Cause of major power outage in parts and of Spain and Portugal still unknown

While local power cuts are fairly common, what's happened across the Iberian Peninsula is something far more extreme. Much of Spain and Portugal's electricity transmission system collapsed in seconds, including in major cities Lisbon, Madrid, Barcelona and Seville. The cause of the outage is unclear. Portugal's grid operator has blamed a "rare atmospheric phenomenon" that caused "anomalous oscillations" in high voltage power lines in Spain. Read more: https://news.sky.com/story/how-electricity-grids-fail-and-why-restoring-spain-and-portugals-power-will-be-a-nightmare-13357727 #skynews #spain #madrid #power #electricity #poweroutages #europe SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews Follow us on Twitter: https://twitter.com/skynews Like us on Facebook: https://www.facebook.com/skynews Follow us on Instagram: https://www.instagram.com/skynews Follow us on TikTok: https://www.tiktok.com/@skynews For more content go to http://news.sky.com and download our apps: Apple https://itunes.apple.com/gb/app/sky-news/id316391924?mt=8 Android https://play.google.com/store/apps/details?id=com.bskyb.skynews.android&hl=en_GB Sky News Daily podcast is available for free here: https://podfollow.com/skynewsdaily/ Sky News videos are now available in Spanish here/Los video de Sky News están disponibles en español aquí: https://www.youtube.com/channel/UCzG5BnqHO8oNlrPDW9CYJog To enquire about licensing Sky News content, you can find more information here: https://news.sky.com/info/library-sales