Power outages in Knoxville, TN
Live outages for Knoxville and the surrounding area, updated every 10 minutes. Knoxville has 202,021 residents.
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No live outage data for Knoxville yet.
Outage map
KnoxvilleKnox County
Outage history in Knox County, which includes Knoxville
2014–2025 recordKnox County averaged 43.7 significant outages a year in 2023–2025, about typical for Tennessee counties.
In the 12 months to December 2025, there were 34. Half were over within 1 hour; the longest lasted 18 hours, starting December 18, 2025.
The largest on record began May 28, 2017, with 44,151 customers out at once.
43.7significant 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.1 hourtypical (median) length
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Half of significant outages here ended sooner than this, and half lasted longer.1.9 dayslongest on record (December 2020)
44,151most 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. |
|---|---|---|---|
| May 28, 2017 | 44,151 | 24 hours | 327,579 |
| August 7, 2023 | 43,172 | 1.9 days | 569,326 |
| May 27, 2020 | 34,684 | 45 minutes | 18,521 |
| November 6, 2018 | 30,395 | 14 hours | 150,691 |
| March 29, 2020 | 30,073 | 12 hours | 117,544 |
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.