Granada, Badajoz, and Seville were the first three Spanish provinces to experience power supply problems, according to Spain’s study into the blackout that struck the Iberian Peninsula in late April, Minister for Ecological Transition Sara Aagesen told the Spanish Congress of Deputies on Wednesday. A series of grid disconnections resulted from the 2.2 gigawatts of electricity lost due to the ground zero substation in Granada. It is yet unknown what caused the substations to fail.
“The ongoing investigation has ruled out several hypotheses, including that the massive outage that started on 28 April was due to coverage, backup, or network size,” Aagesen stated in her remarks during the plenary session.
Aagesen reaffirmed that the administration is taking its investigation seriously. “The Spanish people deserve the government to work rigorously and refrain from speculating. “Truth and rigour,” she clarified.
More than two weeks after the blackout that brought Portugal and Spain to a complete standstill, the results are the first definitive conclusions to be released to the public. Millions of pieces of data are being evaluated, so this is still “an extremely complex investigation,” according to Aagesen. The energy minister also noted that, based on the data at hand, “two oscillations in the Iberian system with the rest of the European continent” were seen 30 minutes before the blackout.
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