A video captured residents cheer and clap as power was restored to a neighborhood in Madrid following a 9-hour outage in most of Spain and Portugal. "The lights returning in the Pilar neighborhood is celebrated more than a goal from Iniesta,

Monday's unpredecented power outage left much of the Iberian Peninsula in the dark. This is how operators got electricity flowing again on after the blackout. View on euronews

Electricity was back in most of the two countries almost 18 hours after a blackout that shut down much of daily life. The cause of the outage remained unclear.