Medina County Power Outage History
2014–2025 · Texas
Bottom 20% least reliable nationally — frequent and/or long outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Feb 14, 2021 | 88 hrs | 20,977 (73%) | Winter Storm Uri |
| Apr 29, 2021 | 89 hrs | 9,388 (33%) | Drought |
| May 25, 2020 | 23 hrs | 5,765 (20%) | Thunderstorm Wind |
| Sep 19, 2021 | 5 hrs | 5,755 (20%) | Unnamed event |
| Jun 16, 2025 | 1 hrs | 4,944 (17%) | Drought |
Over the 12 years from 2014 to 2025, Medina County recorded 1,207 distinct power outage events, averaging 1.9 hours per event.
The single worst outage on record in Medina County started February 14, 2021 (Winter Storm Uri), lasting 88 hours and leaving up to 20,977 customers without power (73% of the county) at its peak.
May has historically been the worst month for outages in Medina County, with 134 events recorded during that month across the dataset.
Based on this history, Medina County earns a Reliability Grade of F, placing it in the 18th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Medina County's outage profile
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Similar counties in Texas
Counties with the closest reliability grade and national percentile to Medina County.
| County | Grade | National percentile |
|---|---|---|
| Mason County | F | 18th |
| Roberts County | F | 18th |
| Zapata County | F | 18th |
| Reagan County | F | 18th |
| Duval County | F | 17th |
FAQ
How often does power go out in Medina County?
Between 2014 and 2025, Medina County recorded 1,207 outage events, averaging 1.9 hours each.
What is Medina County's reliability grade?
Medina County has a Reliability Grade of F, in the 18th national percentile.
What was the worst power outage in Medina County?
The worst outage on record started February 14, 2021 (Winter Storm Uri), lasting 88 hours and affecting up to 20,977 customers.