The massive power outage that swept across Spain and the larger Iberian Peninsula in late April was caused by multiple technical and planning failures, according to a report released on Tuesday.

A major power outage that paralysed 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 have issued an official report saying the cascading blackout that left tens of millions disconnected in ...