Thousands of people were without power through Denver and Aurora Tuesday night - with the bulk of the outages concentrated along Colfax Avenue.

At one point about 30,000 people were without power along one of Denver and Aurora's main thoroughfares, with another couple thousand without power near the Town Center At Aurora. The Xcel Energy outage map on their website showed that power had been restored by early Wednesday.

Tuesday night, Michelle Oguayo with Xcel Energy media relations said there was a problem at one of their substations at the Harrison substation on 14th and Jackson.and that crews were assessing the problem.

The outage affected people in Denver's Cap Hill, Cheesman Park, Mayfair, Congress Park, Park Hill, Cherry Creek and Montclair neighborhoods, as well as Aurora.

AAA Colorado Spokesperson Skyler McKinley has some reminders about what to do and things to have in a power outage.

  • Keep an analog thermometer in your fridge, and if temperature goes below 40 degrees, throw food away.
  • Emergency kit should include a crank radio, flashlight, and non-perishable food
  • Check batteries for carbon monoxide and smoke detectors
  • Unplug appliances in case of a power surge
  • Blow out candles before going to bed
  • Do not use gas stove for heat