massoutage

2015 Tennessee Power Outage Report

In 2015, the average Tennessee customer went without power for about 2.4 hours — the 24th worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
2.4
Peak customers out
38,123
Rank (worst state)
24th
Counties affected
20

Tennessee outages over the decade

Average hours without power per customer, 2015 highlighted.

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

Hardest-hit Tennessee counties in 2015

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

1Shelby County38,1232Davidson County30,3363Knox County10,9894Rutherford County9,4185Blount County8,2126Monroe County8,0497Robertson County7,5948Sumner County7,5729Union County7,50310Sevier County7,18811Cannon County6,61512Coffee County6,59413Wilson County6,29614Anderson County5,57615Williamson County5,41316Clay County5,04517Macon County4,20418Marshall County3,34519Smith County3,26320Sullivan County2,843

Biggest Tennessee outages of 2015

CountyBeganPeak customers out
Shelby CountyAugust 5, 201538,123
Davidson CountyJuly 26, 201530,336
Shelby CountyJuly 12, 201527,678
Davidson CountyNovember 28, 201518,009
Shelby CountyNovember 14, 201514,633
Shelby CountyJune 7, 201512,889
Davidson CountyJuly 13, 201512,295
Davidson CountyApril 9, 201511,259
Knox CountyAugust 13, 201510,989
Shelby CountyJuly 20, 201510,857
Tennessee by year:20252024202320222021202020192018
Other states in 2015:WVWANCMIRILA

Part of the 2015 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.