MADRID (AP) — The cause of Spain and Portugal’s widespread blackouts remained a mystery on Tuesday, with some isolated disruption remaining after power was largely restored to both countries.

Monday's unpredecented power outage left much of the Iberian Peninsula in the dark. We take a look at what operators did to ...

The blackout that engulfed the Iberian Peninsula on Monday was chaotic and stressful for many. But it had a silver lining: ...