FINALLY REVEALED WHAT LEFT MILLIONS IN THE DARK! This is the cause of the massive power outage in Spain and Portugal:
The Spanish government is currently analyzing the data and has not provided an official comment on the causes of the problem
A preliminary report by Entso-e identified the loss of 2.2 gigawatts of capacity in southern Spain as the initial cause
A new detailed report has revealed what could have caused the massive power outage in Spain and parts of Portugal in April.
The massive power outage in three European countries, which left millions in the dark, began in Spain and spread to Portugal and parts of France. This was preceded by a power outage in southern Spain.
About 2.2 gigawatts of capacity disappeared from the grid in southern Spain less than a minute before the complete collapse of the power networks on the Iberian Peninsula, according to Entso-e, the umbrella organization of European transmission system operators, in a preliminary report. The Spanish government has not yet commented on the causes of the blackout, stating that it is reviewing data from electricity producers and the grid operator.
The blackout left millions of people without electricity and paralyzed telephone connections, trains, and traffic lights in Spain, Portugal, and parts of southern France last month. Entso-e determined that there were no causal blackouts in Portugal and France.
Timeline of the power outage
According to the analysis by Entso-e, this is a detailed reconstruction of the events on April 28, 2025:
12:32 - A large number of different power outages were registered in southern Spain, with a preliminary estimated total capacity of 2.2 gigawatts
12:33:18 - The frequency of the Iberian Peninsula's power grid continued to decline, reaching 48.0 Hz
12:33:21 - AC overhead lines between France and Spain were disconnected by protective devices against loss of synchronization
12:33:24 - The Iberian power grid completely collapsed, and the HVDC lines between France and Spain stopped transmitting electricity
Cause of the massive power outage revealed?
Following the Entso-e report, RBC Capital Markets stated that solar farms in southern Spain are the most likely culprits for the outage.
- The most likely cause of the blackout was a series of shutdowns of solar installations totaling 2.2 GW in the south or southwest of Spain - RBC analysts said.
In recent years, Spain has seen a huge increase in solar capacity as cheap solar energy has flooded the power grid this year. Often these solar systems follow the grid rather than forming it, which would allow them to stabilize the electricity frequency.
