massoutage

2018 Michigan Power Outage Report

In 2018, the average Michigan customer went without power for about 9.9 hours, the 8th worst of 51 states (US average 5.3 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
9.9
vs prior year
▲ 65%
vs 2017
Customer-hours out
47.7M
Peak customers out
329,124
across the state at once
EAGLE-I coverage
91%
of MI customers
Counties reporting
80

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, 2018

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

CSVJSON
Michigan customer-hours without power by month, 2018Jan 512K, Feb 766K, Mar 1.9M, Apr 13.4M, May 11.7M, Jun 2.1M, Jul 3.0M, Aug 6.7M, Sep 2.9M, Oct 2.9M, Nov 1.3M, Dec 567K05M10M15M512KJan766KFeb1.9MMar13.4MApr11.7MMay2.1MJun3.0MJul6.7MAug2.9MSep2.9MOct1.3MNov567KDec
Use the arrow keys to read values.

All 80 Michigan counties, 2018

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

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Berrien County88.41.1M12,80512,805629
2Cass County74.8256K3,4232,900679
3Huron County62.5659K10,54510,432425
4Sanilac County56.5728K12,89912,899550
5Arenac County46.7461K9,8648,089353
6Roscommon County42.9591K13,78012,056435
7Ogemaw County36.1422K11,6815,993443
8Wayne County34.515.3M441,528170,30949
9Clare County28.1507K18,0618,004494
10Gladwin County25.0380K15,2018,161406
11Tuscola County21.7361K16,6396,715478
12Lake County21.3197K9,2262,553472
13Monroe County20.8983K47,26018,070481
14Alcona County19.1116K6,0501,457344
15Van Buren County17.4329K18,9163,629640
16Lapeer County17.0654K38,36315,406564
17Mason County15.5293K18,9097,525581
18Wexford County14.5313K21,5184,720452
19Missaukee County13.7131K9,5592,043340
20St. Clair County13.4957K71,46925,132570
21Iosco County12.0172K14,3103,123403
22Oakland County12.07.7M646,29370,98565
23Mecosta County11.5238K20,6084,551508
24Antrim County11.2175K15,6416,280555
25Montcalm County11.0374K33,9466,805586
26Washtenaw County10.32.0M195,55327,714300
27Benzie County9.894K9,5455,081252
28Oscoda County9.849K5,0442,897320
29Osceola County9.7177K18,2723,288415
30Leelanau County9.0111K12,3572,360286
31St. Joseph County8.4163K19,4402,157726
32Oceana County7.8139K17,7382,341530
33Ionia County7.6268K35,2425,887489
34Lenawee County7.0241K34,3364,136744
35Charlevoix County6.7135K19,9834,515496
36Newaygo County6.6212K32,0585,198686
37Gogebic County6.447K7,3943,107252
38Hillsdale County6.3195K30,9145,002569
39Midland County6.0343K57,3505,852539
40Gratiot County5.9123K21,0041,933399
41Otsego County5.7110K19,1743,024497
42Livingston County5.4478K88,1135,016555
43Manistee County5.279K15,1773,750396
44Macomb County5.12.1M404,55336,614155
45Crawford County4.940K8,2181,942379
46Allegan County4.7407K86,7254,632707
47Clinton County4.5153K34,0284,823547
48Keweenaw County4.45,9301,35697454
49Genesee County4.31.2M270,24721,099622
50Kalkaska County4.243K10,2792,046430
51Saginaw County4.0535K132,60411,255814
52Emmet County4.0115K28,7965,267455
53Shiawassee County3.9161K41,3616,421664
54Kent County3.81.6M416,07723,492617
55Kalamazoo County3.8370K96,4179,627896
56Jackson County3.8380K101,2605,274850
57Barry County3.6152K41,9522,289641
58Eaton County3.5177K50,3764,944575
59Branch County3.5108K30,6872,058507
60Muskegon County3.4356K103,7187,274837
61Calhoun County3.3307K92,7945,572814
62Isabella County3.2118K36,5079,427380
63Cheboygan County2.947K16,1182,339325
64Alger County2.913K4,553889104
65Baraga County2.713K4,82450584
66Ottawa County2.5304K120,1405,297732
67Menominee County2.429K12,0722,700253
68Bay County2.2146K66,1622,070544
69Montmorency County1.911K6,073734143
70Grand Traverse County1.8109K60,5213,276380
71Delta County1.331K24,5192,571180
72Schoolcraft County1.37,0915,61152531
73Ontonagon County1.35,3154,24663188
74Houghton County1.234K27,5791,197298
75Ingham County1.2218K187,6984,422677
76Dickinson County1.012K12,110481194
77Marquette County0.838K45,2621,806262
78Iron County0.31,5615,89054962
79Presque Isle County0.21,2528,19811027
80Alpena County0.055218,2365412

Biggest Michigan outages of 2018

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

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Wayne County, MIApril 15, 2018 18:00May 14, 2018 13:4528d 19h170,30910.2M
2Oakland County, MIApril 15, 2018 18:00May 14, 2018 14:1528d 20h70,9854.7M
3Wayne County, MIApril 9, 2018 10:30April 15, 2018 13:306d 3h60,20485K
4Macomb County, MIApril 29, 2018 17:15May 14, 2018 13:4514d 20h36,614782K
5Washtenaw County, MIApril 12, 2018 13:45April 21, 2018 14:159d27,714414K
6St. Clair County, MIMay 4, 2018 08:30May 11, 2018 05:456d 21h25,132747K
7Kent County, MIAugust 26, 2018 19:00August 31, 2018 07:004d 12h23,492449K
8Genesee County, MIMay 4, 2018 08:30May 11, 2018 20:457d 12h21,099585K
9Wayne County, MIMarch 2, 2018 03:00March 6, 2018 01:003d 22h20,906467K
10Oakland County, MIMarch 2, 2018 03:00March 6, 2018 01:003d 22h20,500408K
11Washtenaw County, MIJuly 25, 2018 12:15August 4, 2018 02:009d 13h19,257464K
12Wayne County, MIJuly 19, 2018 00:15August 12, 2018 04:0024d 3h19,1091.0M
13Monroe County, MIMay 2, 2018 14:00May 12, 2018 11:309d 21h18,070316K
14Kent County, MIJune 30, 2018 11:30July 4, 2018 08:453d 21h17,434219K
15Oakland County, MISeptember 15, 2018 04:00November 10, 2018 11:4556d 7h16,475864K
16Kent County, MIMay 4, 2018 01:00May 7, 2018 02:303d 1h15,957149K
17Lapeer County, MIMay 2, 2018 21:45May 11, 2018 02:158d 4h15,406519K
18Macomb County, MIApril 15, 2018 18:00April 26, 2018 06:3010d 12h15,034291K
19Genesee County, MIJanuary 10, 2018 14:30January 16, 2018 11:005d 20h13,17627K
20Sanilac County, MIMay 4, 2018 13:45May 11, 2018 05:456d 16h12,899562K
21Berrien County, MIOctober 20, 2018 09:15October 28, 2018 04:457d 19h12,805451K
22Berrien County, MINovember 26, 2018 02:45November 29, 2018 02:152d 23h12,805182K
23Wayne County, MISeptember 15, 2018 04:00November 10, 2018 11:4556d 7h12,4801.1M
24Roscommon County, MIAugust 29, 2018 00:30September 2, 2018 07:154d 6h12,056433K
25Genesee County, MIMarch 11, 2018 08:30March 12, 2018 02:0017h 30m11,4378,510
EAGLE-I tracked about 91% of Michigan's electricity customers in 2018; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Michigan by year:2025202420232022202120202019201720162015
Other states in 2018:NCVAWVMARIVTMENJ

Part of the 2018 US Power Outage Report.

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