Sterling CountyPower Outage History
2015–2025 · Texas
Bottom 20% least reliable nationally — frequent and/or long outages. This county ranks in the least reliable fifth of all US counties in our dataset: some combination of frequent outages, long restoration times, or customers affected puts it near the bottom nationally. Backup power is worth prioritizing here rather than treating it as optional.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Apr 24, 2022 | 1 hrs | 1,607 (84%) | Drought |
| Sep 12, 2023 | 6 hrs | 971 (51%) | Drought |
| Feb 15, 2021 | 37 hrs | 967 (51%) | Winter Storm Uri |
| May 5, 2025 | <1 hr | 924 (49%) | Drought |
| Oct 6, 2021 | 3 hrs | 870 (46%) | Unnamed event |
Over the 11 years from 2015 to 2025, Sterling County recorded 433 distinct power outage events, averaging 4.8 hours per event.
The single worst outage on record in Sterling County started April 24, 2022 (Drought), lasting 1 hours and leaving up to 1,607 customers without power (84% of the county) at its peak.
May has historically been the worst month for outages in Sterling County, with 59 events recorded during that month across the dataset.
Based on this history, Sterling County earns a Reliability Grade of F, placing it in the 19th percentile nationally for grid reliability (higher percentile = more reliable).
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Read our mission →Similar counties in Texas
Counties with the closest reliability grade and national percentile to Sterling County.
| County | Grade | National percentile |
|---|---|---|
| Loving County | F | 19th |
| Titus County | F | 19th |
| Donley County | F | 19th |
| Brazoria County | F | 18th |
| Nacogdoches County | F | 19th |
Most reliable counties in Texas
The top 3 counties in Texas by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Zavala County | A | 95th |
| Jasper County | A | 94th |
| Fayette County | A | 91st |
Least reliable counties in Texas
The bottom 3 counties in Texas by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Trinity County | F | 2nd |
| Orange County | F | 2nd |
| Marion County | F | 4th |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
FAQ
How often does power go out in Sterling County?
Between 2015 and 2025, Sterling County recorded 433 outage events, averaging 4.8 hours each.
What is Sterling County's reliability grade?
Sterling County has a Reliability Grade of F, in the 19th national percentile.
What was the worst power outage in Sterling County?
The worst outage on record started April 24, 2022 (Drought), lasting 1 hours and affecting up to 1,607 customers.