massoutage

2022 Tennessee Power Outage Report

In 2022, the average Tennessee customer went without power for about 9.2 hours — the 9th worst of any US state that year, 1.8× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
9.2
Peak customers out
137,794
Rank (worst state)
9th
Counties affected
20

Tennessee outages over the decade

Average hours without power per customer, 2022 highlighted.

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

Hardest-hit Tennessee counties in 2022

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

1Shelby County137,7942Davidson County123,2633Sevier County29,2294Knox County25,9535Madison County25,3896Rutherford County20,6377Hawkins County19,9708Montgomery County18,9439Bradley County13,73710Maury County13,10011Sumner County13,01412Washington County12,12213Cumberland County12,11814Williamson County10,18915Fayette County9,75816Blount County9,48117Claiborne County8,77918Jefferson County8,63419Greene County8,05320Macon County7,381

Biggest Tennessee outages of 2022

CountyBeganPeak customers out
Shelby CountyFebruary 3, 2022137,794
Davidson CountyDecember 22, 2022123,263
Shelby CountyDecember 22, 202284,234
Sevier CountyJanuary 3, 202229,229
Knox CountyMarch 17, 202225,953
Madison CountyDecember 24, 202225,389
Knox CountyDecember 23, 202224,576
Knox CountyJune 10, 202221,288
Davidson CountyJune 17, 202221,032
Knox CountyMay 1, 202220,708
Tennessee by year:20252024202320212020201920182017
Other states in 2022:MENCFLWVVTAK

Part of the 2022 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.