Clark County, Illinois Power Outages, 2015 to 2023

Clark County, Illinois had 5 major outages from 2015 to 2023

Below middle outage time among US counties

Residents here averaged 0.78 times the US outage time per person and 1.84 times the Illinois rate. It ranks 28 of 95 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

0.6major outages per year

4 of 9years with a major outage

60 hrslongest major outage

Jun, Aprhardest months

June and April made up 75% of this county's outage time. The largest outage on record began Jun 29, 2023, reached 4,592 customers, and left at least 200 customers out for 60.0 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.

50K

100K

150K

200K

2015'152016'162017'172018'182019'192020'202021'212022'222023'23

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	2,424	4	0
2016	7,057	7	0
2017	7,912	13	0
2018	2,751	8	0
2019	3,724	10	0
2020	27,070	18	1
2021	18,503	19	1
2022	26,401	15	1
2023	163,298	19	2

When outages hit

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

20%

40%

60%

80%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Jun 29, 2023	60.0	4,592	131,404
Jul 2, 2023	23.8	906	11,905
Jun 17, 2022	10.5	1,523	9,061
Jun 19, 2021	14.0	1,362	8,743
Apr 1, 2023	6.8	1,572	8,578

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.

Phones, Wi-Fi, lights, about 60 WRefrigerator, about 60 WChest freezer, about 40 WGas furnace fan, about 160 W

Hours to cover: 24

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.