massoutage

2017 South Carolina Power Outage Report

In 2017, the average South Carolina customer went without power for about 4.4 hours, the 14th worst of 51 states (US average 7.3 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
4.4
vs prior year
▼ 66%
vs 2016
Customer-hours out
12.6M
Peak customers out
262,765
across the state at once
EAGLE-I coverage
n/a
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, 2017

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

CSVJSON
South Carolina customer-hours without power by month, 2017Jan 228K, Feb 177K, Mar 715K, Apr 601K, May 553K, Jun 449K, Jul 697K, Aug 412K, Sep 7.5M, Oct 877K, Nov 166K, Dec 222K02M4M6M8M228KJan177KFeb715KMar601KApr553KMay449KJun697KJul412KAug7.5MSep877KOct166KNov222KDec
Use the arrow keys to read values.

All 46 South Carolina counties, 2017

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

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1McCormick County38.7158K4,0914,091223
2Abbeville County19.9196K9,8466,694424
3Colleton County14.2289K20,35511,277811
4Anderson County12.21.2M101,52027,678709
5Saluda County12.0142K11,8246,211606
6Pickens County9.4699K74,03915,242616
7Greenville County9.11.9M208,04033,465456
8Hampton County9.080K8,8863,719416
9Oconee County8.5346K40,4256,933380
10Edgefield County7.9101K12,7173,991555
11Marion County7.564K8,4974,259429
12Beaufort County7.1904K127,28937,719931
13Jasper County6.9123K17,7024,360533
14Greenwood County6.2254K40,6956,014523
15Spartanburg County5.8852K147,55820,577694
16Charleston County5.71.3M231,04662,562851
17Aiken County5.7453K79,30924,3961,166
18Barnwell County5.357K10,6285,426456
19Allendale County5.124K4,6392,526276
20Bamberg County4.741K8,7282,372330
21Chester County4.592K20,5482,178472
22Lee County4.324K5,6753,900347
23Williamsburg County3.881K21,4555,092588
24Lexington County3.6599K165,90430,5651,322
25Lancaster County3.5185K52,27411,923605
26Dillon County3.435K10,0991,107405
27Sumter County3.0127K42,5157,795741
28Fairfield County3.041K13,9832,650347
29Laurens County2.9209K71,5496,314905
30Dorchester County2.9213K73,26916,079931
31Darlington County2.752K19,2111,789649
32Florence County2.7148K54,5643,406985
33Clarendon County2.646K17,8096,701491
34Cherokee County2.599K39,7414,511538
35Chesterfield County2.439K16,1531,210474
36Richland County2.2504K227,55917,5471,240
37Georgetown County2.090K46,0102,837576
38Newberry County1.739K23,3761,451163
39Berkeley County1.2202K162,21117,445679
40Orangeburg County1.272K58,6245,775730
41York County1.2205K173,4885,899590
42Marlboro County1.015K14,9591,484301
43Union County0.921K21,940842178
44Calhoun County0.98,1259,1471,954277
45Kershaw County0.836K43,1982,976467
46Horry County0.5132K259,1898,0141,019

Biggest South Carolina outages of 2017

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

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Charleston County, SCSeptember 11, 2017 06:30September 15, 2017 05:453d 23h62,5621.0M
2Beaufort County, SCSeptember 11, 2017 03:30September 16, 2017 05:305d 2h37,719733K
3Greenville County, SCSeptember 11, 2017 01:45September 16, 2017 09:305d 7h33,4651.0M
4Lexington County, SCSeptember 11, 2017 10:30September 14, 2017 02:152d 15h30,565302K
5Anderson County, SCSeptember 10, 2017 12:45September 17, 2017 07:306d 18h27,678871K
6Aiken County, SCSeptember 11, 2017 08:15September 14, 2017 19:003d 10h24,396247K
7Spartanburg County, SCOctober 23, 2017 07:15October 27, 2017 04:153d 21h20,577381K
8Charleston County, SCMarch 22, 2017 05:00March 22, 2017 15:0010h19,11212K
9Greenville County, SCMarch 2, 2017 00:15March 5, 2017 08:153d 8h18,962215K
10Richland County, SCSeptember 11, 2017 09:45September 14, 2017 02:002d 16h17,547220K
11Berkeley County, SCSeptember 11, 2017 10:30September 14, 2017 01:452d 15h17,445124K
12Dorchester County, SCSeptember 11, 2017 12:15September 14, 2017 03:152d 15h16,079114K
13Charleston County, SCDecember 17, 2017 00:45December 18, 2017 21:001d 20h15,84211K
14Pickens County, SCSeptember 11, 2017 16:15September 16, 2017 03:304d 11h15,242579K
15Lexington County, SCMarch 22, 2017 01:45March 23, 2017 02:001d14,97074K
16Lancaster County, SCSeptember 11, 2017 16:15September 14, 2017 13:452d 21h11,92363K
17Beaufort County, SCJuly 25, 2017 15:00July 25, 2017 23:158h 15m11,7983,018
18Beaufort County, SCJune 22, 2017 12:45June 22, 2017 23:3010h 45m11,7243,005
19Colleton County, SCSeptember 11, 2017 07:15September 14, 2017 22:153d 15h11,277205K
20Richland County, SCJuly 23, 2017 19:45July 25, 2017 08:301d 12h10,84924K
21Aiken County, SCJuly 26, 2017 16:45July 27, 2017 04:4512h10,01216K
22Beaufort County, SCNovember 19, 2017 01:45November 19, 2017 04:002h 15m9,7915,272
23Greenville County, SCMarch 21, 2017 14:00March 23, 2017 05:151d 15h8,92215K
24Horry County, SCMay 23, 2017 20:15May 24, 2017 00:154h8,01420K
25Sumter County, SCAugust 29, 2017 18:30August 30, 2017 01:307h7,79512K
EAGLE-I tracked about n/a of South Carolina's electricity customers in 2017; 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:2025202420232022202120202019201820162015
Other states in 2017:FLMEWVNHGARIVTNC

Part of the 2017 US Power Outage Report.

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