massoutage

2023 South Carolina Power Outage Report

In 2023, the average South Carolina customer went without power for about 2.7 hours, the 35th worst of 51 states (US average 6.7 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
2.7
vs prior year
▼ 39%
vs 2022
Customer-hours out
7.6M
Peak customers out
58,975
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, 2023

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

CSVJSON
South Carolina customer-hours without power by month, 2023Jan 404K, Feb 340K, Mar 586K, Apr 707K, May 501K, Jun 826K, Jul 1.2M, Aug 1.4M, Sep 453K, Oct 270K, Nov 257K, Dec 651K0500k1M1.5M404KJan340KFeb586KMar707KApr501KMay826KJun1.2MJul1.4MAug453KSep270KOct257KNov651KDec
Use the arrow keys to read values.

All 46 South Carolina counties, 2023

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

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1McCormick County19.078K4,0914,091270
2Newberry County13.3310K23,3763,005477
3Chesterfield County6.4103K16,1536,752663
4Abbeville County6.362K9,8461,874539
5Colleton County6.0122K20,3555,454751
6Anderson County5.7583K101,52017,578575
7Allendale County5.726K4,6391,028250
8Jasper County5.190K17,7023,941576
9Hampton County5.044K8,8863,395474
10Bamberg County5.044K8,7283,135433
11Marion County4.740K8,4971,487468
12Florence County4.5246K54,5648,302934
13Fairfield County4.360K13,9832,817467
14Oconee County4.3174K40,4257,824770
15Lee County4.324K5,6751,531385
16Clarendon County4.173K17,8092,121762
17Edgefield County4.152K12,7174,367596
18Greenville County3.6756K208,0405,379473
19Saluda County3.643K11,8243,987623
20Barnwell County3.537K10,6283,835536
21Williamsburg County3.574K21,4555,856717
22Beaufort County3.3419K127,28954,600967
23Spartanburg County3.2473K147,5586,737578
24Sumter County3.2135K42,5154,387833
25Greenwood County3.1125K40,6954,523548
26Calhoun County2.927K9,1471,348612
27Dillon County2.727K10,0991,196429
28Aiken County2.6204K79,3099,1711,096
29Pickens County2.6189K74,0397,504785
30Lancaster County2.5129K52,2743,071745
31Chester County2.450K20,5482,361486
32Dorchester County2.4175K73,26924,2221,035
33Laurens County2.1153K71,5494,340832
34Darlington County2.141K19,2115,281624
35Richland County2.0465K227,55923,883951
36Lexington County2.0339K165,90414,3071,054
37Charleston County1.8426K231,04619,706798
38Orangeburg County1.799K58,6245,755854
39Horry County1.7432K259,18929,8271,137
40Kershaw County1.669K43,1983,257718
41York County1.5255K173,48812,378773
42Cherokee County1.455K39,7412,549542
43Georgetown County1.255K46,0103,102718
44Berkeley County1.2195K162,2116,8081,080
45Marlboro County0.913K14,9591,002248
46Union County0.49,14421,9401,232166

Biggest South Carolina outages of 2023

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

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Beaufort County, SCMarch 29, 2023 09:15March 29, 2023 19:009h 45m54,600126K
2Beaufort County, SCSeptember 25, 2023 11:15September 25, 2023 15:454h 30m30,53815K
3Horry County, SCDecember 17, 2023 15:45December 19, 2023 00:001d 8h29,827121K
4Dorchester County, SCNovember 4, 2023 11:45November 4, 2023 17:456h24,22215K
5Richland County, SCFebruary 6, 2023 14:15February 7, 2023 01:1511h23,8839,273
6Horry County, SCDecember 11, 2023 05:30December 12, 2023 03:3022h22,44478K
7Charleston County, SCAugust 30, 2023 09:45September 1, 2023 02:001d 16h19,70654K
8Anderson County, SCApril 28, 2023 02:15May 6, 2023 13:008d 10h17,57883K
9Dorchester County, SCFebruary 19, 2023 06:45February 19, 2023 20:1513h 30m15,7508,012
10Lexington County, SCSeptember 10, 2023 11:45September 14, 2023 02:003d 14h14,30710K
11York County, SCFebruary 23, 2023 13:45February 23, 2023 15:452h12,37811K
12Charleston County, SCFebruary 22, 2023 12:00February 22, 2023 21:459h 45m11,2303,305
13Richland County, SCAugust 7, 2023 11:30August 9, 2023 02:451d 15h11,11523K
14York County, SCJune 26, 2023 02:30June 26, 2023 07:154h 45m10,96710K
15Richland County, SCJune 19, 2023 04:30June 19, 2023 05:0030m10,8412,711
16Richland County, SCAugust 3, 2023 11:30August 3, 2023 17:456h 15m10,7866,376
17Lexington County, SCJune 22, 2023 11:15June 28, 2023 08:155d 21h10,77644K
18Anderson County, SCFebruary 6, 2023 17:30February 7, 2023 02:008h 30m10,13414K
19York County, SCApril 7, 2023 11:15April 8, 2023 08:0020h 45m9,94617K
20Richland County, SCApril 30, 2023 11:45May 6, 2023 14:306d 2h9,8158,363
21Beaufort County, SCApril 30, 2023 11:45May 1, 2023 02:0014h 15m9,79426K
22Lexington County, SCSeptember 7, 2023 12:15September 9, 2023 04:451d 16h9,76424K
23Beaufort County, SCAugust 9, 2023 00:45August 9, 2023 05:455h9,52711K
24Beaufort County, SCAugust 30, 2023 09:15September 2, 2023 07:452d 22h9,26799K
25Aiken County, SCJuly 21, 2023 00:30July 23, 2023 00:452d9,17161K
EAGLE-I tracked about n/a of South Carolina's electricity customers in 2023; 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:2025202420222021202020192018201720162015
Other states in 2023:MEMIKYOKARWVLAMS

Part of the 2023 US Power Outage Report.

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