Dyer County Power Outage History
2016–2024 · Tennessee
Top 20% most reliable nationally — infrequent, short outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Oct 26, 2024 | 2 hrs | 1,693 (8%) | Unnamed event |
| Oct 6, 2024 | 2 hrs | 1,690 (8%) | Unnamed event |
| Dec 4, 2022 | 1 hrs | 1,681 (8%) | Unnamed event |
| Dec 4, 2022 | 1 hrs | 1,681 (8%) | Unnamed event |
| Dec 11, 2021 | 2 hrs | 1,680 (8%) | Tornado |
Over the 9 years from 2016 to 2024, Dyer County recorded 71 distinct power outage events, averaging 2.0 hours per event.
The single worst outage on record in Dyer County started October 26, 2024, lasting 2 hours and leaving up to 1,693 customers without power (8% of the county) at its peak.
March has historically been the worst month for outages in Dyer County, with 16 events recorded during that month across the dataset.
Based on this history, Dyer County earns a Reliability Grade of A, placing it in the 96th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Dyer County's outage profile
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Similar counties in Tennessee
Counties with the closest reliability grade and national percentile to Dyer County.
| County | Grade | National percentile |
|---|---|---|
| Unicoi County | A | 96th |
| DeKalb County | A | 97th |
| Lauderdale County | A | 95th |
| Morgan County | A | 95th |
| Putnam County | A | 98th |
FAQ
How often does power go out in Dyer County?
Between 2016 and 2024, Dyer County recorded 71 outage events, averaging 2.0 hours each.
What is Dyer County's reliability grade?
Dyer County has a Reliability Grade of A, in the 96th national percentile.
What was the worst power outage in Dyer County?
The worst outage on record started October 26, 2024, lasting 2 hours and affecting up to 1,693 customers.