged caution, indicating that "no hypothesis" was being dismissed at the time.
During her address, Aagesen detailed the unprecedented events leading to the widespread outage that left the entire Iberian Peninsula without power for hours.
The minister explained that the commission she leads, which includes Spain’s electricity companies and experts, noted two major oscillations in the electrical system 30 minutes before the outage.
Following these oscillations, three separate incidents occurred within 20 seconds. These incidents collectively caused a loss of more than 2.2 gigawatts of electricity, resulting in the “automatic disconnection” of the peninsula, according to Aagesen.
Aagesen further stated that the link between the two prior oscillations and the power outage is still under investigation.
