Six weeks after Spain and Portugal suffered a massive power outage, authorities in Madrid issued an official report Tuesday, ...

Despite initial speculation, authorities found renewable energy had nothing to do with the massive power failure.

In April, a massive blackout paralyzed Spain and Portugal for hours. A new report has revealed the cause.

Spanish authorities have issued a report saying that the massive power outage in Spain and Portugal in April was due to technical and planning errors that led to a cascade of failures in the grid ...