Liberty CountyPower Outage History
What this grade means
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 |
|---|---|---|---|
| May 16, 2024 | 72 hrs | 32,796 (48%) | Flash Flood |
| Jul 8, 2024 | 210 hrs | 30,844 (46%) | Unnamed event |
| Feb 15, 2021 | 78 hrs | 28,618 (42%) | Winter Storm Uri |
| May 2, 2024 | 92 hrs | 14,611 (22%) | Unnamed event |
| Aug 27, 2020 | 20 hrs | 12,185 (18%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Liberty County, Texas that day.
Over the 12 years from 2014 to 2025, Liberty County recorded 1,627 distinct power outage events, averaging 2.9 hours per event.
The single worst outage on record in Liberty County started May 16, 2024 (Flash Flood), lasting 72 hours and leaving up to 32,796 customers without power (48% of the county) at its peak.
May has historically been the worst month for outages in Liberty County, with 207 events recorded during that month across the dataset.
Based on this history, Liberty County earns a Reliability Grade of F, placing it in the 12th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Texas
Counties with the closest reliability grade and national percentile to Liberty County.
| County | Grade | National percentile |
|---|---|---|
| Falls County | F | 12th |
| Hardin County | F | 12th |
| Camp County | F | 12th |
| Morris County | F | 12th |
| Harrison County | F | 13th |
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 Liberty County?
Between 2014 and 2025, Liberty County recorded 1,627 outage events, averaging 2.9 hours each.
What is Liberty County's reliability grade?
Liberty County has a Reliability Grade of F, in the 12th national percentile.
What was the worst power outage in Liberty County?
The worst outage on record started May 16, 2024 (Flash Flood), lasting 72 hours and affecting up to 32,796 customers.