An abrupt loss of power generation at a substation in Granada triggered the recent unprecedented blackout across Spain and Portugal, Spanish authorities have revealed. On 28 April a major incident saw millions of households and businesses across Spain, Portugal and southern France lose power in what was the largest power cut in Europe’s recent history.
A sudden loss of 2.2GW of electricity in southern Spain triggered a series of grid disconnections.
The blackouts lasted approximately 10 hours, causing significant disruptions in most areas of the Iberian Peninsula.
Spanish authorities have now pointed to a specific origin of the blackout.
Sara Aagesen, Spain’s third vice-president of the government and minister of ecological transition and demographic challenge, told Reuters that following the analysis of “millions of pieces of data” the blackout has been traced to an abrupt loss of power generation at a substation in Granada, followed by failures seconds later in Badajoz and Seville.
While...