Waller 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 |
|---|---|---|---|
| Jun 22, 2023 | 93 hrs | 14,388 (73%) | Excessive Heat |
| Sep 15, 2023 | 6 hrs | 11,865 (60%) | Drought |
| Jun 8, 2023 | 48 hrs | 11,336 (58%) | Unnamed event |
| Aug 2, 2023 | 0 hrs | 10,204 (52%) | Unnamed event |
| Aug 24, 2023 | 24 hrs | 9,948 (51%) | Excessive Heat |
Over the 12 years from 2014 to 2025, Waller County recorded 3,477 distinct power outage events, averaging 2.2 hours per event.
The single worst outage on record in Waller County started June 22, 2023 (Excessive Heat), lasting 93 hours and leaving up to 14,388 customers without power (73% of the county) at its peak.
April has historically been the worst month for outages in Waller County, with 350 events recorded during that month across the dataset.
Based on this history, Waller County earns a Reliability Grade of F, placing it in the 12th 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 Waller County.
| County | Grade | National percentile |
|---|---|---|
| Morris County | F | 12th |
| Camp County | F | 12th |
| Liberty County | F | 12th |
| Falls County | F | 12th |
| Harris County | F | 12th |
FAQ
How often does power go out in Waller County?
Between 2014 and 2025, Waller County recorded 3,477 outage events, averaging 2.2 hours each.
What is Waller County's reliability grade?
Waller County has a Reliability Grade of F, in the 12th national percentile.
What was the worst power outage in Waller County?
The worst outage on record started June 22, 2023 (Excessive Heat), lasting 93 hours and affecting up to 14,388 customers.