Mason County Power Outage History
2014–2025 · Kentucky
Average — typical outage frequency and duration nationally. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Nov 12, 2025 | 0 hrs | 5,766 (56%) | Unnamed event |
| Apr 9, 2020 | 19 hrs | 3,327 (32%) | Thunderstorm Wind |
| Dec 23, 2022 | 2 hrs | 2,885 (28%) | Winter Storm |
| Jan 11, 2020 | 8 hrs | 2,221 (21%) | Thunderstorm Wind |
| Mar 3, 2023 | 50 hrs | 1,843 (18%) | High Wind |
Over the 12 years from 2014 to 2025, Mason County recorded 540 distinct power outage events, averaging 2.4 hours per event.
The single worst outage on record in Mason County started November 12, 2025, lasting 0 hours and leaving up to 5,766 customers without power (56% of the county) at its peak.
November has historically been the worst month for outages in Mason County, with 66 events recorded during that month across the dataset.
Based on this history, Mason County earns a Reliability Grade of C, placing it in the 53rd percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Kentucky
Counties with the closest reliability grade and national percentile to Mason County.
| County | Grade | National percentile |
|---|---|---|
| Barren County | C | 53rd |
| Bullitt County | C | 52nd |
| Henry County | C | 54th |
| Harrison County | C | 54th |
| Owen County | C | 52nd |
FAQ
How often does power go out in Mason County?
Between 2014 and 2025, Mason County recorded 540 outage events, averaging 2.4 hours each.
What is Mason County's reliability grade?
Mason County has a Reliability Grade of C, in the 53rd national percentile.
What was the worst power outage in Mason County?
The worst outage on record started November 12, 2025, lasting 0 hours and affecting up to 5,766 customers.