As clean energy scales up, experts say outdated grids and poor planning are turning local outages into global wake-up calls.

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

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

Spanish power utility Endesa reported on Tuesday a 30% rise in first-half net profit to 1.04 billion euros ($1.20 billion), ...

Grid failures like the one experienced in Spain and Portugal are dangerous—and they’re not an isolated glitch. Such events ...

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 ...

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 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.

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.