Smith County power outages

Tennessee outage history from 2015 to 2023, with the largest outages and a backup battery estimate.

Smith County, Tennessee had no major outages from 2015 to 2023

Lower outage time among US counties

Residents here averaged 0.13 times the US outage time per person and 0.14 times the Tennessee rate. It ranks 67 of 78 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

0.0major outages per year
0 of 9years with a major outage
Nonelongest major outage
Mar, Sephardest months

March and September made up 42% of this county's outage time. The largest outage on record began Mar 24, 2019, reached 3,448 customers, and left at least 200 customers out for 2.5 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.

0
5K
10K
15K
20K
2015'152016'162017'172018'182019'192020'202021'212022'222023'23
Show yearly numbers
YearCustomer-hoursReported outagesMajor outages
20158,29280
20166,91680
20179,36450
201817,967100
201913,30440
2020000
20211,39310
202254810
2023000

When outages hit

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

0%
10%
20%
30%
40%
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start dateHoursPeak customersCustomer-hours
Mar 24, 20192.53,4488,620
Sep 30, 20182.23,3687,578
Jan 2, 20181.23,3784,222
May 28, 20173.01,3924,176
Mar 7, 20192.81,4253,919

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.

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.