The country’s top officials were trying to determine the cause of an outage that left tens of millions of people across the ...

Red Eléctrica, Spain’s electricity grid operator, ruled out a cyberattack, human error or unusual weather. Experts say it ...

One of Europe’s most severe blackouts grounded flights, paralyzed metro systems, disrupted mobile communications and shut ...

Solar energy was powering the grid in Spain and Portugal on Monday—until it wasn’t, leaving tens of millions without ...

The outages occurred just hours before the Iberian Peninsula was hit by power cuts that crippled the countries' ...

Power has now been fully restored in Spain and Portugal, as officials continue to investigate what caused the outage.

Monday’s widespread power outage across Spain and Portugal left inaccessible and citizens stranded in stalled metros, trapped ...

Spain's investigation into the power outage that blacked out the entire Iberian Peninsula this week continued Thursday as top ...

The Iberian Peninsula’s widespread blackout raises questions about the resilience of the electric power infrastructure in the ...

An unprecedented blackout brought much of Spain and Portugal to a standstill Monday, stranding thousands of train passengers ...