The sweeping power outage that hit Spain and Portugal this week has raised questions about the electricity grid in a region not normally known for blackouts.

The massive power outage on the Iberian Peninsula has cost at least three lives. The search for the cause of the outage continues.

No electricity, no communication, and in some cases, no running water – that was the situation from around 11:30am yesterday in Portugal and Spain, following a widespread blackout. Many people were unable to work,