Guadalupe County Power Outage History
2014–2025 · Texas
Top 20% most reliable nationally — infrequent, short outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Feb 20, 2017 | 7 hrs | 12,871 (10%) | Thunderstorm Wind |
| Aug 26, 2017 | 33 hrs | 8,326 (6%) | Hurricane Harvey |
| May 31, 2024 | 2 hrs | 7,412 (6%) | Unnamed event |
| Feb 15, 2021 | 81 hrs | 7,291 (6%) | Winter Storm Uri |
| Nov 1, 2015 | 0 hrs | 6,811 (5%) | Drought |
Over the 12 years from 2014 to 2025, Guadalupe County recorded 779 distinct power outage events, averaging 1.7 hours per event.
The single worst outage on record in Guadalupe County started February 20, 2017 (Thunderstorm Wind), lasting 7 hours and leaving up to 12,871 customers without power (10% of the county) at its peak.
May has historically been the worst month for outages in Guadalupe County, with 94 events recorded during that month across the dataset.
Based on this history, Guadalupe County earns a Reliability Grade of A, placing it in the 89th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Guadalupe 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 or the Texas storm prep checklist.
Similar counties in Texas
Counties with the closest reliability grade and national percentile to Guadalupe County.
| County | Grade | National percentile |
|---|---|---|
| Coleman County | A | 90th |
| Fayette County | A | 91st |
| Lubbock County | A | 88th |
| Lamb County | A | 87th |
| King County | A | 87th |
FAQ
How often does power go out in Guadalupe County?
Between 2014 and 2025, Guadalupe County recorded 779 outage events, averaging 1.7 hours each.
What is Guadalupe County's reliability grade?
Guadalupe County has a Reliability Grade of A, in the 89th national percentile.
What was the worst power outage in Guadalupe County?
The worst outage on record started February 20, 2017 (Thunderstorm Wind), lasting 7 hours and affecting up to 12,871 customers.