Ontonagon County, Michigan Power Outages, 2015 to 2023

Ontonagon County, Michigan had 7 major outages from 2015 to 2023

Above middle outage time among US counties

Residents here averaged 1.26 times the US outage time per person and 0.56 times the Michigan rate. It ranks 60 of 81 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

19 hrslongest major outage

Jul, Octhardest months

July and October made up 54% of this county's outage time. The largest outage on record began Jul 21, 2016, reached 1,818 customers, and left at least 200 customers out for 19.2 hours.

Outage time per resident, rated Michigan counties

MostLeast

Outage impact by year

Customer-hours without power. 1,000 customers out for 2 hours is 2,000 customer-hours.

10K

20K

30K

40K

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

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	4,809	4	0
2016	38,949	19	2
2017	12,170	10	0
2018	2,004	5	0
2019	15,257	6	1
2020	35,749	14	2
2021	15,579	8	1
2022	20,976	10	1
2023	15,796	8	0

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
Jul 21, 2016	19.2	1,818	17,092
Jul 19, 2020	11.2	4,600	15,258
Jul 27, 2021	15.5	695	9,889
Nov 19, 2016	3.5	2,150	7,525
Oct 17, 2022	10.0	1,074	6,069

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.