Spain and Portugal power outage: what caused it, and was there a cyber-attack?
Briefly

On Monday, Spain, Portugal, and parts of south-west France experienced a massive power outage impacting cities such as Madrid and Lisbon. The outage, dubbed 'el cero', occurred due to a rare atmospheric phenomenon that induced extreme temperature variations, leading to synchronization failures in the electrical systems. The Spanish electricity operator, Red Electrica de Espana, confirmed the outage began at 11:33 am CEST. Recovery efforts were initiated gradually to avoid grid overload. Both energy utilities Endesa and Iberdrola collaborated with REE to restore power, while the Portuguese prime minister pointed to Spain as the origin of the issue.
The outage, referred to as el cero, affected major cities like Madrid and Lisbon, causing chaos for millions and prompting immediate government intervention.
A rare atmospheric phenomenon created severe temperature imbalances leading to widespread shutdowns, as registered by REN's analysis of oscillations in high voltage lines.
Read at www.theguardian.com
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