Spanish investigators on Tuesday released a report showing that a power surge caused an hours-long blackout on the Iberian ...

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 ...