The cause of the outage is under urgent investigation. The Spanish grid operator Red Electrica has ruled out the possibility of a cyber - attack, but the Spanish National High Court has announced an investigation into the incident. Despite Red Electrica's statement, Spanish Prime Minister Pedro Sánchez said that it doesn't mean a cyber - attack didn't happen. Red Electrica claims that two power supply interruptions in south - western Spain, possibly due to problems at solar power plants, led to the instability of the power system. Eventually, the interconnection with the French grid was cut off, causing the entire power system to collapse and affecting Spain and Portugal. At the time of the outage, Spain was exporting electricity to France and Portugal, and the export volume to France had nearly reached its maximum capacity until 10 a.m. local time.
The European Union will launch a comprehensive investigation into the blackout in Spain and Portugal next Monday. Given the interconnection of the Spanish grid with those of France, Portugal, Morocco, and Andorra, the impact of this incident is far - reaching. The outage has not only exposed the vulnerability of the power system in these countries but also raised questions about the reliability of renewable energy. As the investigation progresses, the world awaits the final results to understand the true cause of this major power outage and to see what measures will be taken to prevent similar incidents from happening again.
