PowerOutageHistory
Reliability Grade
C
Average
2014-2025
South Carolina

Laurens CountyPower Outage History

20142025 · South Carolina
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What this grade means

Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.

Takeaway
Typical outage risk
Reliability Rank
Fuller bar = more reliable
Nationwide48th pct
In South Carolina#22 of 46
See full South Carolina rankings →
Total events
565
Recorded 2014–2025
Avg duration
3.3 hrs
Per outage event
Longest outage
321 hrs
Single worst event on record
Customers served
143,868
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Sep 27, 2024321 hrs27,984 (19%)Tropical Storm
Jun 8, 202518 hrs8,421 (6%)Thunderstorm Wind
Sep 11, 201747 hrs6,314 (4%)Tropical Storm Irma
May 29, 2020<1 hr5,635 (4%)Unnamed event
Jan 16, 202241 hrs5,477 (4%)Winter Storm

Was There an Outage on a Specific Date?

Pick a date to see whether a power outage was recorded for Laurens County, South Carolina that day.

Over the 12 years from 2014 to 2025, Laurens County recorded 565 distinct power outage events, averaging 3.3 hours per event.

The single worst outage on record in Laurens County started September 27, 2024 (Tropical Storm), lasting 321 hours and leaving up to 27,984 customers without power (19% of the county) at its peak.

June has historically been the worst month for outages in Laurens County, with 69 events recorded during that month across the dataset.

Based on this history, Laurens County earns a Reliability Grade of C, placing it in the 48th percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in South Carolina

Counties with the closest reliability grade and national percentile to Laurens County.

CountyGradeNational percentile
Fairfield CountyC47th
Williamsburg CountyC52nd
Jasper CountyC54th
Chesterfield CountyC42nd
Marlboro CountyC55th

Most reliable counties nationally

The top 3 counties nationally by reliability grade and percentile.

CountyStateGradeNational percentile
Clay CountySouth DakotaA100th
Clearwater CountyMinnesotaA99th
Limestone CountyAlabamaA99th

Least reliable counties nationally

The bottom 3 counties nationally by reliability grade and percentile.

FAQ

How often does power go out in Laurens County?

Between 2014 and 2025, Laurens County recorded 565 outage events, averaging 3.3 hours each.

What is Laurens County's reliability grade?

Laurens County has a Reliability Grade of C, in the 48th national percentile.

What was the worst power outage in Laurens County?

The worst outage on record started September 27, 2024 (Tropical Storm), lasting 321 hours and affecting up to 27,984 customers.

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Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.