Tennessee power outages

79 counties with outage records. Pick one to see its history.

Tennessee averaged 0.94 times the US outage time per person

That ranks 19 of 50 states and DC, where 1 has the most. May and February made up 29% of outage time. Records run from 2015 to 2023, and some counties start later.

Shelby County had the most outage time per resident of 78 rated counties.

Counties ranked by outage time

RankCountyMajor outages per yearLongest (hours)Times US rate
1Shelby County7.23052.99
2Sevier County6.02192.67
3Henry County1.8742.27
4Stewart County1.61442.02
5Fentress County1.6231.89
6Clay County0.4171.77
7Meigs County1.6161.68
8Fayette County2.0761.53
9Cumberland County3.0571.44
10Polk County2.0451.34
11Pickett County0.6151.25
12Monroe County2.4521.21
13Davidson County4.21741.17
14Bradley County4.61101.10
15Giles County1.8211.06
16Macon County1.0361.03
17Rhea County1.8500.96
18Crockett County0.5260.95
19Tipton County2.11040.94
20Moore County0.9440.93
20Union County1.3200.93
22Madison County1.9490.85
23Obion County1.41120.82
24Claiborne County1.0390.78
25Cheatham County1.2870.76
26Chester County1.0460.75
27Blount County3.1640.72
27Hawkins County1.7580.72
29Knox County5.6560.70
29Lawrence County1.0180.70
31Robertson County1.1480.69
32Trousdale County0.1110.64
33Grundy County1.2440.63
34Lake County0.4150.61
35Haywood County0.7300.59
35Sullivan County2.0760.59
35Sumner County2.0980.59
38Hancock County0.0None0.54
39Jefferson County1.0630.53
40Coffee County1.7680.51
40McMinn County2.4330.51
40Montgomery County1.71440.51
43Bedford County1.3700.50
43Campbell County1.0400.50
45Maury County1.0520.45
45Van Buren County0.4150.45
47Cocke County1.7640.44
48Loudon County1.2450.37
48Sequatchie County0.2260.37
50Grainger County0.8220.36
51Cannon County0.3260.33
52Wilson County0.7640.32
53Franklin County1.0180.31
53Roane County0.9220.31
55Gibson County0.9260.28
56Washington County1.1300.27
57Marshall County0.7280.26
58White County0.4570.25
59Greene County0.6100.22
60Anderson County0.7470.18
61Hamblen County0.7200.17
61Williamson County0.8340.17
63Overton County0.2110.16
64Hardeman County0.4420.15
64Henderson County0.3280.15
64Unicoi County0.280.15
67Rutherford County0.8290.13
67Smith County0.0None0.13
69Marion County0.2260.12
70Hamilton County0.6200.11
71Dyer County0.4400.08
72Lauderdale County0.3110.06
72Morgan County0.2110.06
74DeKalb County0.0None0.04
74Putnam County0.2180.04
74Scott County0.290.04
77Jackson County0.0None0.01
78Lincoln County0.0None0.00

Rank uses outage time per resident. Times US rate compares each county with the national average.

When outages hit Tennessee

Share of the state's customer-hours by month.

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JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Not rated

These counties have short histories, very small populations, or customer counts that look too high for the population.