Tennessee power outages

Live outages across Tennessee from Appalachian Power and LG&E and KU, updated every 10 minutes. 1 counties have customers without power right now.

Right now

Normal: scattered outages

Normal: fewer than 0.1% of customers out. Elevated: 0.1% or more. Major outage: 1% or more.

12customers without power

A customer is one electric account, usually one home or business, not one person. Utilities count outages this way.

0.02% of 49,272 customersUpdated 2 min ago

We check every utility's outage data every 10 minutes. Each utility updates its own map on its own schedule, usually every 5 to 15 minutes.

Appalachian Power12 / 49,271

LG&E and KU0 / 1

Entergy Arkansas LLCno live feed

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.

Serves part of the state, per federal utility records

From EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.

. Check its own outage map.

Nashville Electric Serviceno live feed

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.

Serves part of the state, per federal utility records

From EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.

. Check its own outage map.

City of Memphis - (TN)no live feed

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.

Serves part of the state, per federal utility records

From EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.

. Check its own outage map.

Outage map

<0.01%0.01%0.1%1%+ outno live feed

Color shows the share of each county's customers without power right now.

Counties with the most outages

5 counties with live data

County	Out	Customers i A customer is one electric account, usually one home or business, not one person. Utilities count outages this way.	% out i Customers without power divided by all the customers the utility serves in this area.
Sullivan County	12	41,918	0.03%
Claiborne County	0	1	0.00%
Hawkins County	0	6,982	0.00%
Johnson County	0	1	0.00%
Washington County	0	370	0.00%

Outage history in Tennessee

2014–2025 record

Tennessee averaged 10 significant outages a year in 2023–2025, about typical for states.

In the 12 months to December 2025, there were 6. Half were over within 4.5 hours; the longest lasted 12 hours, starting March 5, 2025.

The largest on record began March 3, 2023, with 367,280 customers out at once.

Outages are most common in July.

10significant outages a year (2023–2025)

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.

4.5 hourstypical (median) length

Half of significant outages here ended sooner than this, and half lasted longer.

6.2 dayslongest on record (February 2022)

367,280most customers out at once

Largest events (start)	Peak out	Lasted i How long this area stayed at or above the significant-outage line, not how long any one home was without power.	Customer-hours i Customers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours.
March 3, 2023	367,280	1.9 days	5,564,488
December 24, 2022	329,624	8 hours	1,515,427
May 3, 2020	239,438	2.5 days	5,989,827
December 23, 2022	216,016	17 hours	852,353
May 28, 2017	187,775	4 days	8,799,928

Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).

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.

Counties in Tennessee

Utilities

Appalachian Power
LG&E and KU
Entergy Arkansas LLC no live feed
Nashville Electric Service no live feed
City of Memphis - (TN) no live feed
Middle Tennessee E M C no live feed
Knoxville Utilities Board no live feed
City of Chattanooga - (TN) no live feed
Volunteer Electric Coop no live feed
Cumberland Elec Member Corp no live feed