Mackinac County, Michigan Power Outages, 2019 to 2023

Mackinac County, Michigan had 16 major outages from 2019 to 2023

Higher outage time among US counties

Residents here averaged 3.51 times the US outage time per person and 1.56 times the Michigan rate. It ranks 17 of 81 in the state, where 1 has the most. Data confidence: Medium, with 5 years of records.

3.2major outages per year

4 of 5years with a major outage

74 hrslongest major outage

Dec, Novhardest months

December and November made up 54% of this county's outage time. The largest outage on record began Dec 16, 2021, reached 4,474 customers, and left at least 200 customers out for 74.5 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.

50K

100K

150K

200K

2019'192020'202021'212022'222023'23

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2019	19,092	4	0
2020	137,479	31	6
2021	197,122	44	5
2022	83,156	45	2
2023	41,152	24	3

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 16, 2021	74.5	4,474	114,113
Jan 1, 2020	62.5	2,372	78,528
Nov 6, 2022	22.8	2,729	39,298
Aug 11, 2021	44.2	2,013	18,291
Nov 11, 2021	12.8	2,823	14,399

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.