massoutage

2017 Tennessee Power Outage Report

In 2017, the average Tennessee customer went without power for about 5.6 hours — the 12th worst of any US state that year, 1.1× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
5.6
Peak customers out
155,108
Rank (worst state)
12th
Counties affected
20

Tennessee outages over the decade

Average hours without power per customer, 2017 highlighted.

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

Hardest-hit Tennessee counties in 2017

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

1Shelby County155,1082Knox County44,1513Davidson County21,7604Sevier County19,9705Williamson County7,5656Sumner County6,6467Blount County5,9648Montgomery County5,0579Trousdale County5,00510Giles County4,54311Madison County4,51312Hawkins County4,48013Macon County4,28314Gibson County4,20315Chester County4,04716Wilson County3,95717Anderson County3,55418Smith County3,39219Rutherford County3,37520Sullivan County3,170

Biggest Tennessee outages of 2017

CountyBeganPeak customers out
Shelby CountyMay 27, 2017155,108
Knox CountyMay 28, 201744,151
Shelby CountyJune 2, 201724,614
Shelby CountyAugust 31, 201724,421
Davidson CountySeptember 28, 201721,760
Sevier CountyMay 28, 201719,970
Shelby CountyApril 29, 201719,205
Knox CountyNovember 18, 201717,101
Davidson CountyMarch 1, 201714,945
Sevier CountyMay 4, 201714,877
Tennessee by year:20252024202320222021202020192018
Other states in 2017:FLMEWVNHGARI

Part of the 2017 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.