Simpson 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 |
|---|---|---|---|
| Mar 3, 2023 | 71 hrs | 3,507 (29%) | High Wind |
| Jun 13, 2018 | <1 hr | 2,821 (24%) | Unnamed event |
| Jul 23, 2019 | <1 hr | 2,641 (22%) | Unnamed event |
| May 8, 2024 | 3 hrs | 2,303 (19%) | Flash Flood |
| Dec 24, 2022 | 5 hrs | 2,249 (19%) | Winter Storm |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Simpson County, Kentucky that day.
Over the 10 years from 2016 to 2025, Simpson County recorded 146 distinct power outage events, averaging 2.4 hours per event.
The single worst outage on record in Simpson County started March 3, 2023 (High Wind), lasting 71 hours and leaving up to 3,507 customers without power (29% of the county) at its peak.
July has historically been the worst month for outages in Simpson County, with 34 events recorded during that month across the dataset.
Based on this history, Simpson County earns a Reliability Grade of A, placing it in the 81st percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Kentucky
Counties with the closest reliability grade and national percentile to Simpson County.
| County | Grade | National percentile |
|---|---|---|
| McCracken County | B | 79th |
| Shelby County | B | 79th |
| Wolfe County | B | 78th |
| Boone County | B | 76th |
| Hardin County | B | 76th |
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 Simpson County?
Between 2016 and 2025, Simpson County recorded 146 outage events, averaging 2.4 hours each.
What is Simpson County's reliability grade?
Simpson County has a Reliability Grade of A, in the 81st national percentile.
What was the worst power outage in Simpson County?
The worst outage on record started March 3, 2023 (High Wind), lasting 71 hours and affecting up to 3,507 customers.