As clean energy scales up, experts say outdated grids and poor planning are turning local outages into global wake-up calls.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

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

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.

Madrid and Lisbon, the respective capitals of Spain and Portugal, were hit by the power outage. A small portion of southwestern France was additionally affected.

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 ...

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.