massoutage

2018 South Carolina Power Outage Report

In 2018, the average South Carolina customer went without power for about 5.2 hours — the 17th worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
5.2
Peak customers out
60,062
Rank (worst state)
17th
Counties affected
20

South Carolina outages over the decade

Average hours without power per customer, 2018 highlighted.

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

Hardest-hit South Carolina counties in 2018

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

1Greenville County60,0622Horry County46,3563Lexington County39,4484Spartanburg County30,2535Richland County21,3586Aiken County19,0967Beaufort County16,3718Dorchester County14,4219Berkeley County13,73910Florence County12,74011Charleston County11,57712Anderson County10,73313Dillon County10,66214Sumter County10,39715Marion County10,38516Pickens County10,08617Colleton County7,99118Darlington County7,09419York County6,58720Chesterfield County5,354

Biggest South Carolina outages of 2018

CountyBeganPeak customers out
Greenville CountyDecember 9, 201860,062
Horry CountySeptember 15, 201846,356
Horry CountySeptember 13, 201840,722
Lexington CountyApril 13, 201839,448
Spartanburg CountyDecember 8, 201830,253
Richland CountyOctober 11, 201821,358
Richland CountyApril 15, 201820,399
Aiken CountyOctober 11, 201819,096
Beaufort CountyOctober 11, 201816,371
Dorchester CountyFebruary 7, 201814,421
South Carolina by year:20252024202320222021202020192017
Other states in 2018:NCVAWVMARIVT

Part of the 2018 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.