Knox County, Illinois Power Outages, 2015 to 2023

Knox County, Illinois had 21 major outages from 2015 to 2023

Above middle outage time among US counties

Residents here averaged 0.91 times the US outage time per person and 2.14 times the Illinois rate. It ranks 19 of 95 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

2.3major outages per year

8 of 9years with a major outage

56 hrslongest major outage

Dec, Junhardest months

December and June made up 33% of this county's outage time. The largest outage on record began Dec 28, 2015, reached 4,503 customers, and left at least 200 customers out for 56.2 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	180,137	43	3
2016	85,039	31	1
2017	9,712	19	0
2018	50,936	30	1
2019	148,356	62	2
2020	112,546	43	5
2021	146,686	46	4
2022	80,220	40	2
2023	157,761	52	3

When outages hit

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

10%

15%

20%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Dec 28, 2015	56.2	4,503	124,502
Jun 19, 2021	36.8	5,388	66,056
Feb 12, 2019	36.2	4,152	57,774
Jul 10, 2016	10.5	10,484	33,468
Jun 29, 2023	34.2	2,662	30,498

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.