PowerOutageHistory

South Dakota Power Outage History

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

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Current time in South Dakota
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· Standard time
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Counties tracked
65
Avg national percentile
77th
Higher = more reliable
Grade F counties
0
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South Dakota county map

Lawrence County: Grade B (click for details)Minnehaha County: Grade B (click for details)Turner County: Grade B (click for details)Aurora County: Grade A (click for details)Lake County: Grade B (click for details)Hyde County: Grade B (click for details)Bennett County: Grade ABuffalo County: Grade A (click for details)Miner County: Grade C (click for details)Clark County: Grade B (click for details)Gregory County: Grade A (click for details)Douglas County: Grade A (click for details)Marshall County: Grade D (click for details)Codington County: Grade A (click for details)Hutchinson County: Grade A (click for details)Butte County: Grade A (click for details)Hand County: Grade A (click for details)Kingsbury County: Grade B (click for details)Davison County: Grade A (click for details)Lyman County: Grade A (click for details)Edmunds County: Grade A (click for details)Fall River County: Grade B (click for details)Potter County: Grade A (click for details)Sanborn County: Grade C (click for details)Todd County: Grade B (click for details)Perkins County: Grade D (click for details)Hughes County: Grade A (click for details)Custer County: Grade D (click for details)Brule County: Grade B (click for details)Pennington County: Grade A (click for details)Spink County: Grade A (click for details)Union County: Grade A (click for details)Bon Homme County: Grade A (click for details)Clay County: Grade A (click for details)Grant County: Grade D (click for details)Dewey County: Grade A (click for details)Yankton County: Grade B (click for details)Jackson County: Grade B (click for details)Lincoln County: Grade A (click for details)Meade County: Grade A (click for details)Walworth County: Grade A (click for details)Jones County: Grade A (click for details)Harding County: Grade D (click for details)Corson County: Grade A (click for details)Tripp County: Grade A (click for details)Jerauld County: Grade A (click for details)Moody County: Grade C (click for details)SullyFaulk County: Grade B (click for details)McCook County: Grade C (click for details)Mellette County: Grade A (click for details)Roberts County: Grade A (click for details)Oglala Lakota County: Grade A (click for details)Stanley County: Grade A (click for details)Ziebach County: Grade A (click for details)Campbell County: Grade A (click for details)Brookings County: Grade A (click for details)Haakon County: Grade C (click for details)Beadle County: Grade B (click for details)Hanson County: Grade B (click for details)Hamlin County: Grade C (click for details)Day County: Grade B (click for details)McPherson County: Grade B (click for details)Charles Mix County: Grade A (click for details)Brown County: Grade A (click for details)Deuel County: Grade C (click for details)

Hover a county for its reliability grade

Reliability grade:ABCDF
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County rankings (worst to best)

CountyGradeNational percentile
Harding CountyD21st
Perkins CountyD29th
Custer CountyD30th
Grant CountyD31st
Marshall CountyD37th
McCook CountyC43rd
Hamlin CountyC47th
Sanborn CountyC49th
Miner CountyC53rd
Moody CountyC54th
Haakon CountyC57th
Deuel CountyC57th
Minnehaha CountyB61st
Turner CountyB64th
Day CountyB65th
Lake CountyB65th
Hanson CountyB65th
Fall River CountyB65th
Yankton CountyB65th
Kingsbury CountyB69th
Jackson CountyB69th
Clark CountyB69th
McPherson CountyB69th
Todd CountyB77th
Lawrence CountyB77th
Beadle CountyB78th
Hyde CountyB78th
Faulk CountyB79th
Brule CountyB80th
Lyman CountyA81st
Pennington CountyA81st
Ziebach CountyA81st
Jones CountyA82nd
Roberts CountyA83rd
Bon Homme CountyA85th
Butte CountyA85th
Union CountyA86th
Meade CountyA86th
Aurora CountyA87th
Spink CountyA89th
Brown CountyA90th
Charles Mix CountyA90th
Davison CountyA90th
Hutchinson CountyA90th
Douglas CountyA90th
Brookings CountyA91st
Mellette CountyA92nd
Lincoln CountyA92nd
Stanley CountyA93rd
Edmunds CountyA93rd
Campbell CountyA93rd
Walworth CountyA94th
Buffalo CountyA94th
Potter CountyA94th
Dewey CountyA96th
Hand CountyA96th
Oglala Lakota CountyA96th
Corson CountyA96th
Jerauld CountyA96th
Gregory CountyA98th
Hughes CountyA98th
Tripp CountyA98th
Codington CountyA98th
Bennett CountyNot ranked—
Clay CountyA100th
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