Marshall County, Illinois Power Outages, 2015 to 2023

Marshall County, Illinois had 13 major outages from 2015 to 2023

Above middle outage time among US counties

Residents here averaged 1.32 times the US outage time per person and 3.10 times the Illinois rate. It ranks 9 of 95 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

1.4major outages per year

7 of 9years with a major outage

68 hrslongest major outage

Dec, Aughardest months

December and August made up 50% of this county's outage time. The largest outage on record began Dec 28, 2015, reached 4,821 customers, and left at least 200 customers out for 51.8 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.

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	119,917	12	3
2016	17,980	19	1
2017	6,530	7	0
2018	23,196	13	1
2019	16,898	11	1
2020	70,181	16	2
2021	18,007	17	1
2022	22,296	11	0
2023	39,350	21	4

When outages hit

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

10%

20%

30%

40%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Dec 28, 2015	51.8	4,821	99,786
Aug 10, 2020	68.0	1,342	47,174
Jul 12, 2020	18.0	1,016	11,903
Nov 26, 2018	22.5	678	10,361
Nov 21, 2015	9.0	1,114	9,854

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.