As clean energy scales up, experts say outdated grids and poor planning are turning local outages into global wake-up calls.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

The Portuguese government plans to invest up to 400 million euros ($466 million) to improve grid management and boost battery ...

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.

More than 60 percent of Spain’s national electricity supply had been restored by the end of Monday, the REE power operator said. Lights came on again in Madrid and in Portugal’s capital.

Spain had recovered nearly 50% of its power by 11 p.m., and the prime minister pledged that the entire country of 48 million would have lights back on by the end of Tuesday.

Spain's government said Tuesday that the massive April power outage across Spain and Portugal that left tens of millions of people disconnected in seconds was caused by technical and planning ...

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

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

A sudden blackout across Spain and Portugal earlier this month left 50 million people without electricity. While the cause of the outage is unclear, a leading culprit appears to be poorly ...

MADRID (AP) — Spain’s government said Tuesday that the massive April power outage across Spain and Portugal that left tens of millions of people disconnected in seconds was caused by technical ...