As clean energy scales up, experts say outdated grids and poor planning are turning local outages into global wake-up calls.

Spain's nationwide power outages in April probably cost oil producer Repsol (OTCQX:REPYF) (OTCQX:REPYY) ~€170M ($200M) in ...

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

The unprecedented collapse of Spain's power grid left more than 50 million people without electricity for several hours ...

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 ...

Later, REE said it observed a “significant” disturbance on a power line in Badajoz and reduced the electricity exchange with Portugal. At 12:16 p.m., the oscillation recurred, it said.

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.

A high-voltage power line that snapped at the start of a major power outage in the Czech Republic on Friday was not over-burdened at the time, grid operator CEPS said on Thursday, adding it was still ...