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

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' ...

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 ...

Life in Spain and Portugal began to return to normal Tuesday, a day after a massive power outage paralyzed the Iberian ...

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

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

As factories, stores and hotels across Spain and Portugal gradually returned to normal on Tuesday after a huge blackout the ...

Befuddled passers-by holding torches and mobile phones squinted through pitch-black streets early on Tuesday and stranded ...

However diversified Spain's energy mix is, the blackout required an enormous effort to get back up and running.