Hardeman County power outages

Tennessee outage history from 2017 to 2023, with the largest outages and a backup battery estimate.

Hardeman County, Tennessee had 3 major outages from 2017 to 2023

Lower outage time among US counties

Residents here averaged 0.15 times the US outage time per person and 0.16 times the Tennessee rate. It ranks 64 of 78 in the state, where 1 has the most. Data confidence: High, with 7 years of records.

0.4major outages per year
2 of 7years with a major outage
42 hrslongest major outage
Jun, Aughardest months

June and August made up 48% of this county's outage time. The largest outage on record began Jun 26, 2023, reached 1,023 customers, and left at least 200 customers out for 41.5 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
10K
20K
30K
40K
2017'172018'182019'192020'202021'212022'222023'23
Show yearly numbers
YearCustomer-hoursReported outagesMajor outages
20172,24020
20181,07920
20192,45160
20207,874100
20215,31270
202212,778101
202332,534132

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
Jun 26, 202341.51,02316,877
Mar 30, 202212.01,2095,749
Aug 19, 20205.86303,622
Aug 21, 20221.81,4612,557
Mar 3, 20239.24142,555

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.