Italy’s 2003 blackout, caused by a tree hitting a line, highlights grid fragility and informs current power concerns.
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On September 28, 2003, Italy experienced its largest blackout, affecting 56 million people. The cause was traced to a tree falling onto high-voltage lines between Switzerland and Italy during a storm, leading to an overload on interconnected lines and a domino effect shutdown. This event highlighted the fragility of modern, highly interconnected electrical grids. In contrast, recent power outages in Spain have also prompted official advisories for citizens. Experts note that such incidents underscore the critical dependence of modern life on electricity and emphasize the need for grid improvements, as seen by Italy’s subsequent investments after 2003.
