Union County, Tennessee Power Outages, 2015 to 2023

Union County, Tennessee had 12 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 1.00 times the Tennessee rate. It ranks 20 of 78 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

1.3major outages per year

8 of 9years with a major outage

20 hrslongest major outage

Jul, Mayhardest months

July and May made up 36% of this county's outage time. The largest outage on record began May 28, 2017, reached 2,349 customers, and left at least 200 customers out for 13.5 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.

20K

40K

60K

80K

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

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	7,400	8	0
2016	35,024	30	1
2017	60,726	24	1
2018	78,748	41	1
2019	70,293	55	3
2020	68,090	55	3
2021	37,726	47	1
2022	40,310	54	1
2023	34,636	42	1

When outages hit

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

10%

15%

20%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
May 28, 2017	13.5	2,349	24,929
Jul 21, 2018	3.5	8,546	23,546
Jun 22, 2019	7.0	6,918	15,525
Dec 24, 2020	15.8	1,532	13,356
Apr 1, 2023	17.5	1,572	12,950

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.