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

Electricity is pulsing through Spain and Portugal again after a massive outage knocked out power in both countries on Monday. So too are questions.

BARCELONA, Spain (AP) — A major power outage has been reported in Spain and Portugal, including their capitals. Spanish generator RedElectrica says the Iberian peninsula was affected. It says the incident is being assessed and responded to.