Marion CountyPower Outage History
What this grade means
Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Mar 3, 2023 | 96 hrs | 6,470 (56%) | High Wind |
| Nov 7, 2021 | 2 hrs | 3,246 (28%) | Unnamed event |
| Apr 2, 2016 | 1 hrs | 3,109 (27%) | High Wind |
| Apr 18, 2017 | <1 hr | 3,103 (27%) | Unnamed event |
| Jul 17, 2017 | 1 hrs | 3,099 (27%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Marion County, Kentucky that day.
Over the 11 years from 2015 to 2025, Marion County recorded 327 distinct power outage events, averaging 2.4 hours per event.
The single worst outage on record in Marion County started March 3, 2023 (High Wind), lasting 96 hours and leaving up to 6,470 customers without power (56% of the county) at its peak.
June has historically been the worst month for outages in Marion County, with 42 events recorded during that month across the dataset.
Based on this history, Marion County earns a Reliability Grade of C, placing it in the 59th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Kentucky
Counties with the closest reliability grade and national percentile to Marion County.
| County | Grade | National percentile |
|---|---|---|
| Meade County | C | 60th |
| Scott County | C | 58th |
| Clark County | C | 58th |
| Henderson County | C | 57th |
| Morgan County | C | 57th |
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 Marion County?
Between 2015 and 2025, Marion County recorded 327 outage events, averaging 2.4 hours each.
What is Marion County's reliability grade?
Marion County has a Reliability Grade of C, in the 59th national percentile.
What was the worst power outage in Marion County?
The worst outage on record started March 3, 2023 (High Wind), lasting 96 hours and affecting up to 6,470 customers.