DeKalb County power outages

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

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

Lower outage time among US counties

Residents here averaged 0.04 times the US outage time per person and 0.05 times the Tennessee rate. It ranks 74 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
Dec, Marhardest months

December and March made up 68% of this county's outage time. The largest outage on record began Dec 11, 2021, reached 1,251 customers, and left at least 200 customers out for 6.8 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
2.5K
5K
7.5K
10K
2015'152016'162017'172018'182019'192020'202021'212022'222023'23
Show yearly numbers
YearCustomer-hoursReported outagesMajor outages
201554010
2016000
20175,73330
20181,03630
20191,39830
202045020
20219,11030
20222,18360
202374510

When outages hit

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

0%
20%
40%
60%
80%
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start dateHoursPeak customersCustomer-hours
Dec 11, 20216.81,2518,444
Mar 1, 20174.51,1605,054
Jan 3, 20222.07251,076
Jul 24, 20191.8520910
Sep 28, 20231.2596745

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.