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 ...

A government investigation into the massive blackout that struck the Iberian Peninsula in April has determined that a voltage surge in the power grid triggered a chain reaction that led to widespread ...