Overview

• A sudden blackout on April 28 disrupted power across Spain and Portugal, with 15 GW of generation lost in five seconds, representing 60% of demand.
• Investigations are ongoing, with attention focused on two photovoltaic installations in Extremadura, though no definitive cause has been identified yet.
• Authorities have ruled out cyberattacks, and Spain has enlisted both national and EU experts to analyze technical failures in its renewable-heavy grid.
• The incident has reignited political debates in Spain, with opposition parties calling for extended nuclear plant operations, a move resisted by the Sánchez government.
• The blackout has prompted broader discussions on grid resilience, with regions like Saxony in Germany reviewing emergency preparedness and energy stability measures.