Jo Daviess County, Illinois Power Outages, 2015 to 2023

Jo Daviess County, Illinois had 7 major outages from 2015 to 2023

Below middle outage time among US counties

Residents here averaged 0.45 times the US outage time per person and 1.05 times the Illinois rate. It ranks 52 of 95 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

0.8major outages per year

5 of 9years with a major outage

46 hrslongest major outage

Feb, Julhardest months

February and July made up 63% of this county's outage time. The largest outage on record began Feb 23, 2023, reached 3,239 customers, and left at least 200 customers out for 46.2 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.

20K

40K

60K

80K

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

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	2,743	3	0
2016	14,897	2	0
2017	24,518	10	2
2018	30,084	6	1
2019	23,887	10	1
2020	15,383	10	1
2021	7,443	16	0
2022	13,302	15	0
2023	79,313	13	2

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
Feb 23, 2023	46.2	3,239	55,706
Jul 14, 2018	26.0	1,588	20,576
Jul 29, 2023	22.8	1,861	15,040
Feb 19, 2016	6.8	1,710	11,495
Jun 29, 2017	10.0	1,887	10,466

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.