massoutage

2022 South Carolina Power Outage Report

In 2022, the average South Carolina customer went without power for about 4.4 hours, the 22nd worst of 51 states (US average 6.2 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
4.4
vs prior year
▲ 106%
vs 2021
Customer-hours out
12.5M
Peak customers out
248,340
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, 2022

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

CSVJSON
South Carolina customer-hours without power by month, 2022Jan 3.1M, Feb 111K, Mar 425K, Apr 103K, May 623K, Jun 1.4M, Jul 826K, Aug 629K, Sep 1.9M, Oct 1.6M, Nov 414K, Dec 1.4M01M2M3M4M3.1MJan111KFeb425KMar103KApr623KMay1.4MJun826KJul629KAug1.9MSep1.6MOct414KNov1.4MDec
Use the arrow keys to read values.

All 46 South Carolina counties, 2022

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

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Lee County21.8124K5,6754,774374
2McCormick County14.459K4,0914,091249
3Marion County13.0110K8,4972,836419
4Chesterfield County13.0209K16,1535,479612
5Newberry County12.8299K23,3769,725401
6Lancaster County12.2636K52,27414,374695
7Chester County11.5236K20,5483,348480
8Oconee County9.8396K40,42511,995656
9Colleton County8.8179K20,3556,683696
10Williamsburg County8.6184K21,4557,036701
11Darlington County8.6165K19,2115,905617
12Fairfield County7.5105K13,9832,650407
13Georgetown County7.4342K46,01024,329774
14Dillon County6.869K10,0992,798405
15Abbeville County6.665K9,8461,908428
16Bamberg County6.052K8,7283,408301
17Anderson County5.9598K101,52015,559585
18Florence County5.7309K54,5648,601894
19Saluda County5.565K11,8244,402491
20Barnwell County5.458K10,6284,125435
21Marlboro County5.278K14,9592,543239
22Sumter County5.1218K42,5159,719795
23Greenville County5.11.1M208,04019,775396
24Charleston County5.01.2M231,04677,760724
25Edgefield County5.063K12,7174,610478
26Allendale County4.822K4,6391,715199
27Kershaw County4.4190K43,1989,062665
28Pickens County4.3319K74,0396,872751
29Dorchester County4.2311K73,26925,331827
30Horry County4.21.1M259,18988,0181,171
31Clarendon County4.173K17,8092,303685
32Greenwood County4.0162K40,6954,582465
33Cherokee County4.0158K39,74112,546514
34Calhoun County3.935K9,1472,011368
35Jasper County3.765K17,7027,289511
36Hampton County3.531K8,8861,562356
37Spartanburg County3.4499K147,55811,666538
38Aiken County3.2258K79,30915,324945
39Berkeley County2.9463K162,21137,481888
40Laurens County2.8202K71,5495,477709
41Richland County2.7608K227,55922,896903
42Lexington County2.6433K165,90421,1201,011
43Orangeburg County2.2127K58,6248,076678
44York County2.1368K173,4887,326703
45Beaufort County2.0255K127,28915,283883
46Union County0.921K21,9401,101143

Biggest South Carolina outages of 2022

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

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Horry County, SCSeptember 29, 2022 22:00October 3, 2022 02:303d 4h88,018743K
2Charleston County, SCSeptember 29, 2022 16:00October 7, 2022 05:157d 13h77,760820K
3Berkeley County, SCSeptember 30, 2022 07:30October 3, 2022 08:003d37,481293K
4Horry County, SCSeptember 1, 2022 20:15September 2, 2022 02:306h 15m27,88749K
5Dorchester County, SCSeptember 30, 2022 08:15October 2, 2022 23:302d 15h25,331145K
6Georgetown County, SCSeptember 30, 2022 10:30October 3, 2022 02:152d 15h24,329273K
7Richland County, SCJanuary 2, 2022 23:30January 5, 2022 05:302d 6h22,896166K
8Lexington County, SCJanuary 2, 2022 12:15January 5, 2022 03:002d 14h21,12082K
9Greenville County, SCJune 1, 2022 11:15June 2, 2022 10:0022h 45m19,77526K
10Richland County, SCSeptember 28, 2022 22:30October 2, 2022 07:453d 9h17,15964K
11Richland County, SCJanuary 16, 2022 12:00January 18, 2022 05:151d 17h16,15784K
12Anderson County, SCDecember 23, 2022 07:15December 25, 2022 19:452d 12h15,559227K
13Aiken County, SCJanuary 3, 2022 04:00January 4, 2022 23:451d 19h15,32487K
14Beaufort County, SCJuly 10, 2022 16:00July 11, 2022 05:0013h15,28336K
15Greenville County, SCDecember 23, 2022 08:00December 26, 2022 05:002d 21h15,206194K
16Lancaster County, SCJanuary 16, 2022 04:00January 20, 2022 01:453d 21h14,374260K
17Lexington County, SCDecember 23, 2022 08:30December 24, 2022 22:151d 13h12,89172K
18Cherokee County, SCJune 16, 2022 19:45June 18, 2022 04:301d 8h12,54659K
19Oconee County, SCJanuary 16, 2022 10:00January 19, 2022 03:302d 17h11,995247K
20Spartanburg County, SCDecember 23, 2022 07:15December 26, 2022 04:152d 21h11,666100K
21Richland County, SCDecember 23, 2022 08:45December 24, 2022 08:3023h 45m11,55845K
22Greenville County, SCJanuary 16, 2022 09:15January 18, 2022 05:001d 19h10,717105K
23Richland County, SCJune 16, 2022 12:30June 19, 2022 07:152d 18h10,49443K
24Dorchester County, SCDecember 24, 2022 11:00December 25, 2022 05:0018h9,9013,254
25Horry County, SCDecember 24, 2022 02:45December 25, 2022 00:0021h 15m9,7733,808
EAGLE-I tracked about 99% of South Carolina's electricity customers in 2022; 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:2025202420232021202020192018201720162015
Other states in 2022:MEFLWVNCVTAKMIVA

Part of the 2022 US Power Outage Report.

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