古巴一周内第二次全国停电

Core Viewpoint - Cuba experienced a nationwide blackout on March 21, occurring less than a week after a similar event on March 16, highlighting ongoing issues with the country's power supply system [1][3]. Group 1: Blackout Details - The Cuban Electric Union reported that the national power system completely shut down at 18:38 local time on March 21, later updating the time to 18:32 [3]. - The Ministry of Energy and Mines announced that restoration efforts had begun but did not provide a reason for the blackout [3]. Group 2: Underlying Issues - Cuba has faced long-standing challenges in importing fuel and necessary equipment for maintaining aging power plants due to U.S. sanctions, leading to a tight national power supply [3]. - Since October 2024, Cuba has experienced multiple nationwide blackouts due to power facility failures and hurricanes [3].