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2024 Tennessee Power Outage Report

In 2024, the average Tennessee customer went without power for about 4.8 hours — the 29th worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
4.8
Peak customers out
62,351
Rank (worst state)
29th
Counties affected
20

Tennessee outages over the decade

Average hours without power per customer, 2024 highlighted.

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

Hardest-hit Tennessee counties in 2024

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

1Hamilton County62,3512Shelby County37,7183Washington County28,6224Sullivan County21,5845Cumberland County19,1226Knox County18,9197Montgomery County18,1238Sumner County17,2229Hawkins County15,09210Giles County14,39111Davidson County12,69012Sevier County12,65613Blount County11,64414Coffee County11,61215Bradley County10,88016Campbell County9,66317Jefferson County9,00718Rutherford County8,97219Claiborne County8,86520Greene County8,785

Biggest Tennessee outages of 2024

CountyBeganPeak customers out
Hamilton CountyMay 21, 202462,351
Hamilton CountyJuly 7, 202437,858
Shelby CountyApril 1, 202437,718
Washington CountySeptember 27, 202428,622
Shelby CountySeptember 11, 202424,582
Hamilton CountyMay 8, 202422,237
Sullivan CountySeptember 23, 202421,584
Shelby CountyDecember 1, 202420,913
Cumberland CountyMay 23, 202419,122
Cumberland CountyMay 27, 202419,101
Tennessee by year:20252023202220212020201920182017
Other states in 2024:NCSCMEGATXFL

Part of the 2024 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.