Shelby County, Illinois Power Outages, 2015 to 2023

Shelby County, Illinois had 10 major outages from 2015 to 2023

Below middle outage time among US counties

Residents here averaged 0.70 times the US outage time per person and 1.64 times the Illinois rate. It ranks 39 of 95 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

1.1major outages per year

6 of 9years with a major outage

58 hrslongest major outage

Jun, Julhardest months

June and July made up 61% of this county's outage time. The largest outage on record began Jun 29, 2023, reached 4,823 customers, and left at least 200 customers out for 58.5 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	9,294	16	0
2016	15,846	10	2
2017	4,220	7	0
2018	13,098	4	2
2019	11,112	8	1
2020	36,348	29	0
2021	53,743	30	1
2022	35,704	19	2
2023	134,909	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	58.5	4,823	109,353
Dec 11, 2021	41.2	2,222	19,324
Jun 17, 2022	17.8	2,653	13,629
Jul 21, 2020	5.8	3,135	12,440
Jun 13, 2023	2.0	4,801	9,019

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.