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

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 ...

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

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

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

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

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

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

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

Travelers delayed by Monday's outages crowded train stations on Tuesday trying to go home though schools and offices reopened ...