In April, a massive blackout paralyzed Spain and Portugal for hours. A new government report has revealed the cause.

In April, a massive blackout paralyzed Spain and Portugal for hours. A new report has revealed the cause. Spanish ...

Spain’s government said Tuesday that the massive April power outage across Spain and Portugal that left tens of millions of ...

A major power outage that paralyzed the Iberian Peninsula in April was caused by "overvoltage" on the grid that triggered "a ...

Six weeks after Spain and Portugal suffered a massive power outage, authorities in Madrid issued an official report Tuesday, ...

The blackout had "multiple" causes, Ecological Transition Minister Sara Aagesen told reporters, adding the system "lacked sufficient voltage control capacity" that day.