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

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 ...

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

The two countries lost power shortly after 12:30 p.m. local time, with the blackout impacting public transport, airports and phone services.

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

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

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

In tightly coupled, highly complex systems such as the European energy grid, the next catastrophe is not caused. It is ...

On Monday morning, millions of people across the Iberian Peninsula lost power. The cause of the outage is yet to be ...

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

Spain’s blackout highlights growing grid risks as renewable energy expands and storage infrastructure lags behind.