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

Electricity is pulsing through Spain and Portugal again after a massive outage knocked out power for the entire ...

Spanish grid operator Red Electrica said there was a "strong oscillation in the power flow, which triggered 'a very ...

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

A power outage shut down parts of three countries for most of the workday. Society didn’t break down, but it did inspire my ...

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

Even as electricity was restored across Spain and Portugal after a daylong blackout, residents tried to make sense of 18 ...

Travelers delayed by Monday's outages crowded train stations on Tuesday trying to go home though schools and offices reopened ...

Spain and Portugal switched their power back on after the worst blackout in their history, though authorities offered little ...

A widespread blackout across Spain and Portugal upended the lives of millions of people across the Iberian Peninsula.