Harrison County, Mississippi Power Outages, 2015 to 2023

Harrison County, Mississippi had 6 major outages from 2015 to 2023

Above middle outage time among US counties

Residents here averaged 1.30 times the US outage time per person and 0.86 times the Mississippi rate. It ranks 39 of 72 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

0.7major outages per year

4 of 9years with a major outage

120 hrslongest major outage

Oct, Aughardest months

October and August made up 89% of this county's outage time. The largest outage on record began Oct 28, 2020, reached 97,348 customers, and left at least 200 customers out for 120.0 hours.

Outage time per resident, rated Mississippi 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	42,109	49	0
2016	64,620	55	1
2017	56,265	53	1
2018	37,234	36	0
2019	75,952	88	0
2020	5,340,488	125	3
2021	252,264	138	1
2022	127,944	162	0
2023	101,670	115	0

When outages hit

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

25%

50%

75%

100%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Oct 28, 2020	120.0	97,348	5,180,552
Aug 29, 2021	22.0	8,247	86,839
Nov 2, 2020	44.8	3,562	48,609
Oct 8, 2017	17.0	2,647	26,554
Apr 28, 2016	12.8	4,372	22,416

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.