Berkeley County, South Carolina Power Outages, 2015 to 2023

Berkeley County, South Carolina had 9 major outages from 2015 to 2023

Below middle outage time among US counties

Residents here averaged 0.44 times the US outage time per person and 0.47 times the South Carolina rate. It ranks 39 of 46 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

1.0major outages per year

6 of 9years with a major outage

98 hrslongest major outage

Sep, Octhardest months

September and October made up 63% of this county's outage time. The largest outage on record began Sep 5, 2019, reached 38,691 customers, and left at least 200 customers out for 63.0 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.

0.25M

0.5M

0.75M

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

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	21,860	28	0
2016	368,134	20	2
2017	172,537	66	1
2018	202,864	218	1
2019	861,820	140	2
2020	276,608	123	1
2021	112,133	144	0
2022	423,250	162	2
2023	139,456	180	0

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
Sep 5, 2019	63.0	38,691	709,496
Oct 8, 2016	98.2	13,599	298,445
Sep 30, 2022	36.2	37,481	290,679
Apr 13, 2020	31.0	21,751	145,858
Sep 11, 2017	33.5	17,445	122,841

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.