Roberts CountyPower Outage History
What this grade means
(How grades are calculated)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 |
|---|---|---|---|
| Oct 28, 2020 | 135 hrs | 730 (85%) | Drought |
| Mar 17, 2021 | 28 hrs | 634 (74%) | Hail |
| Sep 10, 2025 | 2 hrs | 617 (72%) | Hail |
| Jun 10, 2020 | 1 hrs | 605 (70%) | Drought |
| Jun 23, 2018 | 5 hrs | 596 (69%) | Hail |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Roberts County, Texas that day.
Over the 12 years from 2014 to 2025, Roberts County recorded 158 distinct power outage events, averaging 4.9 hours per event.
The single worst outage on record in Roberts County started October 28, 2020 (Drought), lasting 135 hours and leaving up to 730 customers without power (85% of the county) at its peak.
July has historically been the worst month for outages in Roberts County, with 19 events recorded during that month across the dataset.
Based on this history, Roberts County earns a Reliability Grade of F, placing it in the 18th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Texas
Counties with the closest reliability grade and national percentile to Roberts County.
| County | Grade | National percentile |
|---|---|---|
| Medina County | F | 18th |
| Mason County | F | 18th |
| Zapata County | F | 18th |
| Reagan County | F | 18th |
| Brazoria County | F | 18th |
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 Roberts County?
Between 2014 and 2025, Roberts County recorded 158 outage events, averaging 4.9 hours each.
What is Roberts County's reliability grade?
Roberts County has a Reliability Grade of F, in the 18th national percentile.
What was the worst power outage in Roberts County?
The worst outage on record started October 28, 2020 (Drought), lasting 135 hours and affecting up to 730 customers.