massoutage

2019 South Carolina Power Outage Report

In 2019, the average South Carolina customer went without power for about 4.8 hours, the 14th worst of 51 states (US average 4.6 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
4.8
vs prior year
▼ 7%
vs 2018
Customer-hours out
13.6M
Peak customers out
245,410
across the state at once
EAGLE-I coverage
99%
of SC customers
Counties reporting
46

South Carolina year over year

South Carolina: average hours without power per customer by year2015: 2.5h; 2016: 13.0h; 2017: 4.4h; 2018: 5.2h, coverage 99%; 2019: 4.8h, coverage 99%; 2020: 5.7h, coverage 99%; 2021: 2.1h, coverage 99%; 2022: 4.4h, coverage 99%; 2023: 2.7h; 2024: 48.3h; 2025: 3.0h02040600%50%100%2.5h201513.0h20164.4h20175.2h20184.8h20195.7h20202.1h20214.4h20222.7h202348.3h20243.0h2025
Use the arrow keys to read values.
Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Month by month, 2019

Customer-hours without power across South Carolina; September was the worst.

CSVJSON
South Carolina customer-hours without power by month, 2019Jan 345K, Feb 269K, Mar 290K, Apr 893K, May 423K, Jun 2.0M, Jul 558K, Aug 396K, Sep 7.6M, Oct 268K, Nov 209K, Dec 341K02M4M6M8M345KJan269KFeb290KMar893KApr423KMay2.0MJun558KJul396KAug7.6MSep268KOct209KNov341KDec
Use the arrow keys to read values.

All 46 South Carolina counties, 2019

Ranked by average hours without power per customer. Each county links to its annual report.

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Charleston County21.34.9M231,046137,536743
2McCormick County17.973K4,0912,733232
3Colleton County15.0305K20,3559,219652
4Abbeville County13.7135K9,8464,808348
5Dorchester County11.2819K73,26941,166831
6Marion County7.866K8,4971,411475
7Dillon County7.070K10,0999,082530
8Georgetown County6.6303K46,0109,974553
9Berkeley County6.1992K162,21138,691794
10Clarendon County5.9105K17,8095,407526
11Williamsburg County5.5119K21,4553,456659
12Hampton County4.843K8,8866,397333
13Lee County4.727K5,6752,233243
14Saluda County4.554K11,8244,830442
15Greenwood County4.5182K40,6955,423497
16Chesterfield County4.370K16,1536,194634
17Edgefield County4.253K12,7171,739512
18Beaufort County4.1523K127,28922,756812
19Barnwell County4.144K10,6282,874267
20Lancaster County4.0209K52,27410,435713
21Sumter County3.9167K42,51514,520836
22Darlington County3.771K19,2114,053786
23Aiken County3.7292K79,30916,271907
24Calhoun County3.633K9,1472,081435
25Anderson County3.4343K101,5205,954540
26Greenville County3.2671K208,04021,155498
27Jasper County3.154K17,7023,319388
28Fairfield County2.838K13,9831,526255
29Allendale County2.712K4,6391,083238
30Lexington County2.6436K165,90430,9971,102
31Richland County2.6597K227,55933,8401,041
32Chester County2.551K20,5482,129454
33Oconee County2.599K40,4256,666714
34Bamberg County2.421K8,7281,020194
35Spartanburg County2.3337K147,5584,219691
36Florence County2.2119K54,56423,390982
37Kershaw County2.191K43,1985,420545
38Newberry County2.047K23,3763,081179
39Orangeburg County2.0119K58,6244,274830
40Laurens County1.9138K71,5494,681657
41Horry County1.8459K259,18929,882512
42Pickens County1.8131K74,0392,851777
43Marlboro County1.523K14,9591,918320
44Cherokee County0.935K39,7411,352356
45Union County0.817K21,9401,168168
46York County0.7117K173,4882,902655

Biggest South Carolina outages of 2019

Up to 25 county outage episodes with the most customers out at once.

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Charleston County, SCSeptember 4, 2019 11:30September 13, 2019 03:458d 16h137,5364.5M
2Dorchester County, SCSeptember 5, 2019 01:30September 9, 2019 11:454d 10h41,166697K
3Berkeley County, SCSeptember 4, 2019 12:30September 8, 2019 22:004d 9h38,691714K
4Richland County, SCJune 20, 2019 14:00June 26, 2019 05:305d 15h33,840346K
5Lexington County, SCJune 20, 2019 19:30June 23, 2019 21:303d 2h30,997204K
6Horry County, SCSeptember 5, 2019 09:45September 8, 2019 00:302d 14h29,882409K
7Florence County, SCDecember 19, 2019 17:30December 19, 2019 17:4515m23,3905,848
8Beaufort County, SCSeptember 4, 2019 13:30September 8, 2019 02:303d 13h22,756360K
9Greenville County, SCApril 26, 2019 13:00April 27, 2019 19:451d 6h21,15527K
10Aiken County, SCApril 25, 2019 06:30April 25, 2019 11:305h16,27128K
11Sumter County, SCJuly 13, 2019 17:30July 14, 2019 03:159h 45m14,52021K
12Beaufort County, SCJanuary 23, 2019 22:00January 25, 2019 03:151d 5h12,28319K
13Aiken County, SCJune 19, 2019 01:30June 23, 2019 06:004d 4h11,688127K
14Charleston County, SCMay 1, 2019 10:15May 2, 2019 10:151d11,02311K
15Lancaster County, SCApril 19, 2019 18:45April 21, 2019 20:002d 1h10,435108K
16Richland County, SCOctober 4, 2019 12:45October 4, 2019 16:454h10,2585,170
17Georgetown County, SCSeptember 5, 2019 02:30September 8, 2019 04:153d 1h9,974252K
18Colleton County, SCJune 14, 2019 09:30June 14, 2019 10:301h9,2192,305
19Dillon County, SCDecember 19, 2019 14:45December 19, 2019 19:455h9,0822,328
20Berkeley County, SCJune 22, 2019 09:30June 23, 2019 06:0020h 30m8,68917K
21Charleston County, SCApril 19, 2019 10:00April 20, 2019 07:4521h 45m8,57035K
22Greenville County, SCFebruary 24, 2019 15:45February 26, 2019 04:151d 12h8,26150K
23Colleton County, SCSeptember 5, 2019 03:30September 8, 2019 14:003d 10h7,506199K
24Berkeley County, SCJune 29, 2019 21:00June 30, 2019 18:1521h 15m7,19318K
25Colleton County, SCApril 19, 2019 12:30April 21, 2019 02:301d 14h7,04340K
EAGLE-I tracked about 99% of South Carolina's electricity customers in 2019; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
South Carolina by year:2025202420232022202120202018201720162015
Other states in 2019:WVMINCLACAVTVAAR

Part of the 2019 US Power Outage Report.

Data from DOE EAGLE-I, every source we read.