massoutage

2025 Michigan Power Outage Report

In 2025, the average Michigan customer went without power for about 12.6 hours, the 2nd worst of 51 states (US average 5.3 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
12.6
vs prior year
▲ 47%
vs 2024
Customer-hours out
60.8M
Peak customers out
340,897
across the state at once
EAGLE-I coverage
n/a
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, 2025

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

CSVJSON
Michigan customer-hours without power by month, 2025Jan 503K, Feb 601K, Mar 12.5M, Apr 20.0M, May 11.3M, Jun 2.9M, Jul 2.6M, Aug 1.5M, Sep 819K, Oct 902K, Nov 1.9M, Dec 5.4M05M10M15M20M503KJan601KFeb12.5MMar20.0MApr11.3MMay2.9MJun2.6MJul1.5MAug819KSep902KOct1.9MNov5.4MDec
Use the arrow keys to read values.

All 83 Michigan counties, 2025

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

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Montmorency County382.72.3M6,0736,073401
2Oscoda County266.81.3M5,0445,044333
3Cheboygan County225.93.6M16,11816,118514
4Presque Isle County222.01.8M8,1988,198349
5Otsego County196.73.8M19,17417,912507
6Crawford County155.91.3M8,2188,218414
7Cass County151.8520K3,4233,423797
8Alcona County149.7906K6,0506,050331
9Emmet County104.53.0M28,79617,248527
10Berrien County84.61.1M12,80512,805959
11Mackinac County83.5731K8,7577,585305
12Charlevoix County73.51.5M19,98312,108538
13Van Buren County54.61.0M18,91618,916782
14Keweenaw County53.973K1,3561,356129
15Alpena County51.7942K18,2363,528208
16Clare County51.3927K18,06116,368535
17Antrim County44.2692K15,6416,120560
18Gogebic County43.9324K7,3945,600441
19Kalamazoo County35.53.4M96,41751,658821
20Ogemaw County28.2329K11,6815,606459
21St. Joseph County27.3531K19,4407,034699
22Leelanau County27.3337K12,35710,164466
23Mecosta County26.7551K20,6089,156508
24Barry County23.4982K41,95211,046586
25Iron County23.4138K5,8902,508232
26Lake County23.3215K9,2266,361551
27Menominee County23.3281K12,0725,371362
28Iosco County23.2333K14,3108,777469
29Gladwin County21.5326K15,2015,686430
30Dickinson County21.3258K12,1108,457272
31Calhoun County21.01.9M92,79421,889770
32Missaukee County19.8189K9,5592,694305
33Roscommon County19.4267K13,7805,632481
34Benzie County19.0182K9,5454,310431
35Manistee County18.5281K15,1774,926472
36Kalkaska County17.7182K10,2794,133423
37Osceola County17.0310K18,2724,899470
38Ontonagon County16.470K4,2462,384211
39Shiawassee County15.9658K41,36110,186533
40Eaton County15.8796K50,3769,066609
41Alger County14.968K4,5531,787266
42Allegan County14.41.2M86,72514,042747
43Isabella County13.3487K36,5077,174473
44Wexford County13.2284K21,5184,090403
45Marquette County13.1593K45,26212,919445
46Arenac County12.6124K9,8643,219315
47Newaygo County12.4396K32,0587,613681
48Muskegon County11.91.2M103,71822,639779
49Schoolcraft County11.464K5,6112,247347
50Ionia County11.0388K35,2424,293608
51Branch County9.9305K30,6874,117422
52Ingham County9.61.8M187,69835,847971
53Ottawa County9.01.1M120,14015,748669
54Midland County8.8507K57,3506,052591
55Mason County8.8166K18,9094,184498
56Tuscola County8.3139K16,6391,827335
57Clinton County8.1274K34,0283,171518
58Livingston County8.0706K88,1138,309474
59Genesee County7.11.9M270,24724,417667
60Chippewa County7.1234K32,7435,442679
61Jackson County6.8690K101,2608,695796
62Montcalm County6.7226K33,9463,455705
63Lapeer County6.6254K38,3632,041399
64Lenawee County5.9204K34,3364,502699
65Huron County5.861K10,5451,486330
66Baraga County5.728K4,824877109
67Houghton County5.7158K27,57918,348420
68Oceana County5.6100K17,7381,723587
69Hillsdale County5.6173K30,9143,290489
70Saginaw County5.3707K132,60413,829771
71Sanilac County4.862K12,899912376
72Monroe County4.6216K47,2602,968518
73Delta County4.1101K24,5192,635448
74Wayne County3.91.7M441,52811,6995
75St. Clair County3.7268K71,4692,759413
76Luce County3.718K4,746675185
77Kent County3.71.5M416,07724,324726
78Bay County3.4222K66,1625,585507
79Oakland County3.12.0M646,29314,05618
80Grand Traverse County2.6158K60,5213,370540
81Gratiot County2.450K21,004835382
82Macomb County2.3928K404,5537,292147
83Washtenaw County2.0396K195,5534,277380

Biggest Michigan outages of 2025

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

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Kalamazoo County, MIMay 15, 2025 13:30May 21, 2025 05:455d 16h51,6582.6M
2Ingham County, MIMay 16, 2025 03:15May 22, 2025 21:006d 17h35,847964K
3Genesee County, MIMarch 30, 2025 23:15April 6, 2025 07:306d 8h24,417932K
4Kent County, MIMarch 30, 2025 17:15April 5, 2025 19:156d 2h24,324604K
5Genesee County, MIMay 15, 2025 13:00May 21, 2025 10:155d 21h22,767305K
6Muskegon County, MIMay 16, 2025 01:00May 23, 2025 05:157d 4h22,639813K
7Calhoun County, MIMay 15, 2025 23:30May 22, 2025 15:156d 15h21,8891.1M
8Van Buren County, MIMay 16, 2025 01:15May 21, 2025 01:155d18,916589K
9Houghton County, MINovember 3, 2025 15:30November 4, 2025 03:0011h 30m18,34820K
10Otsego County, MIMarch 29, 2025 05:45April 19, 2025 16:4521d 11h17,9123.6M
11Emmet County, MIMarch 29, 2025 01:15April 16, 2025 20:0018d 18h17,2482.9M
12Clare County, MIDecember 26, 2025 13:30January 1, 2026 00:005d 10h16,368782K
13Cheboygan County, MIMarch 29, 2025 02:45April 24, 2025 06:0026d 3h16,1183.5M
14Ingham County, MIMarch 30, 2025 21:30April 5, 2025 21:155d 23h15,881451K
15Ottawa County, MIMay 15, 2025 22:45May 20, 2025 07:454d 9h15,748588K
16Oakland County, MIApril 14, 2025 10:15September 3, 2025 04:15141d 18h14,0561.0M
17Allegan County, MIMay 15, 2025 16:15May 21, 2025 06:305d 14h14,042657K
18Saginaw County, MIMarch 30, 2025 23:00April 6, 2025 02:156d 3h13,829175K
19Calhoun County, MIMarch 30, 2025 21:45April 6, 2025 16:306d 18h13,044608K
20Marquette County, MIDecember 29, 2025 02:45January 1, 2026 00:002d 21h12,919371K
21Berrien County, MIMay 16, 2025 01:00May 18, 2025 22:452d 21h12,805440K
22Berrien County, MIMarch 30, 2025 20:45April 4, 2025 23:005d 2h12,678328K
23Charlevoix County, MIMarch 29, 2025 02:00April 17, 2025 00:0018d 22h12,1081.3M
24Kent County, MIMay 30, 2025 12:15May 30, 2025 19:457h 30m11,8778,470
25Kalamazoo County, MIJune 27, 2025 04:30July 11, 2025 05:3014d 1h11,843105K
EAGLE-I tracked about n/a of Michigan's electricity customers in 2025; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Michigan by year:2024202320222021202020192018201720162015
Other states in 2025:WVAKPAMOVANCARMS

Part of the 2025 US Power Outage Report.

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