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 ...

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

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 ...

Power is almost fully restored in Spain and Portugal, although many questions remained about what caused one of Europe’s most ...

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 ...

Portugal's government said on Tuesday all 6.4 million electricity clients had power supplies normalised after Monday's ...