massoutage

2019 Tennessee Power Outage Report

In 2019, the average Tennessee customer went without power for about 2.7 hours — the 32nd worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
2.7
Peak customers out
42,695
Rank (worst state)
32nd
Counties affected
20

Tennessee outages over the decade

Average hours without power per customer, 2019 highlighted.

2.4h20152.5h20165.6h20172.1h20182.7h20196.5h20203.7h20219.2h202211.1h20234.8h20244.3h2025

Hardest-hit Tennessee counties in 2019

By peak customers out during the year's worst event.

1Davidson County42,6952Montgomery County36,8343Shelby County35,3294Cumberland County26,2635Bledsoe County23,5016Knox County23,0757Greene County15,9038Sumner County8,9419Union County8,58210Cheatham County8,28711Washington County8,19512Bradley County7,72413Williamson County7,72114Fayette County7,46015Rutherford County7,44816Macon County7,14617Robertson County6,71618Sevier County6,53019Loudon County6,43920Tipton County6,422

Biggest Tennessee outages of 2019

CountyBeganPeak customers out
Davidson CountyJune 22, 201942,695
Montgomery CountyOctober 26, 201936,834
Shelby CountyOctober 20, 201935,329
Davidson CountyJune 21, 201929,581
Cumberland CountyOctober 26, 201926,263
Davidson CountyAugust 6, 201924,203
Bledsoe CountyOctober 26, 201923,501
Knox CountyOctober 22, 201923,075
Knox CountyJune 20, 201919,008
Knox CountyApril 26, 201918,471
Tennessee by year:20252024202320222021202020182017
Other states in 2019:WVNCMILACAVT

Part of the 2019 US Power Outage Report. Source: DOE/ORNL EAGLE-I. “Avg hours per customer” is a SAIDI-like measure (outage customer-minutes ÷ tracked customers); coverage varies by year.