Weld County Power Outage History
2014–2025 · Colorado
Better than average — fewer or shorter outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Mar 23, 2016 | 50 hrs | 39,618 (29%) | Winter Storm |
| Mar 14, 2021 | 58 hrs | 31,733 (23%) | Winter Storm |
| Feb 15, 2019 | 1 hrs | 22,527 (16%) | Unnamed event |
| Aug 18, 2023 | 2 hrs | 18,854 (14%) | Unnamed event |
| Jul 29, 2023 | 3 hrs | 17,817 (13%) | Unnamed event |
Over the 12 years from 2014 to 2025, Weld County recorded 1,604 distinct power outage events, averaging 2.0 hours per event.
The single worst outage on record in Weld County started March 23, 2016 (Winter Storm), lasting 50 hours and leaving up to 39,618 customers without power (29% of the county) at its peak.
June has historically been the worst month for outages in Weld County, with 222 events recorded during that month across the dataset.
Based on this history, Weld County earns a Reliability Grade of B, placing it in the 61st percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Weld 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 Weld County.
| County | Grade | National percentile |
|---|---|---|
| Lake County | B | 62nd |
| La Plata County | B | 66th |
| Lincoln County | B | 66th |
| Elbert County | B | 68th |
| Gilpin County | C | 55th |
FAQ
How often does power go out in Weld County?
Between 2014 and 2025, Weld County recorded 1,604 outage events, averaging 2.0 hours each.
What is Weld County's reliability grade?
Weld County has a Reliability Grade of B, in the 61st national percentile.
What was the worst power outage in Weld County?
The worst outage on record started March 23, 2016 (Winter Storm), lasting 50 hours and affecting up to 39,618 customers.