Sullivan County power outages

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

Sullivan County, Missouri had no major outages from 2015 to 2023

Lower outage time among US counties

Residents here averaged 0.16 times the US outage time per person and 0.31 times the Missouri rate. It ranks 96 of 108 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
Jun, Dechardest months

June and December made up 61% of this county's outage time. The largest outage on record began Dec 16, 2021, reached 574 customers, and left at least 200 customers out for 7.0 hours.

Outage time per resident, rated Missouri 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
20158,18460
20162,04120
2017000
2018000
20193,62510
202029210
20214,01210
2022000
20232,31420

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
Dec 16, 20217.05744,012
Jun 28, 20196.25803,625
Jul 13, 20154.26412,724
Jun 29, 20233.85442,040
May 10, 20162.86281,727

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.