Core Viewpoint - The Spanish grid operator has ruled out the possibility of a cyberattack causing the recent large-scale power outage, and authorities are working to restore transportation networks and infrastructure [1] Group 1: Incident Overview - A significant power outage affected most regions of Spain and Portugal, leading to paralysis in transportation and communication systems [1] - Despite the outages, both countries have reported a complete restoration of power supply, although cities like Madrid and Barcelona still experienced widespread outages [1] Group 2: Investigation Findings - Eduardo Prieto, the director of Red elsamicica (RE), stated that after consultations with Spanish intelligence, no evidence of a cyberattack aimed at disrupting the network was found, although these findings are preliminary [1] - The possibility of weather phenomena causing the outages has also been ruled out by the operator [1]

Core Insights - The sudden drop in solar power generation is likely the cause of large-scale power outages in Spain [1] Group 1 - The director of the national grid operating service in Spain, Prieto, has ruled out large-scale outages being caused by cyberattacks, human error, or abnormal weather conditions [1] - The current information suggests that the decline in solar energy production is a significant factor contributing to the outages [1]