The blackout had "multiple" causes, Ecological Transition Minister Sara Aagesen told reporters, adding the system "lacked ...

A major power outage that paralyzed the Iberian Peninsula in April was caused by "overvoltage" on the grid that triggered "a chain reaction," according to a government report released Tuesday.

Spanish government on Tuesday said the huge power blackout that paralyzed the Iberian Peninsula in April was caused by ...