Lavaca CountyPower Outage History
What this grade means
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 |
|---|---|---|---|
| Feb 17, 2021 | 36 hrs | 4,674 (41%) | Winter Storm Uri |
| Feb 14, 2021 | 67 hrs | 3,436 (30%) | Winter Storm Uri |
| Aug 20, 2015 | 5 hrs | 3,007 (26%) | Unnamed event |
| Jun 16, 2015 | 18 hrs | 2,545 (22%) | Tropical Storm |
| Nov 4, 2016 | 2 hrs | 2,519 (22%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Lavaca County, Texas that day.
Over the 12 years from 2014 to 2025, Lavaca County recorded 1,424 distinct power outage events, averaging 2.3 hours per event.
The single worst outage on record in Lavaca County started February 17, 2021 (Winter Storm Uri), lasting 36 hours and leaving up to 4,674 customers without power (41% of the county) at its peak.
June has historically been the worst month for outages in Lavaca County, with 182 events recorded during that month across the dataset.
Based on this history, Lavaca County earns a Reliability Grade of D, placing it in the 39th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Texas
Counties with the closest reliability grade and national percentile to Lavaca County.
| County | Grade | National percentile |
|---|---|---|
| Cooke County | D | 38th |
| Bell County | D | 39th |
| Frio County | D | 39th |
| Deaf Smith County | D | 39th |
| Archer County | D | 38th |
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 Lavaca County?
Between 2014 and 2025, Lavaca County recorded 1,424 outage events, averaging 2.3 hours each.
What is Lavaca County's reliability grade?
Lavaca County has a Reliability Grade of D, in the 39th national percentile.
What was the worst power outage in Lavaca County?
The worst outage on record started February 17, 2021 (Winter Storm Uri), lasting 36 hours and affecting up to 4,674 customers.