A major blackout disrupted power supplies across Spain, Portugal and parts of southern France on Monday morning (28), leaving millions of people without power. According to local media, the outage occurred around 12:00 pm local time (7:00 am in Brasília). The causes of the incident are still being investigated by authorities in the three countries.
In a statement on the social network “X”, the Spanish Electricity Network (equivalent to the Spanish ONS) stated that “power supply restoration plans have been activated in collaboration with companies in the sector following the outage on the peninsula”. The causes are being analyzed, and all resources are being dedicated to solving the problem.”
Data from the Power Grid indicates that, at the time of the incident, Spain's electrical load dropped abruptly from around 27 GW to almost 12 GW. Power began to be restored from 13 pm and could take between 6 and 10 hours for full recovery.

According to the newspaper El País, the outage affected local infrastructure, including communication networks, roads, train stations, airports, businesses and buildings. However, hospitals remain operational thanks to the use of generators.
The European Commission said it was in contact with Spanish and Portuguese authorities to investigate both the causes and impacts of the blackout.
Faced with the situation, Madrid activated its municipal emergency plan, prioritizing the rescue of people trapped in elevators and the subway. The Spanish police were also mobilized to help organize traffic.
Portugal's Deputy Minister for Territorial Cohesion, Manuel Castro Almeida, admits that the power outage could be due to a cyber attack, published the newspaper Correio da Manhã.
In Portugal, supermarkets have closed their doors for safety reasons. In France, network operator RTE said there was a brief outage but power has now been restored.
The article is being updated.
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