December 2011
| U-16535 | Michigan Consolidated Gas Company (accounting) | 12/20/2011 |
| U-16857 | Steven Cole v Consumers Energy Company | 12/20/2011 |
| U-16931 | Consumers Energy Company (contract change) | 12/20/2011 |
| U-15700-R | Michigan Gas Utilities Corporation ('10 GCR reconciliation) | 12/06/2011 |
| U-15701-R | Michigan Consolidated Gas Company ('10 GCR reconciliation) | 12/06/2011 |
| U-16784 | Kurt Sielaff v Consumers Energy Company | 12/06/2011 |
| U-16826 | Breitburn Operating, L.P. and Terra Energy Company LLC v DCP Jordan Valley Pipeline, LLC and DCP Terra Hayes Gathering, LLC | 12/06/2011 |
| U-16856 | Enbridge Energy, Limited Partnership (Act 16) | 12/06/2011 |
November 2011
| U-16230 | Commission's Own Motion (vacuum well investigation – leave to appeal) | 11/10/2011 |
| U-16290 | Michigan Consolidated Gas Company ('10 EOP reconciliation) | 11/10/2011 |
| U-16451 | Michigan Consolidated Gas Company (meter move out) | 11/10/2011 |
| U-16850 | Wisconsin Public Service Corporation ('12 GCR plan) | 11/10/2011 |
| U-16874 | SEMCO Energy Gas Company (natural gas transportation contracts) | 11/10/2011 |
October 2011
| U-16556 | Presque Isle Electric & Gas Co-op (TIER) | 10/20/2011 |
| U-16816 | Consumers Energy Company (Act 69 certificate of public convenience and necessity) | 10/20/2011 |
| U-16843 | Aurora Gas Company (public utilities assessment) | 10/20/2011 |
| U-16872 | Encana Oil & Gas (USA) Inc. (Act 9 pipeline) | 10/20/2011 |
| U-15985 | Michigan Consolidated Gas Company (LIEEF modification) | 10/04/2011 |
| U-16418 | Consumers Energy Company (rehearing) | 10/04/2011 |
| U-16815 | Presidium Antrim West, LC (Act 9 Pipeline) | 10/04/2011 |
| U-16867 | West Bay Exploration Company (Act 9 Pipeline) | 10/04/2011 |
September 2011
| U-16407 | Michigan Consolidated Gas Company (main renewal plan) | 09/13/2011 |
| U-16418 | Consumers Energy Company (rate case - motion to extend time) | 09/13/2011 |
| U-16451 | Michigan Consolidated Gas Company (meter move-out plan) | 09/13/2011 |
| U16583 | International Paint Stripping v Michigan Consolidated Gas Company | 09/13/2011 |
| U-16757 | Michigan Consolidated Gas Company (uncollectable expense true-up mechanism) | 09/13/2011 |
| U-16866 | Commission's own motion (investigation) | 09/13/2011 |
August 2011
| U-16483 ET AL. | SEMCO Energy Gas Company and U-16484 - SEMCO Energy Gas Company ('11 – '12 GCR plan and factors) | 08/25/2011 |
| U-16731 | Michigan Gas Utilities Corporation (energy optimization plan) | 08/25/2011 |
| U-16733 | SEMCO Energy Gas Company (energy optimization plan) | 08/25/2011 |
| U-16769 | Michigan Consolidated Gas Company (extension of time) | 08/25/2011 |
| U-16802 | Xoom Energy Michigan, LLC (AGS application) | 08/25/2011 |
| U-16418 | Consumers Energy Company (rate case) | 08/11/2011 |
| U-16570 | Michigan Gas Utilities Corporation (decoupling) | 08/11/2011 |
| U-16837 | Encana Oil & Gas (USA) Inc. (pipeline) | 08/11/2011 |
July 2011
| U-16418 | Consumers Energy Company (rate increase) | 07/26/2011 |
| U-16558 | Michigan Consolidated Gas Company (wellhead pressure) | 07/26/2011 |
| U-16805 | Whiting Oil & Gas (Act 9 pipeline) | 07/26/2011 |
| U-15702-R | SEMCO Energy Gas Company ('10 GCR reconciliation) | 07/12/2011 |
| U-16010-R | Wisconsin Public Service Corporation ('10 GCR reconciliation) | 07/12/2011 |
| U-16569 | Michigan Gas Utilities Corporation (UETM reconciliation) | 07/12/2011 |
June 2011
| U-16292 | Michigan Gas Utilities Corporation (energy optimization plan reconciliation) | 06/28/2011 |
| U-16294 | SEMCO Energy Company (energy optimization plan reconciliation) | 06/28/2011 |
| U-16486 | Northern States Power Company ('12 GCR plan) | 06/28/2011 |
| U-16487 | Presque Isle Electric & Gas Co-op ('12 GCR plan) | 06/28/2011 |
May 2011
| U-16418 | Consumers Energy Company (rate case settlement) | 05/26/2011 |
| U-16527 | Centerpoint Energy Services, Inc. (AGS license) | 05/26/2011 |
| U-16553 | Presidium Antrim West, LC (Act 9 pipeline) | 05/10/2011 |
April 2011
| U-16456 | MichCon Gathering Company and Michigan Consolidated Gas Company (declaratory ruling) | 04/12/2011 |
March 2011
| U-16671 ET AL. | The Detroit Edison Company and U-16730 - Michigan Consolidated Gas Company (Erratum to the March 17, 2011 Commission's Order) | 03/23/2011 |
| U-14811 ET AL | Commission's Own Motion (rules - electric accounts) and U-14812 - Commission's Own Motion (rules - gas accounts) | 03/17/2011 |
| U-15705-R | Northern States Power Company ('10 GCR reconciliation) | 03/17/2011 |
| U-15776-R | Presque Isle Electric & Gas Co-op ('10 GCR reconciliation) | 03/17/2011 |
| U-15890 | Michigan Consolidated Gas Company (rehearing) | 03/17/2011 |
| U-16669 ET AL. | Alpena Power Company, U-16670 - Consumers Energy Company, U-16671 - The Detroit Edison Company, U-16673 - Indiana Michigan Power Company, U-16674 - Northern States Power Company-Wisconsin (Xcel), U-16675 - Upper Peninsula Power Company, U-16676 - Wisconsin Public Service Corporation, U-16677 Wisconsin Electric Power Company, U-16678 - Alger Delta Cooperative Electric Association, U-16679 - Bayfield Electric Cooperative, Inc., U-16680 - Cherryland Electric Cooperative, U-16681 - Cloverland Electric Cooperative, U-16682 - Great Lakes Energy Cooperative, U-16683 - Midwest Energy Cooperative, U-16684 - Ontonagon County Rural Electrification Association, U-16685 - Presque Isle Electric & Gas Co-op, U-16686 - Thumb Electric Cooperative, U-16687 - Tri-County Electric Cooperative, U-16688 - Village of Baraga, U-16689 - City of Bay City, U-16690 - City of Charlevoix, U-16691 - Chelsea Department of Electric & Water, U-16692 - Village of Clinton, U-16693 - Coldwater Board of Public Utilities, U-16694 - Croswell Municipal Light & Power Department, U-16695 - City of Crystal Falls, U-16696 - Daggett Electric Department, U-16697 - Detroit Public Lighting Department, U-16698 - City of Dowagiac, U-16699 - City of Eaton Rapids, U-16700 - City of Escanaba, U-16701 - City of Gladstone, U-16702 - Grand Haven Board of Light & Power, U-16703 - City of Harbor Springs, U-16704 - City of Hart Hydro, U-16705 - Hillsdale Board of Public Utilities, U-16706 - Holland Board of Public Works, U-16707 - Village of L'Anse, U-16708 - Lansing Board of Water & Light, U-16709 - Lowell Light & Power, U-16710 - Marquette Board of Light & Power, U-16711 - Marshall Electric Department, U-16712 - Negaunee Department of Public Works, U-16713 - Newberry Water and Light Board, U-16714 - Niles Utilities Department, U-16715 - City of Norway, U-16716 - Village of Paw Paw, U-16717 - City of Petoskey, U-16718 City of Portland, U-16719 - City of Sebewaing, U-16720 - City of South Haven, U-16721 - City of St. Louis, U- 16722 - City of Stephenson, U-16723 - City of Sturgis, U-16724 - Traverse City Light & Power, U-16725 - Union City Electric Department, U-16726 - City of Wakefield, U-16727 - Wyandotte Department of Municipal Service, U-16728 - Zeeland Board of Public Works (energy optimization plan/reconciliation cases) | 03/17/2011 |
February 2011
| U-15451-R | Michigan Consolidated Gas Company (2009 GCR reconciliation) | 02/22/2011 |
| U-15703-R | SEMCO Energy Gas Company (2010 GCR reconciliation) | 02/22/2011 |
| U-15964 | Commission's Own Motion (merger and acquisition rules) | 02/22/2011 |
| U-16490 | Hayes Otsego Pipeline, LLC (pipeline) | 02/22/2011 |
| U-16249 | Presque Isle Electric & Gas Co-op (closing docket) | 02/08/2011 |
| U-16289 | Michigan Consolidated Gas Company ('09 EO reconciliation) | 02/08/2011 |
| U-16390 | Wisconsin Public Service Corporation ('11 GCR plan and factors) | 02/08/2011 |
| U-16418 | Consumers Energy Company (self-implemented rate increase) | 02/08/2011 |
January 2011
| U-16145 | Michigan Gas Utilities Corporation ('11 GCR plan and factors) | 01/20/2011 |
| U-16443 | Breitburn Operating, L.P., Terra Energy Company, LLC, Delta Oil Company, HRF Antrim Limited Partnership, Paxton Resources, LLC, O.I.L. Energy Corp., Muskegon Development Company, Trendwell Energy Corporation, Belden & Blake Corporation, CGAS Properties, L.P., NuEnergy Operating, Inc., Yohe Enterprises, Inc., Bagley Energy, LLC, Jordan Development Company, LLC, and IG Investment Company, LLC v DCP Midstream, LLC, and MichCon Gathering Company | 01/20/2011 |
| U-16447 | Michigan Consolidated Gas Company (self-implemented revenues refund) | 01/20/2011 |
| U-16450 | Wolverine Pipeline Company (application dismissal) | 01/20/2011 |
| U-16125 | SEMCO Energy Gas Company (capacity improvement surcharge) | 01/06/2011 |
| U-16169 | SEMCO Energy Gas Company (rate case) | 01/06/2011 |
| U-16522 | SEMCO Energy Gas Company (special contract) | 01/06/2011 |