Richland County, South Carolina Power Outages, 2015 to 2023

Richland County, South Carolina had 28 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.

3.1major outages per year

9 of 9years with a major outage

71 hrslongest major outage

Oct, Junhardest months

October and June made up 42% of this county's outage time. The largest outage on record began Oct 8, 2016, reached 26,429 customers, and left at least 200 customers out for 71.0 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	518,536	152	4
2016	845,122	111	4
2017	425,816	145	2
2018	464,942	175	4
2019	511,168	152	2
2020	320,114	147	2
2021	242,834	151	2
2022	520,280	157	5
2023	355,400	191	3

When outages hit

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

10%

20%

30%

40%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Oct 8, 2016	71.0	26,429	466,570
Jun 22, 2019	36.5	33,840	246,172
Sep 11, 2017	52.0	17,547	219,128
Oct 4, 2015	34.0	11,688	209,295
Oct 8, 2016	10.2	33,158	207,896

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.