DENVER — An Xcel Energy transformer failure left roughly 195,000 Xcel and CORE electric customers without power Sunday afternoon, causing widespread disruptions, including a 24-minute 911 outage in Aurora and brief power interruptions at Denver International Airport.
The specific details about the cause remain unclear.
“A disruption on the transmission system impacted multiple substations, therefore impacting feeders and customers on Xcel and CORE distribution systems,” Xcel said in a statement on Monday.
DIA impact
DIA is powered by two Xcel substations. According to Xcel both substations remained energized because multiple transmission feeds serve the substations…