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 any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
2.7
Peak customers out
54,600
Rank (worst state)
35th
Counties affected
20

South Carolina outages over the decade

Average hours without power per customer, 2023 highlighted.

2.5h201513.0h20164.4h20175.2h20184.8h20195.7h20202.1h20214.4h20222.7h202350.1h20243.0h2025

Hardest-hit South Carolina counties in 2023

By peak customers out during the year's worst event.

1Beaufort County54,6002Horry County29,8273Dorchester County24,2224Richland County23,8835Charleston County19,7066Anderson County17,5787Lexington County14,3078York County12,3789Aiken County9,17110Florence County8,30211Oconee County7,82412Pickens County7,50413Berkeley County6,80814Chesterfield County6,75215Spartanburg County6,73716Williamsburg County5,85617Orangeburg County5,75518Colleton County5,45419Greenville County5,37920Darlington County5,281

Biggest South Carolina outages of 2023

CountyBeganPeak customers out
Beaufort CountyMarch 29, 202354,600
Beaufort CountySeptember 25, 202330,538
Horry CountyDecember 17, 202329,827
Dorchester CountyNovember 4, 202324,222
Richland CountyFebruary 6, 202323,883
Horry CountyDecember 11, 202322,444
Charleston CountyAugust 30, 202319,706
Anderson CountyApril 28, 202317,578
Dorchester CountyFebruary 19, 202315,750
Lexington CountySeptember 10, 202314,307
South Carolina by year:20252024202220212020201920182017
Other states in 2023:MEMIKYOKARWV

Part of the 2023 US Power Outage Report. Source: DOE/ORNL EAGLE-I. “Avg hours per customer” is a SAIDI-like measure (outage customer-minutes ÷ tracked customers); coverage varies by year.