Henderson County Power Outage History
2014–2025 · Texas
Worse than average — more frequent or longer 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 |
|---|---|---|---|
| Feb 15, 2021 | 87 hrs | 27,600 (49%) | Winter Storm Uri |
| Aug 18, 2019 | 7 hrs | 14,482 (26%) | Heat |
| May 28, 2024 | 102 hrs | 11,636 (21%) | Hail |
| Jan 31, 2023 | 101 hrs | 11,448 (20%) | Ice Storm |
| Apr 13, 2022 | 42 hrs | 10,121 (18%) | Drought |
Over the 12 years from 2014 to 2025, Henderson County recorded 1,021 distinct power outage events, averaging 2.8 hours per event.
The single worst outage on record in Henderson County started February 15, 2021 (Winter Storm Uri), lasting 87 hours and leaving up to 27,600 customers without power (49% of the county) at its peak.
May has historically been the worst month for outages in Henderson County, with 133 events recorded during that month across the dataset.
Based on this history, Henderson County earns a Reliability Grade of D, placing it in the 28th percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Texas
Counties with the closest reliability grade and national percentile to Henderson County.
| County | Grade | National percentile |
|---|---|---|
| Calhoun County | D | 28th |
| Schleicher County | D | 28th |
| Aransas County | D | 29th |
| Wheeler County | D | 28th |
| Chambers County | D | 29th |
FAQ
How often does power go out in Henderson County?
Between 2014 and 2025, Henderson County recorded 1,021 outage events, averaging 2.8 hours each.
What is Henderson County's reliability grade?
Henderson County has a Reliability Grade of D, in the 28th national percentile.
What was the worst power outage in Henderson County?
The worst outage on record started February 15, 2021 (Winter Storm Uri), lasting 87 hours and affecting up to 27,600 customers.