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Miscalculation by Spanish power grid operator REE contributed to massive blackout, report finds

  • Spain's power grid operator REE miscalculated its power capacity needs, leading to a massive blackout in April, according to a government investigation.
  • Energy Minister Sara Aagesen stated that insufficient thermal power stations were active during peak hours on April 28, causing the outage.
  • The blackout caused significant disruptions, including gridlock in cities and thousands stranded on trains and in elevators.
  • The investigation found that power plants failed to regulate the grid's voltage prior to the blackout and noted no evidence of a cyberattack.
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A scheduling problem at Red Eléctrica de España (REE) and a sudden power surge that was not properly managed caused the largest power outage in Spanish history. The outage was not linked to a cyber attack or foreign interference.

·Netherlands
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The power failure at the end of April in Spain and Portugal is also due to a misassessment by the network operator.

·Zürich, Switzerland
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  • 55% of the sources are Center
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Portfolio.hu broke the news in on Tuesday, June 17, 2025.
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