Iroquois County power outages

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

Iroquois County, Illinois had 4 major outages from 2015 to 2023

Lower outage time among US counties

Residents here averaged 0.32 times the US outage time per person and 0.76 times the Illinois rate. It ranks 71 of 95 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

0.4major outages per year
4 of 9years with a major outage
24 hrslongest major outage
May, Aughardest months

May and August made up 44% of this county's outage time. The largest outage on record began May 23, 2019, reached 5,566 customers, and left at least 200 customers out for 23.8 hours.

Outage time per resident, rated Illinois counties
MostLeast

Outage impact by year

Customer-hours without power. 1,000 customers out for 2 hours is 2,000 customer-hours.

0
20K
40K
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80K
2015'152016'162017'172018'182019'192020'202021'212022'222023'23
Show yearly numbers
YearCustomer-hoursReported outagesMajor outages
20155,217110
201622,564141
20171,18740
201815,715210
201966,596191
202026,96681
202128,984191
20229,175120
20238,377100

When outages hit

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

0%
10%
20%
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40%
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start dateHoursPeak customersCustomer-hours
May 23, 201923.85,56650,999
Aug 10, 202021.83,75122,819
Jun 23, 20165.82,0757,101
Mar 28, 20213.82,6066,040
Feb 24, 20169.88254,902

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.