Iberian Power Outage: Mobile Data Reveals Resilience

A major power outage hit the Iberian Peninsula on April 28, 2025. Analysis of mPulse data reveals the impact on Spain and Portugal's internet traffic. Desktop traffic plummeted by 80% during the outage, while mobile traffic only dropped by 40%, even surpassing desktop traffic at times. People relied heavily on mobile networks (cellular and some hotspots), prioritizing news, government, and food safety websites. Battery data showed slightly increased phone battery drain. The event highlights the role of mobile networks and edge nodes in keeping critical information services available during power disruptions.