西葡“黑暗12小时” 电网脆弱性再现

Core Points - A massive power outage occurred in Spain and Portugal on April 28, affecting over 50 million people on the Iberian Peninsula, disrupting key sectors such as transportation, communication, and healthcare [2][3] - The outage was triggered by a sudden loss of 15 GW of power, equivalent to 60% of Spain's electricity demand at that time, leading to significant disruptions in major cities [3][6] - The incident has raised concerns about the vulnerability of the European power grid and the reliability of renewable energy sources, particularly in Spain, which has a high reliance on wind and solar energy [8][9] Group 1: Incident Details - The power outage began at 12:33 PM, with a rapid loss of 15 GW of generation capacity within 5 seconds, an unprecedented event [3] - Major cities like Madrid and Lisbon experienced extensive blackouts, with Madrid's power outage lasting over 6 hours and affecting transportation systems, including rail and air travel [3][4] - The situation led to chaos, with people rushing to supermarkets for supplies and traffic signals failing, causing accidents [4][5] Group 2: Causes and Implications - Initial assessments suggest that extreme temperature fluctuations in Spain may have caused abnormal oscillations in high-voltage lines, contributing to the grid failure [6][8] - Experts indicate that Spain's heavy reliance on renewable energy, combined with limited interconnections with neighboring countries, makes the grid more susceptible to disturbances [7][8] - The incident has sparked debates about the pace of renewable energy transition and the need for investment in grid stability and infrastructure modernization across Europe [9]