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

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

Portugal is supplying electricity to clients from its own sources as power exchanges with Spain remain suspended amid an ...

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

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 ...

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.

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

Parts of Spain, Portugal and southern France were plunged into darkness on Monday by a massive power outage. The lights are ...