Clarendon County, South Carolina Power Outages, 2015 to 2023

Clarendon County, South Carolina had 14 major outages from 2015 to 2023

Above middle outage time among US counties

Residents here averaged 1.27 times the US outage time per person and 1.35 times the South Carolina rate. It ranks 17 of 46 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

1.6major outages per year

6 of 9years with a major outage

122 hrslongest major outage

Oct, Junhardest months

October and June made up 70% of this county's outage time. The largest outage on record began Oct 8, 2016, reached 6,285 customers, and left at least 200 customers out for 122.5 hours.

Outage time per resident, rated South Carolina counties

MostLeast

Outage impact by year

Customer-hours without power. 1,000 customers out for 2 hours is 2,000 customer-hours.

200K

400K

600K

800K

2015'152016'162017'172018'182019'192020'202021'212022'222023'23

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	54,048	10	1
2016	489,096	25	3
2017	30,144	24	0
2018	53,630	30	3
2019	87,472	41	2
2020	19,644	19	0
2021	27,387	46	0
2022	55,466	43	4
2023	53,010	44	1

When outages hit

Share of this county's customer-hours by month.

20%

40%

60%

80%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Oct 8, 2016	122.5	6,285	440,371
Oct 5, 2015	19.2	3,275	45,591
Aug 30, 2023	17.8	2,121	27,696
Jun 22, 2019	9.2	2,385	15,885
Apr 19, 2019	12.0	5,407	15,584

Hours measure how long at least 200 customers in the county were out. Most customers get power back sooner.

Size your backup battery

Start with what you would keep running. Wattages are typical averages, so check your own appliances.

Phones, Wi-Fi, lights, about 60 WRefrigerator, about 60 WChest freezer, about 40 WGas furnace fan, about 160 W

Hours to cover: 24

1,700 Whof battery capacity, allowing for about 15% conversion loss

If anyone relies on medical equipment, plan that with their provider. Run portable fuel generators outdoors only, at least 20 feet from doors, windows and vents. See the outage checklist.

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How to read this

A major outage lasted at least 8 hours and reached customers equal to at least 1% of county residents.
Records cover outages of at least 200 customers in a county. They do not show what happened on your street.
Utilities that do not report can make a county look better than it is. Data ends in 2023. Read the full method.