Spain's prime minister said a special commission will track down the cause of a massive power outage and all "necessary measures will be taken" to stop it from recurring.

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,

MADRID (AP) — The cause of Spain and Portugal’s widespread blackouts remained a mystery on Tuesday, with some isolated disruption remaining after power was largely restored to both countries.