Xcel said more than 195,000 customers were initially impacted by the outage Sunday afternoon.

An Xcel Energy transformer failure disrupted power for 195,000 customers, impacting DIA operations and causing a 911 outage in Aurora.

Eversource said the transformer fire caused an outage impacting 500 customers, but power has since been restored.

A large power outage in the southeast area of the Denver metro on Sunday afternoon left nearly 200,000 people in the dark, affected airport operations, and 911 service in some areas.