Portuguese authorities have announced measures to strengthen the country's electricity system after the April 28 blackout ...

As clean energy scales up, experts say outdated grids and poor planning are turning local outages into global wake-up calls.

Spain's second-largest oil refiner Moeve, formerly known as Cepsa, said on Monday the massive power blackout that hit Spain ...

Spain-Portugal blackouts latest: Head of Spain’s power grid refuses to resign as officials hunt for cause - Power has been restored to tens of millions but the cause of the power cut remains unknown ...

Spain lost 15 gigawatts of electricity — or about 60% of its supply. Portugal, whose grid is connected to Spain’s, also went down. Only the countries’ island territories were spared.

The cause of the blackout remains a mystery At a press conference on Monday evening, Spanish Prime Minister Pedro Sánchez said a nationwide blackout of this scale had never happened before in Spain.

Spain and Portugal begin recovering from a massive blackout. Here's what to know Spanish prime minister Pedro Sánchez said a nationwide blackout of this scale had never happened before in Spain.

The cause of the blackout remains a mystery At a press conference on Monday evening, Spanish Prime Minister Pedro Sánchez said a nationwide blackout of this scale had never happened before in Spain.