Overview
- A widespread blackout began at 12:30 local time on April 28, affecting Spain, Portugal, and briefly parts of south-west France and Andorra.
- Key public services, including railways, traffic signals, and urban transit systems, were severely disrupted, causing widespread chaos in major cities like Madrid and Lisbon.
- Grid operators Red Eléctrica and REN have restored power to several northern, southern, and western regions, meeting over 20% of demand, with full restoration expected within hours.
- Authorities, including national cybersecurity agencies and the EU, are investigating the cause; no evidence of a cyberattack has been found so far.
- Cross-border energy interconnections allowed France to supply emergency power, highlighting the reliance on regional energy cooperation during crises.