Report: Poor Voltage Control, Lack of Regs Drove Iberian Grid Collapse
A map shows the area affected by the Iberian blackout. | ENTSO-E
Mar 26, 2026
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ENTSO-E's final report on the Iberian Peninsula blackout of April 2025 lays out the root causes and chain of events that led to the collapse of the grid, providing critiques of the numerous points of failure.
