Power outages in Littleton, CO
Live outages for Littleton and the surrounding area, updated every 10 minutes. Littleton has 46,246 residents.
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No live outage data for Littleton yet.
Outage map
LittletonArapahoe County
Outage history in Arapahoe County, which includes Littleton
2014–2025 recordArapahoe County averaged 22 significant outages a year in 2023–2025, about typical for Colorado counties.
In the 12 months to December 2025, there were 14. Half were over within 60 minutes; the longest lasted 5.5 hours, starting May 26, 2025.
The largest on record began October 30, 2017, with 53,378 customers out at once.
22significant outages a year (2023–2025)
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At least 1% of the area's customers, and at least 100, without power at the same time. Outages less than 6 hours apart count as one.1 hourtypical (median) length
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Half of significant outages here ended sooner than this, and half lasted longer.2.1 dayslongest on record (March 2019)
53,378most customers out at once
| Largest events (start) | Peak out | LastediHow long this area stayed at or above the significant-outage line, not how long any one home was without power. | Customer-hoursiCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours. |
|---|---|---|---|
| October 30, 2017 | 53,378 | 45 minutes | 28,383 |
| July 11, 2023 | 27,946 | 7.5 hours | 17,479 |
| September 13, 2016 | 24,676 | 45 minutes | 18,507 |
| February 8, 2018 | 24,149 | 45 minutes | 13,493 |
| May 26, 2025 | 22,489 | 5.5 hours | 37,586 |
Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).i
From EAGLE-I, Oak Ridge National Laboratory's record of utility outage data every 15 minutes since 2014 (CC BY 4.0). It covered about 9 in 10 U.S. customers.