Denton County Power Outage History
2014–2025 · Texas
Average — typical outage frequency and duration nationally. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Feb 14, 2021 | 97 hrs | 125,245 (37%) | Winter Storm Uri |
| Mar 4, 2025 | 39 hrs | 62,663 (19%) | High Wind |
| May 28, 2024 | 110 hrs | 62,169 (19%) | Hail |
| Jun 9, 2019 | 49 hrs | 33,492 (10%) | Thunderstorm Wind |
| Mar 3, 2023 | 19 hrs | 21,845 (7%) | Hail |
Over the 12 years from 2014 to 2025, Denton County recorded 1,680 distinct power outage events, averaging 2.2 hours per event.
The single worst outage on record in Denton County started February 14, 2021 (Winter Storm Uri), lasting 97 hours and leaving up to 125,245 customers without power (37% of the county) at its peak.
June has historically been the worst month for outages in Denton County, with 184 events recorded during that month across the dataset.
Based on this history, Denton County earns a Reliability Grade of C, placing it in the 57th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Denton County's outage profile
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Similar counties in Texas
Counties with the closest reliability grade and national percentile to Denton County.
| County | Grade | National percentile |
|---|---|---|
| Collin County | C | 57th |
| Young County | C | 58th |
| Webb County | C | 57th |
| Runnels County | C | 57th |
| Hunt County | C | 57th |
FAQ
How often does power go out in Denton County?
Between 2014 and 2025, Denton County recorded 1,680 outage events, averaging 2.2 hours each.
What is Denton County's reliability grade?
Denton County has a Reliability Grade of C, in the 57th national percentile.
What was the worst power outage in Denton County?
The worst outage on record started February 14, 2021 (Winter Storm Uri), lasting 97 hours and affecting up to 125,245 customers.