PowerOutageHistory

Tennessee Power Outage History

83 counties tracked, 2014–2025. County-level reliability grades and outage frequency below.

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Counties tracked
83
Avg national percentile
65th
Higher = more reliable
Grade F counties
1

Tennessee county map

Scott County: Grade A (click for details)Sequatchie County: Grade B (click for details)Bledsoe County: Grade C (click for details)Giles County: Grade D (click for details)Chester County: Grade C (click for details)Trousdale County: Grade C (click for details)Gibson County: Grade A (click for details)BentonLewis County: Grade AMadison County: Grade B (click for details)Washington County: Grade B (click for details)Crockett County: Grade C (click for details)Hancock County: Grade D (click for details)Smith County: Grade A (click for details)Loudon County: Grade B (click for details)Shelby County: Grade F (click for details)HoustonJohnsonMeigs County: Grade D (click for details)Cocke County: Grade B (click for details)Dickson County: Grade AGrainger County: Grade C (click for details)Hawkins County: Grade C (click for details)Henderson County: Grade A (click for details)Haywood County: Grade B (click for details)Tipton County: Grade D (click for details)McNairyPerryMaury County: Grade B (click for details)Sevier County: Grade D (click for details)Polk County: Grade D (click for details)Dyer County: Grade A (click for details)Coffee County: Grade B (click for details)WarrenSumner County: Grade C (click for details)Anderson County: Grade A (click for details)Clay County: Grade D (click for details)Greene County: Grade B (click for details)Fentress County: Grade D (click for details)Overton County: Grade A (click for details)Obion County: Grade B (click for details)Blount County: Grade C (click for details)CarrollHenry County: Grade D (click for details)Campbell County: Grade B (click for details)Jefferson County: Grade B (click for details)DeKalb County: Grade A (click for details)Stewart County: Grade D (click for details)White County: Grade A (click for details)HumphreysHardeman County: Grade A (click for details)CarterRobertson County: Grade C (click for details)Bradley County: Grade C (click for details)Weakley County: Grade AWilliamson County: Grade A (click for details)Pickett County: Grade D (click for details)Lawrence County: Grade B (click for details)Putnam County: Grade A (click for details)Davidson County: Grade D (click for details)Wilson County: Grade B (click for details)Union County: Grade D (click for details)Fayette County: Grade D (click for details)Franklin County: Grade B (click for details)Marion County: Grade B (click for details)Rutherford County: Grade A (click for details)Hickman County: Grade ACumberland County: Grade C (click for details)HardinLake County: Grade C (click for details)Roane County: Grade A (click for details)Grundy County: Grade D (click for details)Moore County: Grade D (click for details)Cannon County: Grade B (click for details)McMinn County: Grade B (click for details)Montgomery County: Grade B (click for details)WayneDecaturBedford County: Grade A (click for details)Hamblen County: Grade A (click for details)Jackson County: Grade A (click for details)Monroe County: Grade C (click for details)Unicoi County: Grade A (click for details)Lincoln County: Grade A (click for details)Marshall County: Grade B (click for details)Hamilton County: Grade A (click for details)Lauderdale County: Grade A (click for details)Morgan County: Grade A (click for details)Claiborne County: Grade B (click for details)Sullivan County: Grade C (click for details)Knox County: Grade C (click for details)Van Buren County: Grade A (click for details)Macon County: Grade D (click for details)Rhea County: Grade B (click for details)Cheatham County: Grade C (click for details)

Hover a county for its reliability grade

Reliability grade:ABCDF

County rankings (worst to best)

CountyGradeNational percentile
Shelby CountyF8th
Sevier CountyD20th
Stewart CountyD21st
Clay CountyD24th
Pickett CountyD26th
Meigs CountyD29th
Henry CountyD29th
Tipton CountyD30th
Macon CountyD31st
Union CountyD32nd
Giles CountyD33rd
Polk CountyD33rd
Fentress CountyD33rd
Davidson CountyD35th
Fayette CountyD36th
Hancock CountyD36th
Grundy CountyD37th
Moore CountyD39th
Chester CountyC40th
Hawkins CountyC41st
Monroe CountyC43rd
Crockett CountyC43rd
Bledsoe CountyC44th
Cheatham CountyC46th
Bradley CountyC47th
Grainger CountyC49th
Cumberland CountyC52nd
Knox CountyC52nd
Blount CountyC52nd
Trousdale CountyC52nd
Robertson CountyC53rd
Sullivan CountyC55th
Lake CountyC58th
Sumner CountyC59th
Rhea CountyB62nd
Obion CountyB62nd
Claiborne CountyB63rd
Cocke CountyB63rd
Campbell CountyB64th
Madison CountyB65th
Montgomery CountyB65th
Maury CountyB68th
Loudon CountyB69th
Coffee CountyB69th
Jefferson CountyB70th
Sequatchie CountyB70th
Haywood CountyB72nd
Lawrence CountyB74th
Greene CountyB76th
Marion CountyB77th
Marshall CountyB77th
Franklin CountyB78th
Cannon CountyB78th
McMinn CountyB78th
Wilson CountyB79th
Washington CountyB79th
Roane CountyA81st
Van Buren CountyA81st
Bedford CountyA83rd
White CountyA84th
Hamilton CountyA88th
Overton CountyA88th
Gibson CountyA88th
Hamblen CountyA90th
Williamson CountyA90th
Anderson CountyA91st
Smith CountyA92nd
Hardeman CountyA92nd
Rutherford CountyA92nd
Henderson CountyA94th
Morgan CountyA95th
Lauderdale CountyA95th
Dyer CountyA96th
Unicoi CountyA96th
DeKalb CountyA97th
Putnam CountyA98th
Scott CountyA98th
Jackson CountyA99th
Lincoln CountyA99th
Dickson CountyNot ranked—
Hickman CountyNot ranked—
Weakley CountyNot ranked—
Lewis CountyNot ranked—