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Xcel identifies cause of Denver airport power outage that trapped passengers, disrupted hundreds of flights
Xcel Energy has identified a single malfunctioning piece of new equipment as the cause of a sweeping power outage at Denver International Airport on March 18, which stranded passengers and delayed nearly 500 flights. The outage occurred when crews were energizing a new transformer. The airport plans to upgrade its communications infrastructure and improve emergency bus deployment, while Xcel will invest nearly $118 million over five years to support DIA’s energy demands.