Tennessee Power Outages: Live Map & Grid Status
As of Nov 2, 10:45 PM EST, 305 Tennessee customers (0.008% of 3,749,083) were without power across 3 counties, according to utilities reporting to DOE's ODIN outage feed.
Tennessee outage map by county
Normal- Normal
- Minor
- Moderate
- Major
- Severe
- Limited data
Live data from 6 participating utilities, covering roughly 20% of Tennessee electricity customers. Source: DOE/ORNL Outage Data Initiative Nationwide (ODIN).
Tennessee counties with power outages
Counties with customers out right now
| County | Customers out | Utility | Est. restoration |
|---|---|---|---|
| Blount County | 300 | City of Alcoa Utilities | — |
| Benton County | 4 | Benton County | — |
| Knox County | 1 | Knoxville Utilities Board | — |
Weather alerts
Wind, storm, ice, heat and fire-weather alerts from NWS
No active outage-relevant weather alerts from the National Weather Service.
Outage trend: last 7 days
Customers without power, recorded every ~30 minutes (participating utilities)
Biggest Tennessee power outages since 2014
Statewide outage events recorded by DOE's EAGLE-I system since late 2014, with likely causes from NOAA storm reports
The largest power outage in Tennessee since 2014 (Mar 3–6, 2023) left as many as 367,280 customers (10.38% of the state) without power at once, driven by high winds. The next largest (Dec 23–24, 2022) peaked at 329,624 customers (Winter Storm Elliott).
By EAGLE-I's count, Tennessee customers averaged about 5 hr 20 min without power per year from 2018 to 2025. The worst year was 2023, at 10 hr 36 min per customer.
Outages peak in February (13% of outage time). Outage time in Tennessee has risen recently: about 7 hr 4 min per customer per year in 2022–2025, versus 3 hr 36 min in 2018–2021.
| # | When | Peak out at once | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Mar 3–6, 2023 | 367,280(10.38%) | 4 | High winds |
| 2 | Dec 23–24, 2022 | 329,624(9.31%) | 2 | Winter Storm Elliott |
| 3 | May 3–6, 2020 | 239,438(6.77%) | 4 | Severe thunderstorms |
| 4 | May 28 – Jun 3, 2017 | 187,775(5.31%) | 7 | Severe thunderstorms |
| 5 | Aug 4–15, 2023 | 157,127(4.44%) | 12 | Severe thunderstorms |
| 6 | Dec 11–12, 2021 | 153,369(4.33%) | 2 | Tornadoes |
| 7 | Feb 3–11, 2022 | 151,830(4.29%) | 9 | Ice storm |
| 8 | Jul 18–23, 2023 | 147,856(4.18%) | 6 | Severe thunderstorms |
Hours without power per customer, by year (EAGLE-I)
When outages happen
Source: DOE/ORNL EAGLE-I recorded electricity outages, 2014–2025 (CC BY 4.0), with likely causes from the NOAA NCEI Storm Events Database. EAGLE-I coverage was partial before 2018, so averages use 2018–2025. Peak counts are the highest number of customers out at one time.
Tennessee electric utilities
Largest electric companies in Tennessee, from EIA-861 (2025)
| Utility | Type | Customers (TN) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| Nashville Electric Service (NES) | Municipal | 470,927 | Not reporting | |
| Memphis Light, Gas and Water (MLGW) | Municipal | 430,114 | Not reporting | |
| Middle Tennessee Electric (MTE) | Cooperative | 355,220 | Reporting | |
| Knoxville Utilities Board (KUB) | Municipal | 225,030 | 1 out | |
| EPB (Chattanooga) | Municipal | 189,589 | Not reporting | |
| Volunteer Energy Cooperative (VEC) | Cooperative | 129,770 | Not reporting | |
| Cumberland Electric (CEMC) | Cooperative | 113,734 | Reporting | |
| City of Clarksville - (TN) | Municipal | 86,998 | Not reporting | |
| Duck River Elec Member Corp | Cooperative | 86,690 | Not reporting | |
| Johnson City - (TN) | Municipal | 84,883 | Not reporting | |
| City of Lenoir - (TN) | Municipal | 78,504 | Not reporting | |
| Sevier County Electric System | Municipal | 64,328 | Not reporting | |
| Upper Cumberland E M C | Cooperative | 54,524 | Not reporting | |
| Southwest Tennessee E M C | Cooperative | 52,538 | Not reporting | |
| Appalachian Electric Coop | Cooperative | 52,126 | Not reporting |
“Avg. outage time / yr” is each utility's reported SAIDI for 2025, including major events. “Live data” shows whether the utility shares outages with DOE ODIN.
Tennessee grid reliability & uptime
Official reliability metrics from the U.S. Energy Information Administration
In 2025, the average Tennessee customer went 3 hr 48 min without power, compared with 4 hr 29 min for the U.S. as a whole. That ranks Tennessee 28th of 51 for total outage time, where 1st has the most.
Leaving out major events such as hurricanes and ice storms, the figure falls to 2 hr 27 min. Customers averaged 1.55 interruptions, each lasting about 2 hr 27 min. Over the last five years Tennessee averaged 7 hr 18 min of outages per customer per year (rank 16th).
View as table
| Year | TN SAIDI (min) | U.S. SAIDI (min) |
|---|---|---|
| 2015 | 257.5 | 209 |
| 2016 | 212.9 | 268.4 |
| 2017 | 621.5 | 505.9 |
| 2018 | 217.5 | 349.2 |
| 2019 | 252.9 | 295.5 |
| 2020 | 618.4 | 456.1 |
| 2021 | 316.8 | 475.8 |
| 2022 | 428.3 | 333 |
| 2023 | 926.9 | 366.6 |
| 2024 | 289.3 | 662.6 |
| 2025 | 227.7 | 269.2 |
Source: EIA Electric Power Annual, Table 11.4 (IEEE method, all events including major event days).
Tennessee power outage news
- Department of Energy announces $14M investment in Tennessee power gridWSMV · Oct 28, 6:13 PM EDT
All Tennessee counties
Outage status, alerts and utilities for all 95 Tennessee counties
- Anderson County
- Bedford County
- Benton County4
- Bledsoe County
- Blount County300
- Bradley County
- Campbell County
- Cannon County
- Carroll County
- Carter County
- Cheatham County
- Chester County
- Claiborne County
- Clay County
- Cocke County
- Coffee County
- Crockett County
- Cumberland County
- Davidson County
- Decatur County
- DeKalb County
- Dickson County
- Dyer County
- Fayette County
- Fentress County
- Franklin County
- Gibson County
- Giles County
- Grainger County
- Greene County
- Grundy County
- Hamblen County
- Hamilton County
- Hancock County
- Hardeman County
- Hardin County
- Hawkins County
- Haywood County
- Henderson County
- Henry County
- Hickman County
- Houston County
- Humphreys County
- Jackson County
- Jefferson County
- Johnson County
- Knox County1
- Lake County
- Lauderdale County
- Lawrence County
- Lewis County
- Lincoln County
- Loudon County
- Macon County
- Madison County
- Marion County
- Marshall County
- Maury County
- McMinn County
- McNairy County
- Meigs County
- Monroe County
- Montgomery County
- Moore County
- Morgan County
- Obion County
- Overton County
- Perry County
- Pickett County
- Polk County
- Putnam County
- Rhea County
- Roane County
- Robertson County
- Rutherford County
- Scott County
- Sequatchie County
- Sevier County
- Shelby County
- Smith County
- Stewart County
- Sullivan County
- Sumner County
- Tipton County
- Trousdale County
- Unicoi County
- Union County
- Van Buren County
- Warren County
- Washington County
- Wayne County
- Weakley County
- White County
- Williamson County
- Wilson County
Tennessee power outage FAQ
Is there a power outage in Tennessee right now?
Yes. As of Nov 2, 10:45 PM EST, utilities reporting to DOE ODIN show 305 customers without power in Tennessee, with the most in Blount County (300). Coverage is limited to participating utilities, so check your utility's outage map for your address.
How reliable is the power grid in Tennessee?
In 2025, the average Tennessee electricity customer was without power for 3 hr 48 min in total (SAIDI, including major events), versus 4 hr 29 min nationally, according to EIA. That ranks Tennessee 28th of 51 for outage time (1st = most). Power was on 99.957% of the year.
How long do power outages last in Tennessee?
When an outage happened in 2025, Tennessee customers waited an average of 2 hr 27 min for power to be restored (CAIDI), and the average customer had 1.55 sustained interruptions during the year (SAIFI), per EIA-861 data.
Who do I call to report a power outage in Tennessee?
Report outages directly to your electric utility. Nashville Electric Service, City of Memphis - (TN), Middle Tennessee E M C and others serve the most customers in Tennessee. Call 911 if you see a downed power line or are in danger.
Prepare for the next outage
Cite this page
You may reuse our derived data under CC BY 4.0 with attribution. Underlying government data is public domain.
PowerOutageTracker.com. "Tennessee Power Outages: Live Map & Grid Status." Accessed November 2, 2026. https://poweroutagetracker.com/outages/tennessee
Embed live Tennessee outage status on your site
Free for newsrooms, schools, local governments and community sites. The badge refreshes automatically.
<a href="https://poweroutagetracker.com/outages/tennessee" title="Tennessee power outages: live map"><img src="https://poweroutagetracker.com/badge/tennessee" alt="Tennessee power outage status" height="24"></a>