State · EIA Form 861 · MI
Michigan
According to the U.S. Energy Information Administration's EIA Form 861, SAIDI and SAIFI for Michigan utilities come from the federal annual survey. 23 utilities report reliability metrics; figures are customer-weighted state averages, not a guarantee for any single address.
Signature read: long chronic outage minutes relative to the 51-state Form 861 cohort (>365 min tercile cut).
EIA Form 861 · Continuity Brief
Michigan
EIA Form 861 Continuity Brief · August 2026 · IEEE 1366 SAIDI/SAIFI minutes, not a storm forecast.
Michigan sits in the upper-third SAIDI band at 1115.3 minutes across 23 reporting utilities (DTE Electric Company highest at 1542.3), above the live national mean of 341.
Named SAIDI peers (in-state best + nearest-state averages)
State SAIDI neighbourhood (minutes / customer-year)
- Michigan 1115.3
- Oklahoma 1279.8
- Kentucky 867.6
- Tennessee 866.4
- Mississippi 801.3
- Arkansas 772.3
Lower is fewer interruption minutes. Neighbours are nearest other-state averages in this corpus.
Michigan vs all states by EIA Form 861 utility headcount
Where this state's reporting utility count sits among every state in the Form 861 file (coverage density, not reliability quality)
23 Top 33% more reporting utilities than 67% of 51 states
States, banded by electric utilities reporting on EIA Form 861
Each bar is a band; taller bars hold more states. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EIA Form 861 · 2026-08-30
Utilities Ranked by Reliability · Michigan long-outage cohort
All 23 electric utilities in Michigan with reliability data, sorted by 2023 SAIDI; statewide average sits in the upper-third Form 861 band.
Lowest-SAIDI utilities in Michigan
Fewest outage minutes · live table sort
Top 10 Michigan utilities by fewest outage minutes. Lower SAIDI is better - not a quality score beyond interruption duration.
Lowest-SAIDI utilities in Michigan
| # | Utility | Type | SAIDI 2023 | SAIFI 2023 | Customers |
|---|---|---|---|---|---|
| 1 | Wyandotte Municipal Serv Comm | Municipal | 12.4 | 0.08 | 12,775 |
| 2 | City of Traverse City - (MI) | Municipal | 26.5 | 0.30 | 13,139 |
| 3 | City of Zeeland - (MI) | Municipal | 33.4 | 0.26 | 6,954 |
| 4 | Coldwater Board of Public Util | Municipal | 33.8 | 0.39 | 7,701 |
| 5 | Alpena Power Co | IOU | 36.9 | 0.46 | 16,750 |
| 6 | City of Lansing - (MI) | Municipal | 42.6 | 0.45 | 99,449 |
| 7 | City of Holland | Municipal | 46.8 | 0.70 | 30,855 |
| 8 | City of Bay City - (MI) | Municipal | 106.2 | 0.60 | 20,343 |
| 9 | Cherryland Electric Coop Inc | Cooperative | 108.9 | 0.82 | 38,006 |
| 10 | City of Sturgis - (MI) | Municipal | 150.9 | 1.07 | 7,121 |
| 11 | City of Marquette - (MI) | Municipal | 158.0 | 1.40 | 17,128 |
| 12 | City of Grand Haven - (MI) | Municipal | 158.7 | 1.45 | 14,955 |
| 13 | Alger-Delta Coop Electric Assn | Cooperative | 189.1 | 1.04 | 10,319 |
| 14 | Northern States Power Co | IOU | 245.2 | 1.59 | 259,879 |
| 15 | Great Lakes Energy Coop | Cooperative | 265.2 | 1.69 | 131,726 |
| 16 | Presque Isle Elec & Gas Coop | Cooperative | 279.4 | 1.25 | 34,926 |
| 17 | Upper Michigan Energy Resources Corp. | IOU | 365.0 | 1.32 | 37,244 |
| 18 | Cloverland Electric Co-op | Cooperative | 402.1 | 2.57 | 43,552 |
| 19 | Upper Peninsula Power Company | IOU | 425.1 | 1.58 | 53,271 |
| 20 | Midwest Energy Cooperative - (MI) | Cooperative | 558.0 | 2.00 | 35,527 |
| 21 | Tri-County Electric Coop (MI) | Cooperative | 913.0 | 1.06 | 26,994 |
| 22 | Consumers Energy Co - (MI) | IOU | 913.0 | 1.37 | 1,884,290 |
| 23 | DTE Electric Company | IOU | 1542.3 | 1.72 | 2,266,484 |
Nationwide states with similar utility inventory or customer scale
Cross-state peer sets for Michigan (upper-third SAIDI band). Nearest-SAIDI neighbors stay in Read-with; these neighborhoods compare EIA Form 861 headcount and summed customer accounts.
Similar utility headcount
Nearest states by reporting utility count (23 here).
Similar customer scale
Nearest states by summed customer accounts (5.1M here), excluding the headcount peer set.
Read with this Michigan roster · long-outage band
- Lowest published SAIDI in Michigan: Wyandotte Municipal Serv Comm (12.4 min)
- Highest published SAIDI in Michigan: DTE Electric Company (1542.3 min)
- Ownership mix here: Municipal leads (10 of 23 utilities) · national type means
- Nearest avg SAIDI: Oklahoma (1279.8 min)
- Nearest avg SAIDI: Kentucky (867.6 min)
- Nearest avg SAIDI: Tennessee (866.4 min)
- Nearest avg SAIDI: Mississippi (801.3 min)
- Nearest avg SAIDI: Arkansas (772.3 min)
Source: U.S. Energy Information Administration (EIA) Form 861 Annual Electric Power Industry Report, reliability · 2020-2023 State averages are rebuilt from utility filings in this portal DB; corpus ranks use headcount and customer sums.