Power outages in Grainger County, TN
We don't have a live outage feed for the utilities serving Grainger County yet. Knoxville Utilities Board, Appalachian Electric Coop and Powell Valley Electric Coop serve this county.
Right now
No live outage data for Grainger County yet.
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This utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.i
From EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.i
This utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.i
From EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.i
This utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.i
From EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.Outage map
Outage history in Grainger County
2014–2025 recordGrainger County averaged 39.3 significant outages a year in 2023–2025, about typical for Tennessee counties.
In the 12 months to December 2025, there were 24. Half were over within 1 hour; the longest lasted 14 hours, starting May 17, 2025.
The largest on record began September 27, 2024, with 5,826 customers out at once.
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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.i
Half of significant outages here ended sooner than this, and half lasted longer.| 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. |
|---|---|---|---|
| September 27, 2024 | 5,826 | 3.4 days | 167,027 |
| December 23, 2022 | 4,225 | 8 hours | 5,536 |
| May 2, 2024 | 3,908 | 1.5 hours | 5,758 |
| December 24, 2022 | 2,781 | 6 hours | 4,491 |
| May 8, 2024 | 2,741 | 24 hours | 15,129 |
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.
Cities in Grainger County
Utilities
- Knoxville Utilities Board no live feed
- Appalachian Electric Coop no live feed
- Powell Valley Electric Coop no live feed
- All Tennessee outages