An abrupt and widespread blackout, one of Europe's worst in living memory, affected the entire Iberian Peninsula on April 28.

Whatever the root cause, one thing’s crystal clear: major blackouts don’t just switch off the lights; they send shockwaves ...

Portuguese grid operator REN will allow utilities to resume imports of electricity from Spain, but the transmission capacity ...

In Portugal, wholesale electricity prices soared nearly 5X higher than those in Spain after Portugal stopped imports from its ...

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

Spain and Portugal switched their power back on after the worst blackout in their history, though authorities offered little ...

Even as electricity was restored across Spain and Portugal after a daylong blackout, residents tried to make sense of 18 ...

The countries’ top officials were trying to determine the cause of an outage that left tens of millions of people across the ...

One of Europe’s most severe blackouts grounded flights, paralyzed metro systems, disrupted mobile communications and shut ...

Play was halted at the Madrid Open tennis tournament, while the Spanish capital's metro system ground to a stop.