Power returned to Spain early Tuesday after a serious blackout disrupted flights, metros, and communications throughout Spain and Portugal. Authorities mentioned over 99 % of power demand was restored, however the reason for the outage stays unclear.
https://www.france24.com/en/europe/20250429-power-restored-spain-after-massive-blackout-leaves-millions-stranded
Power restored in Spain after large blackout leaves hundreds of thousands stranded | EUROtoday
