How reliable is the power in Michigan?
Michigan ranks 36th of 45 states without major events and 29th with them (1st = fewest minutes), 32 above the U.S. 129 and 180 below the U.S. 662. Major events added 320 minutes, 66% of the with-events total. The figure covers 4,798,405 customers, 96% of the 4,992,535 EIA lists for Michigan.
Michigan with and without major events
minutes without power per customer, 2024, Michigan and U.S.
- 161Michigan, no major events
- 129U.S., no major events
- 482Michigan, with major events
- 662U.S., with major events
| Measure | Michigan without | Michigan with | U.S. without | U.S. with |
|---|---|---|---|---|
| SAIDI, minutes per customer | 161 | 482 | 129 | 662 |
| SAIFI, interruptions per customer | 0.98 | 1.36 | 1.06 | 1.53 |
| CAIDI, minutes per interruption | 164 | 353 | 122 | 433 |
| Median utility, SAIDI minutes | 110 | 349 | — | — |
Which Michigan utilities move the number
DTE Electric Company serves 47% of the customers in the Michigan figure: 47% of lost customer-minutes with major events, 47% without. Without DTE Electric Company, the weighted figure would be 480 minutes with major events and 163 without, against 482 and 161.
- DTE Electric Company: 2,261,010 customers (47%), 159 min without and 483 with; 47% of lost minutes with major events, 47% without.
- Consumers Energy Co - (MI): 1,889,301 customers (39%), 155 min without and 503 with; 41% of lost minutes with major events, 38% without.
- Great Lakes Energy Coop: 131,998 customers (3%), 256 min without and 484 with; 3% of lost minutes with major events, 4% without.
All Michigan utilities in the 2024 file
50 utilities in the 2024 EIA-861 files for Michigan: 20 follow IEEE 1366, 4 use another method, 26 filed no reliability figures. 24 are listed.
| City of Traverse City - (MI) | Municipal | IEEE 1366 | 13,781 | 19 | 19 | 0.22 | 0.22 | 0 | 1 of 16 | — |
|---|---|---|---|---|---|---|---|---|---|---|
| City of Grand Haven - (MI) | Municipal | IEEE 1366 | 15,083 | 29 | 238 | 0.26 | 2.47 | 88 | 2 of 16 | — |
| City of Holland | Municipal | IEEE 1366 | 31,482 | 40 | 339 | 0.43 | 0.62 | 88 | 3 of 16 | — |
| City of Bay City - (MI) | Municipal | IEEE 1366 | 20,500 | 48 | 415 | 0.45 | 2.13 | 88 | 4 of 16 | — |
| Cherryland Electric Coop Inc | Cooperative | IEEE 1366 | 39,158 | 65 | 65 | 0.68 | 0.68 | 0 | 5 of 16 | — |
| City of Marquette - (MI) | Municipal | IEEE 1366 | 17,174 | 103 | 223 | 1.45 | 2.38 | 54 | 6 of 16 | — |
| Tri-County Electric Coop (MI) | Cooperative | IEEE 1366 | 27,230 | 105 | 239 | 0.86 | 1.00 | 56 | 7 of 16 | — |
| Consumers Energy Co - (MI) | Investor Owned | IEEE 1366 | 1,889,301 | 155 | 503 | 0.88 | 1.32 | 69 | 8 of 16 | — |
| DTE Electric Company | Investor Owned | IEEE 1366 | 2,261,010 | 159 | 483 | 0.94 | 1.25 | 67 | 9 of 16 | — |
| Upper Peninsula Power Company | Investor Owned | IEEE 1366 | 58,835 | 187 | 404 | 1.26 | 1.65 | 54 | 10 of 16 | — |
| Indiana Michigan Power Co | Investor Owned | IEEE 1366 | 132,049 | 207 | 359 | 1.43 | 1.66 | 42 | 11 of 16 | — |
| Upper Michigan Energy Resources Corp. | Investor Owned | IEEE 1366 | 38,754 | 218 | 1,082 | 1.02 | 1.71 | 80 | 12 of 16 | — |
| Alger-Delta Coop Electric Assn | Cooperative | IEEE 1366 | 10,440 | 226 | 951 | 1.23 | 2.10 | 76 | 13 of 16 | — |
| Great Lakes Energy Coop | Cooperative | IEEE 1366 | 131,998 | 256 | 484 | 2.35 | 2.83 | 47 | 14 of 16 | — |
| Midwest Energy Cooperative - (MI) | Cooperative | IEEE 1366 | 36,114 | 268 | 587 | 1.50 | 2.10 | 54 | 15 of 16 | — |
| Cloverland Electric Co-op | Cooperative | IEEE 1366 | 44,447 | 385 | 535 | 3.05 | 3.61 | 28 | 16 of 16 | — |
| City of Lansing - (MI) | Municipal | Other method | 97,050 | 92 | 92 | 0.86 | 0.86 | — | Not ranked | other method, not comparable |
| Presque Isle Elec & Gas Coop | Cooperative | Other method | 35,607 | 234 | 234 | 1.59 | 1.59 | — | Not ranked | other method, not comparable |
| Alpena Power Co | Investor Owned | Other method | 16,792 | 58 | 284 | 1.00 | 2.20 | — | Not ranked | other method, not comparable |
| Wyandotte Municipal Serv Comm | Municipal | Other method | 12,856 | — | 36 | — | 0.28 | — | Not ranked | other method, not comparable |
| Northern States Power Co | Investor Owned | IEEE 1366 | 8,923 | 115 | 166 | 0.73 | 1.00 | 31 | Not ranked | under 10,000 customers |
| Coldwater Board of Public Util | Municipal | IEEE 1366 | 7,796 | 29 | 29 | 0.46 | 0.46 | 0 | Not ranked | under 10,000 customers |
| City of Sturgis - (MI) | Municipal | IEEE 1366 | 7,310 | 14 | 14 | 0.16 | 0.16 | 0 | Not ranked | under 10,000 customers |
| City of Zeeland - (MI) | Municipal | IEEE 1366 | 7,020 | 5 | 5 | 0.13 | 0.13 | 0 | Not ranked | under 10,000 customers |
Michigan utilities with no reliability figures
26 in the sales file, no SAIDI or SAIFI row; the 25 largest are listed.
| Utility | Type | Customers |
|---|---|---|
| City of Gladstone | Municipal | 2,687 |
| City of Negaunee | Municipal | 2,263 |
| City of Norway | Municipal | 2,257 |
| City of Crystal Falls | Municipal | 1,603 |
| Village of L'Anse - (MI) | Municipal | 1,154 |
| Village of Baraga - (MI) | Municipal | 809 |
| City of Eaton Rapids - (MI) | Municipal | — |
| Thumb Electric Coop of Mich | Cooperative | — |
| City of Dowagiac | Municipal | — |
| City of St Louis - (MI) | Municipal | — |
| Ontonagon County R E A | Cooperative | — |
| City of Lowell - (MI) | Municipal | — |
| City of Hart Hydro - (MI) | Municipal | — |
| City of Croswell - (MI) | Municipal | — |
| Hillsdale Board of Public Wks | Municipal | — |
| City of Harbor Springs - (MI) | Municipal | — |
| City of Stephenson - (MI) | Municipal | — |
| City of Portland - (MI) | Municipal | — |
| Village of Clinton - (MI) | Municipal | — |
| City of Petoskey - (MI) | Municipal | — |
| Village of Union City - (MI) | Municipal | — |
| Constellation NewEnergy, Inc | Not stated | — |
| City of Niles - (MI) | Municipal | — |
| Village of Paw Paw - (MI) | Municipal | — |
| City of Escanaba | Municipal | — |
The biggest Michigan utilities against the U.S.
- DTE Electric Company (investor owned, 46% of Michigan customers in the file): SAIDI without major events 159 min, 30 above the U.S. 129; with major events 483 min against 662.
- Consumers Energy Co - (MI) (investor owned, 38% of Michigan customers in the file): SAIDI without major events 155 min, 26 above the U.S. 129; with major events 503 min against 662.
- Indiana Michigan Power Co (investor owned, 3% of Michigan customers in the file): SAIDI without major events 207 min, 77 above the U.S. 129; with major events 359 min against 662.
- Great Lakes Energy Coop (cooperative, 3% of Michigan customers in the file): SAIDI without major events 256 min, 127 above the U.S. 129; with major events 484 min against 662.
- City of Lansing - (MI) (municipal, 2% of Michigan customers in the file): reports on another method, SAIFI 0.86, not compared with the U.S. figure.
Michigan by type of utility
Among Michigan utilities that report under IEEE 1366, municipal utilities average 42 minutes without major events and cooperative utilities 236.
| Type | Utilities | Customers | SAIDI without | Median utility | SAIDI with |
|---|---|---|---|---|---|
| Investor Owned | 6 | 4,388,872 | 160 | 173 | 491 |
| Cooperative | 6 | 289,387 | 236 | 241 | 442 |
| Municipal | 8 | 120,146 | 42 | 29 | 227 |
Next to Michigan in the ranking
Michigan report card
Smart meters: 99% of residential meters, 17 utilities (U.S. 92%). Michigan time-based rates: 9 of 18 utilities, 40.0% of residential customers enrolled (U.S. 10.6%). Michigan efficiency spend: $83.5 per customer (U.S. $124.2). Demand response: 54 W per customer (U.S. 77). Michigan net-metered systems: 5.7 per 1,000 customers. Rankings.
Is your Michigan utility better or worse than the Michigan median?
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- Michigan against all states
- Michigan utilities among the best and worst
- Michigan utility reliability and price by company
- Michigan major outage reports from the Department of Energy
- Michigan electricity prices
- Michigan help with your bill
24 Michigan filings in EIA-861 2024 (retrieved 2026-10-01), 16 ranked utilities. Method and sources.
Questions
How many minutes without power did the average Michigan customer have in 2024?
161 minutes without major events and 482 with them (20 IEEE 1366 utilities, customer-weighted).
Why do the two Michigan numbers differ so much?
Major events add 320 of the 482 minutes (66%); DTE Electric Company supplies 47% of the with-events total.
Which Michigan utility reported the fewest and the most minutes?
Among 16 utilities with 10,000+ customers: City of Traverse City - (MI) 19 minutes without major events, and Cloverland Electric Co-op 385.
Which Michigan utilities use which method?
20 follow IEEE 1366, 4 use another method, 26 filed no reliability figures.