Oldham CountyPower Outage History
What this grade means
Worse than average — more frequent or longer outages than most counties. This county's recorded history shows more frequent outages and/or longer restoration times than most US counties over the same 12-year period. If you live here, it's worth taking backup power more seriously than an average household would.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Mar 3, 2023 | 140 hrs | 14,419 (49%) | High Wind |
| Mar 1, 2017 | 19 hrs | 14,118 (48%) | Thunderstorm Wind |
| Nov 12, 2025 | <1 hr | 12,161 (42%) | Unnamed event |
| Jul 23, 2017 | 1 hrs | 11,968 (41%) | Unnamed event |
| Jun 26, 2023 | 40 hrs | 10,892 (37%) | Hail |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Oldham County, Kentucky that day.
Over the 12 years from 2014 to 2025, Oldham County recorded 562 distinct power outage events, averaging 4.4 hours per event.
The single worst outage on record in Oldham County started March 3, 2023 (High Wind), lasting 140 hours and leaving up to 14,419 customers without power (49% of the county) at its peak.
July has historically been the worst month for outages in Oldham County, with 97 events recorded during that month across the dataset.
Based on this history, Oldham County earns a Reliability Grade of D, placing it in the 28th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Kentucky
Counties with the closest reliability grade and national percentile to Oldham County.
| County | Grade | National percentile |
|---|---|---|
| Allen County | D | 27th |
| Bracken County | D | 26th |
| Anderson County | D | 26th |
| Wayne County | D | 29th |
| Grayson County | D | 29th |
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 Oldham County?
Between 2014 and 2025, Oldham County recorded 562 outage events, averaging 4.4 hours each.
What is Oldham County's reliability grade?
Oldham County has a Reliability Grade of D, in the 28th national percentile.
What was the worst power outage in Oldham County?
The worst outage on record started March 3, 2023 (High Wind), lasting 140 hours and affecting up to 14,419 customers.