massoutage

2020 Michigan Power Outage Report

In 2020, the average Michigan customer went without power for about 9.8 hours, the 13th worst of 51 states (US average 8.0 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
9.8
vs prior year
▼ 23%
vs 2019
Customer-hours out
47.2M
Peak customers out
396,647
across the state at once
EAGLE-I coverage
95%
of MI customers
Counties reporting
83

Michigan year over year

Michigan: average hours without power per customer by year2015: 6.8h; 2016: 2.0h; 2017: 6.0h; 2018: 9.9h, coverage 91%; 2019: 12.7h, coverage 96%; 2020: 9.7h, coverage 95%; 2021: 26.6h, coverage 95%; 2022: 10.4h, coverage 96%; 2023: 26.5h; 2024: 8.5h; 2025: 12.6h01020300%50%100%6.8h20152.0h20166.0h20179.9h201812.7h20199.7h202026.6h202110.4h202226.5h20238.5h202412.6h2025
Use the arrow keys to read values.
Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Month by month, 2020

Customer-hours without power across Michigan; June was the worst.

CSVJSON
Michigan customer-hours without power by month, 2020Jan 1.3M, Feb 495K, Mar 1.0M, Apr 1.1M, May 2.1M, Jun 12.6M, Jul 10.0M, Aug 3.9M, Sep 1.6M, Oct 1.6M, Nov 9.6M, Dec 1.8M05M10M15M1.3MJan495KFeb1.0MMar1.1MApr2.1MMay12.6MJun10.0MJul3.9MAug1.6MSep1.6MOct9.6MNov1.8MDec
Use the arrow keys to read values.

All 83 Michigan counties, 2020

Ranked by average hours without power per customer. Each county links to its annual report.

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Berrien County77.5993K12,80512,805813
2Alcona County74.7452K6,0506,050352
3Cass County59.1202K3,4233,423818
4Huron County41.4437K10,54510,545373
5Iosco County39.4564K14,3109,443455
6Oscoda County38.2193K5,0443,177418
7Roscommon County35.6490K13,7808,114505
8Van Buren County33.4632K18,91611,221784
9Ogemaw County26.5310K11,6816,791479
10Missaukee County25.3242K9,5595,992468
11Wayne County25.111.1M441,528143,65827
12Tuscola County24.7410K16,63916,639386
13Leelanau County24.4301K12,3576,411518
14Calhoun County23.72.2M92,79430,725804
15Cheboygan County23.5379K16,11811,121671
16Arenac County22.7224K9,8643,865321
17Gladwin County21.8332K15,2014,640435
18Sanilac County21.8281K12,8998,069371
19Clare County20.0361K18,0617,785573
20Branch County19.9610K30,6876,767416
21Mackinac County19.5171K8,7572,372532
22Keweenaw County18.024K1,3561,356106
23Montmorency County16.8102K6,0731,960566
24Benzie County16.2155K9,5453,043538
25Antrim County15.8247K15,6415,230836
26Chippewa County15.2499K32,7439,035739
27Alger County15.068K4,5534,553399
28Crawford County14.0115K8,2181,868674
29St. Joseph County12.8248K19,4402,241758
30Monroe County12.2579K47,2607,943595
31Lenawee County11.6397K34,3366,052710
32Lake County11.4105K9,2262,558727
33Midland County11.3646K57,3505,966627
34Presque Isle County10.687K8,1982,932376
35St. Clair County10.5747K71,46911,064541
36Lapeer County10.2392K38,3637,496524
37Charlevoix County10.1202K19,9834,274770
38Eaton County10.1508K50,3768,561678
39Montcalm County9.9337K33,9468,174724
40Wexford County9.8212K21,5184,903699
41Manistee County9.5145K15,1774,100611
42Ontonagon County9.440K4,2464,246209
43Gratiot County9.3196K21,0044,369410
44Mecosta County9.2190K20,6082,568783
45Saginaw County8.21.1M132,60419,531822
46Gogebic County8.160K7,3947,394304
47Kalamazoo County7.8753K96,41714,0261,002
48Jackson County7.7784K101,26010,887869
49Livingston County7.6669K88,11331,982459
50Osceola County7.6139K18,2722,225574
51Oakland County7.44.8M646,293156,51965
52Emmet County7.0201K28,7966,391589
53Oceana County7.0124K17,7384,174758
54Washtenaw County7.01.4M195,55318,692530
55Baraga County6.933K4,8241,689149
56Ottawa County6.7804K120,14017,408722
57Newaygo County6.5208K32,0584,942799
58Bay County6.4422K66,1627,486563
59Hillsdale County6.2190K30,9141,927506
60Mason County6.1115K18,9092,797722
61Barry County6.0253K41,9524,770632
62Macomb County5.82.4M404,55338,950287
63Kalkaska County5.557K10,2791,322786
64Ionia County5.4190K35,2424,835584
65Allegan County5.2452K86,7255,772807
66Kent County5.12.1M416,07730,374755
67Luce County5.024K4,746891312
68Schoolcraft County5.028K5,611788405
69Muskegon County4.6475K103,7188,128890
70Iron County4.426K5,890876209
71Clinton County4.2144K34,0283,578580
72Genesee County4.01.1M270,24711,114740
73Otsego County3.872K19,1741,788763
74Dickinson County3.745K12,1104,403229
75Houghton County3.597K27,57914,073532
76Shiawassee County2.9120K41,3613,644540
77Menominee County2.833K12,0724,651176
78Isabella County2.799K36,5071,438574
79Grand Traverse County2.3137K60,5212,434797
80Ingham County2.2417K187,69823,714760
81Alpena County1.935K18,2362,060201
82Delta County1.538K24,5192,014474
83Marquette County1.359K45,2622,535441

Biggest Michigan outages of 2020

Up to 25 county outage episodes with the most customers out at once.

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Oakland County, MIFebruary 10, 2020 02:15February 17, 2020 02:457d156,51957K
2Wayne County, MIFebruary 11, 2020 12:30February 13, 2020 11:451d 23h143,65838K
3Wayne County, MIJune 12, 2020 20:45November 17, 2020 04:45157d 8h108,3979.3M
4Wayne County, MIJune 2, 2020 17:45June 10, 2020 20:308d 2h61,644223K
5Oakland County, MIJune 2, 2020 17:45June 29, 2020 21:1527d 3h52,719459K
6Oakland County, MIOctober 12, 2020 12:00November 29, 2020 00:4547d 12h52,6751.8M
7Macomb County, MIFebruary 12, 2020 04:45February 13, 2020 05:301d38,95010K
8Macomb County, MIMay 24, 2020 12:45June 2, 2020 17:009d 4h37,021335K
9Wayne County, MINovember 17, 2020 06:15December 20, 2020 07:1533d 1h33,878808K
10Livingston County, MIJanuary 21, 2020 22:15February 21, 2020 06:3030d 8h31,98213K
11Calhoun County, MIJune 9, 2020 17:45June 16, 2020 10:456d 17h30,7251.9M
12Kent County, MIJune 8, 2020 08:45June 15, 2020 03:456d 19h30,374934K
13Macomb County, MIJune 2, 2020 17:45June 10, 2020 20:308d 2h29,40775K
14Macomb County, MINovember 14, 2020 13:15November 17, 2020 04:452d 15h25,201529K
15Ingham County, MISeptember 10, 2020 13:00September 10, 2020 17:454h 45m23,71424K
16Oakland County, MIJune 29, 2020 22:30October 12, 2020 10:00104d 11h22,5151.7M
17Saginaw County, MIMay 20, 2020 06:15June 16, 2020 02:1526d 20h19,531875K
18Washtenaw County, MIJune 10, 2020 00:15June 17, 2020 05:457d 5h18,692120K
19Kent County, MIAugust 27, 2020 12:15August 30, 2020 10:152d 22h18,187316K
20Ottawa County, MIJune 9, 2020 17:15June 15, 2020 02:155d 9h17,408478K
21Macomb County, MIOctober 12, 2020 11:00October 26, 2020 09:4513d 22h16,834105K
22Tuscola County, MIJune 10, 2020 18:00June 14, 2020 01:303d 7h16,63925K
23Houghton County, MIJuly 19, 2020 04:45July 20, 2020 21:451d 17h14,07325K
24Kalamazoo County, MIJune 9, 2020 10:45June 16, 2020 03:006d 16h14,026261K
25Wayne County, MIMarch 26, 2020 13:15April 15, 2020 07:3019d 18h13,223144K
EAGLE-I tracked about 95% of Michigan's electricity customers in 2020; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Michigan by year:2025202420232022202120192018201720162015
Other states in 2020:LAMEOKIAALMSNJNC

Part of the 2020 US Power Outage Report.

Data from DOE EAGLE-I, every source we read.