Shelby County, Tennessee Power Outages, 2015 to 2023

Shelby County, Tennessee had 65 major outages from 2015 to 2023

Higher outage time among US counties

Residents here averaged 2.99 times the US outage time per person and 3.19 times the Tennessee rate. It ranks 1 of 78 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

7.2major outages per year

9 of 9years with a major outage

305 hrslongest major outage

Feb, Junhardest months

February and June made up 43% of this county's outage time. The largest outage on record began Feb 3, 2022, reached 137,794 customers, and left at least 200 customers out for 305.0 hours.

Outage time per resident, rated Tennessee counties

MostLeast

Outage impact by year

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

10M

15M

20M

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

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	2,381,588	447	4
2016	2,088,682	599	5
2017	12,272,588	539	8
2018	2,265,890	547	7
2019	1,773,986	408	2
2020	2,881,914	601	7
2021	2,717,787	675	7
2022	16,562,383	679	9
2023	16,882,913	608	16

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
Feb 3, 2022	305.0	137,794	12,890,171
May 28, 2017	113.8	155,108	8,670,927
Jun 25, 2023	304.5	120,822	6,517,904
Jul 18, 2023	162.0	138,851	4,941,091
Aug 5, 2015	75.5	38,123	859,206

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.