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

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

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.