Outage Almanac

South Carolina power outages

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

South Carolina averaged 0.94 times the US outage time per person

That ranks 18 of 50 states and DC, where 1 has the most. October and September made up 57% of outage time. Records run from 2015 to 2023, and some counties start later.

Marion County had the most outage time per resident of 46 rated counties.

Counties ranked by outage time

RankCountyMajor outages per yearLongest (hours)Times US rate
1Marion County1.82873.35
2Dillon County1.31733.22
3Colleton County1.81402.50
4McCormick County1.3402.06
5Lee County1.81411.99
6Oconee County3.73701.97
7Florence County2.41641.77
8Williamsburg County2.01651.73
9Hampton County1.11201.67
10Darlington County2.11441.58
11Allendale County0.8941.50
12Beaufort County1.41851.42
13Chesterfield County2.2981.38
14Horry County1.31951.34
15Charleston County1.61171.30
16Georgetown County1.31391.28
17Clarendon County1.61221.27
18Pickens County2.81031.24
18Sumter County2.21201.24
20Anderson County4.4821.20
20Jasper County1.21501.20
22Marlboro County1.4921.12
23Abbeville County2.2541.11
24Fairfield County2.1360.93
24Greenville County2.71060.93
26Saluda County0.9310.91
27Chester County2.41280.90
28Bamberg County1.1520.89
29Greenwood County1.8750.84
30Dorchester County1.41180.81
31Orangeburg County2.11170.79
32Barnwell County1.3360.78
33Calhoun County0.4970.76
33Newberry County1.9600.76
35Laurens County1.71670.74
36Spartanburg County2.4870.71
37Lancaster County2.8560.68
38Edgefield County1.3330.49
39Berkeley County1.0980.44
39Richland County3.1710.44
41Aiken County1.7510.43
41Lexington County2.8530.43
43Cherokee County1.3320.40
43Kershaw County1.2760.40
45York County1.3370.25
46Union County0.2500.15

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

When outages hit South Carolina

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

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JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD