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Iberian Peninsula Hit by Massive Power Outage, Highlights Grid Management Needs

The most significant European power grid event in over two decades leaves millions without power. Experts call for robust grid management and international cooperation.

In this image we can see electric poles, electric cables, buildings, chimneys, trees and sky with...
In this image we can see electric poles, electric cables, buildings, chimneys, trees and sky with clouds in the background.

Iberian Peninsula Hit by Massive Power Outage, Highlights Grid Management Needs

A severe power failure struck the Iberian Peninsula on April 28, affecting Spain and Portugal, with a small part of France also experiencing issues. The outage began at 12:32:57 in the Granada region and was described as the most significant event in the European power grid in over two decades.

The incident was preceded by unusual voltage fluctuations. The power plants failed in stages, with the entire system collapsing within minutes. An investigation coordinated by the European Network of Transmission System Operators for Electricity (ENTSO-E) is underway. The preliminary report attributes the outage to an unprecedented overvoltage. Experts note that Germany, being more centrally connected to the European grid, was less affected. A final report detailing the causes and recommended actions is expected in the first quarter of 2026.

The massive power outage on the Iberian Peninsula has highlighted the need for robust grid management and international cooperation. As the investigation continues, stakeholders await the final report to understand the full extent of the incident and implement necessary measures to prevent such occurrences in the future.

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