Coleman CountyPower Outage History
What this grade means
(How grades are calculated)Top 20% most reliable nationally — infrequent, short outages. This county ranks in the most reliable fifth of all US counties in our dataset, based on 12 years of real DOE outage records: outages happen less often here, and when they do occur they tend to be resolved quickly compared to the rest of the country. Baseline outage risk is low, though a severe local storm can still occasionally cause a longer-than-usual outage regardless of the long-term track record.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| May 22, 2024 | 6 hrs | 847 (21%) | Hail |
| May 16, 2021 | 1 hrs | 705 (18%) | Thunderstorm Wind |
| May 31, 2025 | 6 hrs | 702 (17%) | Tornado |
| Sep 18, 2025 | 2 hrs | 701 (17%) | Drought |
| May 3, 2021 | 2 hrs | 698 (17%) | Hail |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Coleman County, Texas that day.
Over the 12 years from 2014 to 2025, Coleman County recorded 96 distinct power outage events, averaging 2.9 hours per event.
The single worst outage on record in Coleman County started May 22, 2024 (Hail), lasting 6 hours and leaving up to 847 customers without power (21% of the county) at its peak.
May has historically been the worst month for outages in Coleman County, with 26 events recorded during that month across the dataset.
Based on this history, Coleman County earns a Reliability Grade of A, placing it in the 90th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Texas
Counties with the closest reliability grade and national percentile to Coleman County.
| County | Grade | National percentile |
|---|---|---|
| Guadalupe County | A | 89th |
| Fayette County | A | 91st |
| Lubbock County | A | 88th |
| Lamb County | A | 87th |
| King County | A | 87th |
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 Coleman County?
Between 2014 and 2025, Coleman County recorded 96 outage events, averaging 2.9 hours each.
What is Coleman County's reliability grade?
Coleman County has a Reliability Grade of A, in the 90th national percentile.
What was the worst power outage in Coleman County?
The worst outage on record started May 22, 2024 (Hail), lasting 6 hours and affecting up to 847 customers.