Adair 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 12, 2025 | <1 hr | 2,772 (24%) | Unnamed event |
| Mar 3, 2023 | 80 hrs | 2,346 (20%) | High Wind |
| May 17, 2025 | 42 hrs | 2,278 (19%) | Thunderstorm Wind |
| Mar 12, 2022 | <1 hr | 2,253 (19%) | Winter Storm |
| Jun 26, 2023 | 9 hrs | 1,696 (14%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Adair County, Kentucky that day.
Over the 11 years from 2015 to 2025, Adair County recorded 172 distinct power outage events, averaging 3.8 hours per event.
The single worst outage on record in Adair County started November 12, 2025, lasting less than 1 hour and leaving up to 2,772 customers without power (24% of the county) at its peak.
May has historically been the worst month for outages in Adair County, with 29 events recorded during that month across the dataset.
Based on this history, Adair County earns a Reliability Grade of A, placing it in the 86th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Kentucky
Counties with the closest reliability grade and national percentile to Adair County.
| County | Grade | National percentile |
|---|---|---|
| Simpson County | A | 81st |
| Green County | A | 91st |
| McCracken County | B | 79th |
| Webster County | A | 92nd |
| Shelby County | B | 79th |
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 Adair County?
Between 2015 and 2025, Adair County recorded 172 outage events, averaging 3.8 hours each.
What is Adair County's reliability grade?
Adair County has a Reliability Grade of A, in the 86th national percentile.
What was the worst power outage in Adair County?
The worst outage on record started November 12, 2025, lasting less than 1 hour and affecting up to 2,772 customers.