| City of Norway | 10% | 14 | Municipal |
| Grand Rapids (water/sewer) | 10% | not reported | Municipal |
| Ann Arbor (water/sewer) | 10% | not reported | Municipal |
| Sterling Heights (water/sewer) | 6% | not reported | Municipal |
| City of Lansing - (MI) | 5% | 27,372 | Municipal |
| Tri-County Electric Coop (MI) | 5% | 185 | Cooperative |
| Detroit (water/sewer) | 5% | not reported | Municipal |
| Lansing (water/sewer) | 5% | not reported | Municipal |
| Indiana Michigan Power Co | 3% | 81,165 | Investor Owned |
| Warren (water/sewer) | 3% | not reported | Municipal |
| DTE Electric Company | 2% | 190,173 | Investor Owned |
| Consumers Energy Co - (MI) | 2% | 97,706 | Investor Owned |
| Great Lakes Energy Coop | 2% | 4,887 | Cooperative |
| Upper Peninsula Power Company | 2% | 2,221 | Investor Owned |
| Cloverland Electric Co-op | 2% | 907 | Cooperative |
| Cherryland Electric Coop Inc | 2% | 1,631 | Cooperative |
| Presque Isle Elec & Gas Coop | 2% | 402 | Cooperative |
| City of Holland | 2% | 1,996 | Municipal |
| City of Bay City - (MI) | 2% | not reported | Municipal |
| Alpena Power Co | 2% | 196 | Investor Owned |
| Northern States Power Co | 1% | 12,326 | Investor Owned |
| Upper Michigan Energy Resources Corp. | not published | 1,000 | Investor Owned |
| Midwest Energy Cooperative - (MI) | not published | 16,052 | Cooperative |
| City of Marquette - (MI) | not published | 242 | Municipal |
| City of Grand Haven - (MI) | not published | 841 | Municipal |
| Wyandotte Municipal Serv Comm | not published | 1,073 | Municipal |
| Alger-Delta Coop Electric Assn | not published | 59 | Cooperative |
| City of Traverse City - (MI) | not published | not reported | Municipal |
| Coldwater Board of Public Util | not published | not reported | Municipal |
| City of Sturgis - (MI) | not published | 460 | Municipal |
| City of Zeeland - (MI) | not published | 74 | Municipal |
| City of Gladstone | not published | 97 | Municipal |
| City of Negaunee | not published | 35 | Municipal |
| City of Crystal Falls | not published | 5 | Municipal |
| Village of L'Anse - (MI) | not published | 25 | Municipal |
| Village of Baraga - (MI) | not published | 105 | Municipal |
| Wolverine Power Marketing Coop | not published | not reported | Cooperative |