Clark 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 |
|---|---|---|---|
| Nov 12, 2025 | <1 hr | 11,660 (61%) | Unnamed event |
| Feb 11, 2021 | 109 hrs | 6,423 (33%) | Ice Storm |
| Jan 12, 2016 | <1 hr | 5,682 (30%) | Unnamed event |
| Mar 3, 2023 | 50 hrs | 5,261 (27%) | High Wind |
| Sep 8, 2020 | 3 hrs | 4,946 (26%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Clark County, Kentucky that day.
Over the 12 years from 2014 to 2025, Clark County recorded 392 distinct power outage events, averaging 3.2 hours per event.
The single worst outage on record in Clark County started November 12, 2025, lasting less than 1 hour and leaving up to 11,660 customers without power (61% of the county) at its peak.
July has historically been the worst month for outages in Clark County, with 48 events recorded during that month across the dataset.
Based on this history, Clark County earns a Reliability Grade of C, placing it in the 58th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Kentucky
Counties with the closest reliability grade and national percentile to Clark County.
| County | Grade | National percentile |
|---|---|---|
| Scott County | C | 58th |
| Henderson County | C | 57th |
| Morgan County | C | 57th |
| Marion County | C | 59th |
| Marshall County | C | 56th |
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 Clark County?
Between 2014 and 2025, Clark County recorded 392 outage events, averaging 3.2 hours each.
What is Clark County's reliability grade?
Clark County has a Reliability Grade of C, in the 58th national percentile.
What was the worst power outage in Clark County?
The worst outage on record started November 12, 2025, lasting less than 1 hour and affecting up to 11,660 customers.