Pueblo County Power Outage History
2015–2025 · Colorado
Top 20% most reliable nationally — infrequent, short outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Dec 15, 2021 | 3 hrs | 17,258 (26%) | High Wind |
| Dec 16, 2021 | 19 hrs | 13,995 (21%) | High Wind |
| Aug 11, 2019 | 8 hrs | 11,807 (18%) | Unnamed event |
| Oct 28, 2022 | 1 hrs | 11,097 (17%) | High Wind |
| Apr 17, 2025 | 2 hrs | 11,006 (16%) | Heavy Snow |
Over the 11 years from 2015 to 2025, Pueblo County recorded 506 distinct power outage events, averaging 1.4 hours per event.
The single worst outage on record in Pueblo County started December 15, 2021 (High Wind), lasting 3 hours and leaving up to 17,258 customers without power (26% of the county) at its peak.
July has historically been the worst month for outages in Pueblo County, with 87 events recorded during that month across the dataset.
Based on this history, Pueblo County earns a Reliability Grade of A, placing it in the 84th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Pueblo County's outage profile
See more picks in our Best Small Power Stations (Under 1,000Wh) roundup.
Outage-prep kit
See our outage-prep guides.
Similar counties in Colorado
Counties with the closest reliability grade and national percentile to Pueblo County.
| County | Grade | National percentile |
|---|---|---|
| Moffat County | A | 84th |
| Eagle County | A | 84th |
| Custer County | A | 84th |
| Delta County | A | 85th |
| Broomfield County | A | 85th |
FAQ
How often does power go out in Pueblo County?
Between 2015 and 2025, Pueblo County recorded 506 outage events, averaging 1.4 hours each.
What is Pueblo County's reliability grade?
Pueblo County has a Reliability Grade of A, in the 84th national percentile.
What was the worst power outage in Pueblo County?
The worst outage on record started December 15, 2021 (High Wind), lasting 3 hours and affecting up to 17,258 customers.