Six weeks after Spain and Portugal suffered a massive power outage, authorities in Madrid have issued an official report saying the cascading blackout that left tens of millions disconnected in ...

Six weeks after Spain and Portugal suffered a massive power outage, authorities in Madrid issued an official report Tuesday ...

Spain reveals cause of massive blackout that cancelled flights and left 80,000 stranded - Officials have ruled out the ...

Six weeks after Spain and Portugal suffered a massive power outage, authorities in Madrid issued an official report Tuesday, ...

Spain has identified the causes of the historic April 28 electricity outage and signaled that it was due to a lack of ...

Spain's power grid operator REE miscalculated its power capacity needs on the day that a surge in voltage caused a massive ...

The recent power outage that hit southern Europe is a reminder that investing in energy storage is key to future-proofing ...

Critics say renewables can't provide stable power. Supporters say we just need better equipment. Both sides are wrong. We need a radical rethink of how grids work.

Photo: Jim Lo Scalzo/Shutterstock When a grid failure plunged 55 million people in Spain and Portugal ... The massive half-day blackout shows otherwise. The nature of solar and wind generation ...

The recent blackout that plunged millions of Spanish and Portuguese residents into darkness offer a sobering reminder that ...

The Spain-Portugal blackout came as U.S. power regulation ... Windless, scorching summer days — and evenings when solar power disappears — could leave grids alarmingly short of supply.