Power outages in Erwin, TN
Live outages for Erwin and the surrounding area, updated every 10 minutes. Erwin has 6,019 residents.
Right now
No live outage data for Erwin yet.
Outage map
ErwinUnicoi County
Outage history in Unicoi County, which includes Erwin
2014–2025 recordUnicoi County averaged 3.7 significant outages a year in 2023–2025, fewer than most Tennessee counties.
In the 12 months to December 2025, there were 5. Half were over within 1 hour; the longest lasted 2 hours, starting February 16, 2025.
The largest on record began March 28, 2021, with 879 customers out at once.
Outages are most common in August.
3.7significant outages a year (2023–2025)
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At least 1% of the area's customers, and at least 100, without power at the same time. Outages less than 6 hours apart count as one.2 hourstypical (median) length
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Half of significant outages here ended sooner than this, and half lasted longer.18 hourslongest on record (April 2023)
879most customers out at once
| Largest events (start) | Peak out | LastediHow long this area stayed at or above the significant-outage line, not how long any one home was without power. | Customer-hoursiCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours. |
|---|---|---|---|
| March 28, 2021 | 879 | 2 hours | 1,458 |
| December 24, 2020 | 766 | 2 hours | 1,101 |
| January 16, 2022 | 746 | 7.5 hours | 3,429 |
| August 2, 2021 | 725 | 30 minutes | 337 |
| April 1, 2023 | 692 | 18 hours | 10,557 |
Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).i
From EAGLE-I, Oak Ridge National Laboratory's record of utility outage data every 15 minutes since 2014 (CC BY 4.0). It covered about 9 in 10 U.S. customers.