Spain's government said it had asked private energy companies for "maximum collaboration and transparency" to help identify ...

Spain's grid operator denied on Wednesday dependence on solar power was to blame for the country's worst blackout, while ...

Red Eléctrica, Spain’s electricity grid operator, ruled out a cyberattack, human error or unusual weather. Experts say it ...

This week’s blackout in Spain and Portugal confronted authorities with an unprecedented event: the first mass electrical ...

Spain and Portugal switched their power back on after the worst blackout in their history, though authorities offered little ...

The two countries lost power shortly after 12:30 p.m. local time, with the blackout impacting public transport, airports and ...

The outages occurred just hours before the Iberian Peninsula was hit by power cuts that crippled the countries' ...

The inability of Spain’s electricity grid to manage an unusually high supply of solar power was a key factor in Monday’s catastrophic blackout, former regulators and experts have said.

Spain’s solar-heavy system raises questions about the security of America’s grid. But there is technology to prevent major ...

Experts have previously warned that Europe’s increasing reliance on renewable energy — which fluctuates with the weather — could lead to blackouts and other supply issues. A sudden drop of energy ...

Fierce debate raged in Spain on Wednesday over the role its reliance on renewable energy may have had in this week's blackout ...

Investigations are ongoing into what went wrong with the electricity system, which impacted some 60 million people.