Greenville County, South Carolina Power Outages, 2015 to 2023

Greenville County, South Carolina had 24 major outages from 2015 to 2023

Above middle outage time among US counties

Residents here averaged 0.93 times the US outage time per person and 0.99 times the South Carolina rate. It ranks 24 of 46 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

2.7major outages per year

8 of 9years with a major outage

106 hrslongest major outage

Oct, Dechardest months

October and December made up 40% of this county's outage time. The largest outage on record began Oct 29, 2020, reached 71,283 customers, and left at least 200 customers out for 106.2 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.

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

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	677,488	194	3
2016	903,956	179	3
2017	1,759,437	244	2
2018	2,497,004	234	5
2019	523,472	221	1
2020	3,026,775	207	4
2021	809,778	189	1
2022	927,483	216	5
2023	602,942	234	0

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 29, 2020	106.2	71,283	2,163,520
Dec 9, 2018	94.2	60,062	1,672,472
Sep 11, 2017	80.8	33,465	999,557
Jan 22, 2016	55.0	13,995	318,475
Jul 27, 2021	24.2	23,496	219,820

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.