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What Caused the European Power Outage?
There’s still no official explanation for the blackout in Spain, Portugal, and parts of southern France—but experts point to the makeup of the Iberian peninsula’s power grid.
Red Eléctrica, the public company in charge of operating Spain’s transmission infrastructure, has preliminarily ruled out a cyberattack, human error, or unusual weather or atmospheric conditions as a cause of the outage. De Simón Martín points out that, unlike thermal or hydroelectric power plants, wind and solar systems lack mechanical inertia, as they are connected to the grid not via synchronous generators but by electronic inverters. In press conference held on Tuesday, Pedro Sánchez, the Spanish prime minister, denied that high use of solar and wind or poor links with the European power grid were the main causes of the outage, but also said that no hypotheses as to what happened could be ruled out.
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