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

A widespread power outage hit Spain and Portugal, affecting millions of people who live across Europe's Iberian Peninsula.

MADRID/LISBON (Reuters) -A huge power outage brought parts of Spain and Portugal to a standstill on Monday, grounding planes, halting public transport, causing panic buying and leaving the two countries scrambling to restore power to millions of homes and businesses.