Power Outages in Knox County, TN
As of July 18, 2026 18:54 UTC, about 81 customers are without power in Knox County, TN across 3 reported incidents. In 2025, the average customer here lost power for about 3.9 hours.
Knox County, TN is served by 1 tracked utility.
No active NWS alerts for Knox County right now.
Knox County has been under 21 National Weather Service alerts recently — most recently a Flash Flood Warning on July 17, 2026.
- Flash Flood Warning ×8
- Flood Watch ×7
- Flood Advisory ×5
- Special Weather Statement ×1
Latest Knox County, TN outage updates
A running log of how this outage has changed — updated automatically as utilities report in.
- RESOLVED
Power restored after 22m
- OUTAGE BEGAN
Outage began — 1,019 customers out (0.4% of the county)
- RESOLVED
Power restored after 5h 38m
- OUTAGE BEGAN
Outage began — 1,215 customers out (0.5% of the county)
- RESOLVED
Power restored after 11m
- OUTAGE BEGAN
Outage began — 1,544 customers out
- RESOLVED
Power restored after 1h 29m
- OUTAGE BEGAN
Outage began — 644 customers out
Hardest-hit cities in Knox County
Where this event is concentrated across the county's towns and townships.
Live outage counts are tracked at the county level; a city-by-city split within Knox Countyisn't available yet.
Historical reliability
In 2025, the average customer in Knox County went about 3.9 hours without power. Peak simultaneous outage on record reached 68,001 customers.
Worst year here was 2023 (peak 68,001 customers out) · decade average 4.2 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 628 | 10,989 | 0.9 |
| 2016 | 1,107 | 22,600 | 2.9 |
| 2017 | 995 | 44,151 | 3.7 |
| 2018 | 940 | 31,811 | 2.9 |
| 2019 | 754 | 23,075 | 3.7 |
| 2020 | 671 | 40,534 | 5.1 |
| 2021 | 339 | 28,184 | 3.7 |
| 2022 | 408 | 25,953 | 6.7 |
| 2023 | 362 | 68,001 | 8.3 |
| 2024 | 208 | 18,919 | 4.8 |
| 2025 | 636 | 19,649 | 3.9 |
Relatively High ice storms exposure · 4.2 hrs/yr of outages over the last decade.
Power outages in Knox County: FAQ
- How often does Knox County, TN lose power?
- Based on EAGLE-I records, Knox County, TN logged 636 distinct outage events in 2025, averaging about 3.9 hours without power per customer over the year.
- What was the worst power outage in Knox County, TN?
- The largest tracked outage peaked at 68,001 customers without power, beginning August 6, 2023 and lasting about 5d 17h.
- Is there a power outage in Knox County, TN right now?
- Yes — about 81 customers are currently without power across 3 reported incident(s).
- Which utilities serve Knox County, TN?
- Tracked electric providers include KNOXVILLE UTILITIES BOARD.
Knoxville. Outage counts for these communities are reported at the Knox County level shown above.
Outages are tracked at the county level; these ZIP codes fall within Knox County.
37721, 37806, 37849, 37871, 37902, 37909, 37912, 37914, 37915, 37916, 37917, 37918, 37919, 37920, 37921, 37922, 37923, 37924, 37929, 37931, 37932, 37934, 37938
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| KNOXVILLE UTILITIES BOARD | — | ODIN ✓ | — |
Machine-readable data: /api/v1/counties/47093 and /api/v1/counties/47093/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Tennessee customers). Live data as of .