Mason County Power Outage History
2014–2025 · West Virginia
Bottom 20% least reliable nationally — frequent and/or long outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Apr 10, 2015 | 10 hrs | 8,366 (56%) | Thunderstorm Wind |
| Dec 13, 2024 | 10 hrs | 8,233 (55%) | Unnamed event |
| Dec 4, 2024 | 27 hrs | 7,358 (49%) | Drought |
| Oct 23, 2018 | 4 hrs | 7,294 (49%) | Strong Wind |
| Sep 11, 2023 | 7 hrs | 6,638 (44%) | Unnamed event |
Over the 12 years from 2014 to 2025, Mason County recorded 931 distinct power outage events, averaging 4.9 hours per event.
The single worst outage on record in Mason County started April 10, 2015 (Thunderstorm Wind), lasting 10 hours and leaving up to 8,366 customers without power (56% of the county) at its peak.
July has historically been the worst month for outages in Mason County, with 117 events recorded during that month across the dataset.
Based on this history, Mason County earns a Reliability Grade of F, placing it in the 6th percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in West Virginia
Counties with the closest reliability grade and national percentile to Mason County.
| County | Grade | National percentile |
|---|---|---|
| Logan County | F | 5th |
| Summers County | F | 6th |
| Kanawha County | F | 6th |
| Wetzel County | F | 5th |
| Pleasants County | F | 6th |
FAQ
How often does power go out in Mason County?
Between 2014 and 2025, Mason County recorded 931 outage events, averaging 4.9 hours each.
What is Mason County's reliability grade?
Mason County has a Reliability Grade of F, in the 6th national percentile.
What was the worst power outage in Mason County?
The worst outage on record started April 10, 2015 (Thunderstorm Wind), lasting 10 hours and affecting up to 8,366 customers.