Sutton CountyPower Outage History
2014–2025 · Texas
Worse than average — more frequent or longer outages than most counties. This county's recorded history shows more frequent outages and/or longer restoration times than most US counties over the same 12-year period. If you live here, it's worth taking backup power more seriously than an average household would.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Apr 15, 2021 | 18 hrs | 2,242 (88%) | Hail |
| Feb 14, 2021 | 90 hrs | 2,010 (79%) | Winter Storm Uri |
| Jul 22, 2020 | 3 hrs | 1,969 (77%) | Unnamed event |
| Sep 9, 2020 | <1 hr | 1,964 (77%) | Unnamed event |
| Mar 20, 2018 | 2 hrs | 1,923 (75%) | Unnamed event |
Over the 12 years from 2014 to 2025, Sutton County recorded 431 distinct power outage events, averaging 2.8 hours per event.
The single worst outage on record in Sutton County started April 15, 2021 (Hail), lasting 18 hours and leaving up to 2,242 customers without power (88% of the county) at its peak.
May has historically been the worst month for outages in Sutton County, with 51 events recorded during that month across the dataset.
Based on this history, Sutton County earns a Reliability Grade of D, placing it in the 21st percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Sutton County's outage profile
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Read our mission →Similar counties in Texas
Counties with the closest reliability grade and national percentile to Sutton County.
| County | Grade | National percentile |
|---|---|---|
| Matagorda County | D | 21st |
| Knox County | D | 21st |
| Wharton County | D | 21st |
| Smith County | D | 22nd |
| Grimes County | D | 20th |
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 Sutton County?
Between 2014 and 2025, Sutton County recorded 431 outage events, averaging 2.8 hours each.
What is Sutton County's reliability grade?
Sutton County has a Reliability Grade of D, in the 21st national percentile.
What was the worst power outage in Sutton County?
The worst outage on record started April 15, 2021 (Hail), lasting 18 hours and affecting up to 2,242 customers.