Power outages in Jefferson County, TN

We don't have a live outage feed for the utilities serving Jefferson County yet. Knoxville Utilities Board, Appalachian Electric Coop and City of Newport - (TN) serve this county.

Right now

No live outage data for Jefferson County yet.

Knoxville Utilities Boardno live feed
iThis 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 this county, per federal utility records
iFrom EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.
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Appalachian Electric Coopno live feed
iThis 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 this county, per federal utility records
iFrom EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.
.
City of Newport - (TN)no live feed
iThis 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 this county, per federal utility records
iFrom EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.
.

Outage map

No live outage feed here yet
County outline

Outage history in Jefferson County

2014–2025 record

Jefferson County averaged 39.7 significant outages a year in 2023–2025, about typical for Tennessee counties.

In the 12 months to December 2025, there were 7. Half were over within 45 minutes; the longest lasted 3 hours, starting February 7, 2025.

The largest on record began August 7, 2023, with 11,865 customers out at once.

Outages are most common in June.

39.7significant outages a year (2023–2025)
iAt 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.
1.5 hourstypical (median) length
iHalf of significant outages here ended sooner than this, and half lasted longer.
3.7 dayslongest on record (December 2020)
11,865most customers out at once
Largest events (start)Peak outLasted
iHow long this area stayed at or above the significant-outage line, not how long any one home was without power.
Customer-hours
iCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours.
August 7, 202311,8651.8 days161,310
November 29, 20239,7216 hours37,544
September 27, 20249,0072.4 days153,555
December 23, 20228,6349 hours17,276
April 1, 20238,00918 hours34,111

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

iFrom 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.