The country’s top officials were trying to determine the cause of an outage that left tens of millions of people across the Iberian Peninsula without power.

On 28 April 2025, an unprecedented collapse of the Iberian Peninsula's electricity grid brought Spain and Portugal to a standstill. The likelihood of this ever happening was extremely low and—speculation about its causes aside—the episode has caused serious social disruption,

The massive power outage on the Iberian Peninsula has cost at least three lives. The search for the cause of the outage continues.