Tom Green 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 | 98 hrs | 28,680 (35%) | Winter Storm Uri |
| May 18, 2019 | 25 hrs | 28,115 (35%) | Tornado |
| May 5, 2025 | 4 hrs | 23,588 (29%) | Drought |
| Aug 15, 2021 | 9 hrs | 21,676 (27%) | Flash Flood |
| Aug 22, 2020 | 40 hrs | 20,760 (26%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Tom Green County recorded 628 distinct power outage events, averaging 2.0 hours per event.
The single worst outage on record in Tom Green County started February 14, 2021 (Winter Storm Uri), lasting 98 hours and leaving up to 28,680 customers without power (35% of the county) at its peak.
May has historically been the worst month for outages in Tom Green County, with 79 events recorded during that month across the dataset.
Based on this history, Tom Green County earns a Reliability Grade of C, placing it in the 56th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Tom Green County's outage profile
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Similar counties in Texas
Counties with the closest reliability grade and national percentile to Tom Green County.
| County | Grade | National percentile |
|---|---|---|
| Floyd County | C | 56th |
| Garza County | C | 56th |
| Brown County | C | 56th |
| Hunt County | C | 57th |
| Runnels County | C | 57th |
FAQ
How often does power go out in Tom Green County?
Between 2014 and 2025, Tom Green County recorded 628 outage events, averaging 2.0 hours each.
What is Tom Green County's reliability grade?
Tom Green County has a Reliability Grade of C, in the 56th national percentile.
What was the worst power outage in Tom Green County?
The worst outage on record started February 14, 2021 (Winter Storm Uri), lasting 98 hours and affecting up to 28,680 customers.