Lenawee County, Michigan Power Outages, 2015 to 2023

Lenawee County, Michigan had 43 major outages from 2015 to 2023

Higher outage time among US counties

Residents here averaged 3.02 times the US outage time per person and 1.34 times the Michigan rate. It ranks 20 of 81 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

4.8major outages per year

9 of 9years with a major outage

126 hrslongest major outage

Feb, Aughardest months

February and August made up 70% of this county's outage time. The largest outage on record began Feb 22, 2023, reached 33,294 customers, and left at least 200 customers out for 125.5 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.

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

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	99,840	58	1
2016	66,891	34	1
2017	363,519	45	5
2018	192,182	70	3
2019	254,552	74	6
2020	363,292	55	6
2021	742,722	61	6
2022	665,203	68	7
2023	3,740,845	74	8

When outages hit

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

20%

40%

60%

80%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Feb 22, 2023	125.5	33,294	2,845,071
Aug 12, 2021	100.8	8,137	436,100
Aug 29, 2022	75.2	10,680	396,616
Aug 24, 2023	97.5	8,773	330,557
Feb 28, 2023	49.5	10,280	259,316

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.