Lamb CountyPower Outage History
What this grade means
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 |
|---|---|---|---|
| Nov 27, 2015 | 10 hrs | 3,604 (28%) | Unnamed event |
| Feb 26, 2023 | 11 hrs | 3,466 (27%) | High Wind |
| Jun 26, 2017 | 6 hrs | 2,769 (21%) | Unnamed event |
| Feb 8, 2024 | <1 hr | 2,357 (18%) | Unnamed event |
| Dec 7, 2020 | <1 hr | 1,964 (15%) | Drought |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Lamb County, Texas that day.
Over the 11 years from 2015 to 2025, Lamb County recorded 189 distinct power outage events, averaging 2.1 hours per event.
The single worst outage on record in Lamb County started November 27, 2015, lasting 10 hours and leaving up to 3,604 customers without power (28% of the county) at its peak.
August has historically been the worst month for outages in Lamb County, with 33 events recorded during that month across the dataset.
Based on this history, Lamb County earns a Reliability Grade of A, placing it in the 87th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Texas
Counties with the closest reliability grade and national percentile to Lamb County.
| County | Grade | National percentile |
|---|---|---|
| King County | A | 87th |
| Lubbock County | A | 88th |
| Motley County | A | 86th |
| Mills County | A | 86th |
| Lampasas County | A | 86th |
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 Lamb County?
Between 2015 and 2025, Lamb County recorded 189 outage events, averaging 2.1 hours each.
What is Lamb County's reliability grade?
Lamb County has a Reliability Grade of A, in the 87th national percentile.
What was the worst power outage in Lamb County?
The worst outage on record started November 27, 2015, lasting 10 hours and affecting up to 3,604 customers.