Swisher CountyPower Outage History
2015–2025 · Texas
Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Oct 28, 2020 | 116 hrs | 1,046 (39%) | Drought |
| Mar 25, 2023 | 5 hrs | 778 (29%) | High Wind |
| Sep 13, 2015 | 1 hrs | 627 (24%) | Unnamed event |
| Mar 10, 2022 | 1 hrs | 490 (18%) | Unnamed event |
| Aug 15, 2024 | 3 hrs | 483 (18%) | Unnamed event |
Over the 11 years from 2015 to 2025, Swisher County recorded 117 distinct power outage events, averaging 3.2 hours per event.
The single worst outage on record in Swisher County started October 28, 2020 (Drought), lasting 116 hours and leaving up to 1,046 customers without power (39% of the county) at its peak.
May has historically been the worst month for outages in Swisher County, with 17 events recorded during that month across the dataset.
Based on this history, Swisher County earns a Reliability Grade of B, placing it in the 66th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Swisher 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 Swisher County.
| County | Grade | National percentile |
|---|---|---|
| Andrews County | B | 66th |
| Bexar County | B | 66th |
| DeWitt County | B | 67th |
| Crane County | B | 67th |
| Kendall County | B | 68th |
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 Swisher County?
Between 2015 and 2025, Swisher County recorded 117 outage events, averaging 3.2 hours each.
What is Swisher County's reliability grade?
Swisher County has a Reliability Grade of B, in the 66th national percentile.
What was the worst power outage in Swisher County?
The worst outage on record started October 28, 2020 (Drought), lasting 116 hours and affecting up to 1,046 customers.