November 2009
| U-15701 | Michigan Consolidated Gas Company, Erratum | 11/18/2009 |
| U-15342 | Presque Isle Electric & Gas Co-op and The Township of Allis (rehearing) | 11/12/2009 |
| U-15701 | Michigan Consolidated Gas Company ('10 GCR plan/factors) | 11/12/2009 |
| U-16079 | O.I.L. Energy Corp. (Act 9) | 11/12/2009 |
October 2009
| U-15794 | Border Energy, Inc. (AGS license) | 10/29/2009 |
| U-15980 | Just Energy Michigan Corp (AGS license) | 10/29/2009 |
| U-15990 | Michigan Gas Utilities Corporation (self-implementation) | 10/29/2009 |
| U-16015 | Santanna Energy Services (AGS license) | 10/29/2009 |
| U-15929 | Consumers Energy Company, Michigan Consolidated Gas Company, Michigan Gas Utilities Corporation, and SEMCO Energy Gas Company (investigation) | 10/13/2009 |
| U-15986 | Consumers Energy Company (self-implementation of rates) | 10/13/2009 |
September 2009
| U-13898 ET AL. | U-13898 Michigan Consolidated Gas Company; U-13899 Michigan Consolidated Gas Company (remand) | 09/29/2009 |
| U-15700 | U-15700 Michigan Gas Utilities Corporation ('10 GCR plan) | 09/29/2009 |
| U-15702 | U-15702 SEMCO Energy Gas Company ('09-'10 GCR plan) | 09/29/2009 |
| U-15890 | U-15890 Michigan Consolidated Gas Company (energy optimization financial incentive) | 09/29/2009 |
| U-15629 | U-15629 Consumers Energy Company (depreciation rates) | 09/29/2009 |
| U-15342 | Presque Isle Electric & Gas Co-op and The Township of Allis (motion for clarification) | 09/15/2009 |
| U-16050 | Washington 10 Storage Corporation (phase III) | 09/15/2009 |
August 2009
| U-13898 | Michigan Consolidated Gas Company ('08 uncollectible expense true-up mechanism) | 08/25/2009 |
| U-15342 | Presque Isle Electric & Gas Co-op and The Township of Allis (rate case) | 08/25/2009 |
| U-15724 | Debra Davis v Consumers Energy Company and The Detroit Edison Company | 08/25/2009 |
| U-15953 | SEMCO Energy Gas Company (tariff revisions) | 08/25/2009 |
| U-15040-R | Michigan Gas Utilities Corporation ('08 GCR reconciliation) | 08/11/2009 |
| U-15451 | Michigan Consolidated Gas Company ('09 GCR plan) | 08/11/2009 |
| U-15679 | SEMCO Energy Gas Company (accounting authority) | 08/11/2009 |
| U-15774 ET AL | Presque Isle Electric & Gas Co-op and the Village of Hillman (establish rates, charges, terms and conditions), U-15775 - Presque Isle Electric & Gas Co-op (gas cost recovery clause) and U-15776 - Presque Isle Electric & Gas Co-op (gas cost recovery plan and factors) | 08/11/2009 |
| U-15920 | Tina Rhines v Consumers Energy Company | 08/11/2009 |
| U-15979 | Alli Billi v Michigan Consolidated Gas Company | 08/11/2009 |
July 2009
| U-15799 | Jennifer Foster v Universal Gas & Electric Company | 07/16/2009 |
| U-15925 | Cyclone-Grand Blanc, LLC, and Cyclone-Davidson, LLC v Universal Gas & Electric Corporation | 07/16/2009 |
| U-15931 | Fratello’s Inc., Better Health Chiropractic & Rehab, P.C., Frank Concessi, and Vince Concessi v Lakeshore Energy Services, LLC | 07/16/2009 |
| U-15971 | Michigan Consolidated Gas Company (ex parte approval of special fuel rates) | 07/16/2009 |
| U-15042-R | Michigan Consolidated Gas Company ('08 GCR reconciliation) | 07/01/2009 |
| U-15043-R | SEMCO Energy Gas Company ('08 GCR reconciliation) | 07/01/2009 |
| U-15350-R | Wisconsin Public Service Corporation ('08 GCR reconciliation) | 07/01/2009 |
| U-15577 | Universal Gas & Electric Corporation (rehearing) | 07/01/2009 |
| U-15735 | Acme Builders LLC v DTE Energy Company | 07/01/2009 |
| U-15769 | KBD #1, LLC (pipeline) | 07/01/2009 |
| U-15959 | Jackson Pipeline Company (contract change) | 07/01/2009 |
| 15960 | Jackson Pipeline Company (contract change) | 07/01/2009 |
June 2009
| U-15703 | SEMCO Energy Gas Company ('09-'10 GCR plan) | 06/02/2009 |
| U-15890 | Michigan Consolidated Gas Company (energy optimization plan) | 06/02/2009 |
| U-15926 | Wisconsin Public Service Corporation (gas transportation tariff revision) | 06/02/2009 |
| U-15955 | Atlas Gas & Oil Company (pipeline) | 06/02/2009 |
May 2009
| U-15705 | Northern States Power Company ('09-'10 GCR plan) | 05/26/2009 |
| U-15749 | Northern Michigan Pipeline Company, LC (settlement agreement) | 05/26/2009 |
| U-15891 | Michigan Gas Utilities Corporation (energy optimization) | 05/26/2009 |
| U-15893 | SEMCO Energy, Inc. (energy optimization) | 05/26/2009 |
April 2009
| U-14292 ET AL | Commission's Own Motion (accounting), and U-15963 - Michigan Gas Utilities Corporation (depreciation rates) | 04/30/2009 |
| U-15622 | Wisconsin Public Service Corporation ('09 GCR plan) | 04/30/2009 |
| U-15701 | Michigan Consolidated Gas Company ('10 GCR plan) | 04/30/2009 |
| U-13823 | Cornerstone Energy, Inc., d/b/a Cornerstone Energy Marketing, Inc. (AGS license relinquishment) | 04/16/2009 |
| U-15451 | Michigan Consolidated Gas Company ('09 GCR factors) | 04/16/2009 |
| U-15509 | Commission’s Own Motion (complaint); U-15577 Commission’s Own Motion (complaint); U-15929 Commission’s Own Motion (gas choice tariffs) | 04/16/2009 |
| U-15545 | Commission’s Own Motion (gas safety standards) | 04/16/2009 |
March 2009
| U-13898 | Michigan Consolidated Gas Company (rehearing) | 03/05/2009 |
| U-15044-R | Northern States Power Company ('08 GCR reconciliation) | 03/05/2009 |
| U-15130-R | SEMCO Energy Gas Company ('08 GCR reconciliation) | 03/05/2009 |
| U-15628 | Michigan Consolidated Gas Company (accounting) | 03/05/2009 |
| U-15707 | Wisconsin Public Service Corporation (depreciation rates) | 03/05/2009 |
February 2009
| U-15749 | Northern Michigan Pipeline Company, LC (pipeline) | 02/20/2009 |
| U-15708 | Ronald Bartell v Michigan Consolidated Gas Company | 02/03/2009 |
| U-15454 | Consumers Energy Company ('08-'09 GCR plan) | 02/03/2009 |
| U-15467 | Michigan Gas Utilities Corporation (accounting) | 02/03/2009 |
| U-15606 | International Specialty Tube, LLC v Universal Gas & Electric Corporation | 02/03/2009 |
| U-15628 | Michigan Consolidated Gas Company (leave to appeal) | 02/03/2009 |
| U-15657 | Emma Isabel B. Bennett v Consumers Energy Company | 02/03/2009 |
January 2009
| U-15529 | Atlas Gas & Oil Company, LLC v Jordan Valley Pipeline Company and DTE Terra Hayes Gathering Company | 01/13/2009 |
| U-15549 | Michigan Gas Utilities Corporation (rate case) | 01/13/2009 |
| U-15550 ET AL | Michigan Gas Utilities Corporation (depreciation rates and practices) | 01/13/2009 |
| U-15553 ET AL | Breitburn Operating L.P. and U-15554 - Breitburn Operating L.P. (operation of gas wells) | 01/13/2009 |
| U-15555 ET AL | Terra Energy Company, LLC, U-15556 - Terra Energy Company, LLC and U-15557 - Terra Energy Company, LLC (operation of gas wells) | 01/13/2009 |
| U-15558 ET AL | Highmount Midwest Energy, LLC, U-15559 - Highmount Midwest Energy, LLC and U-15560 - Highmount Midwest Energy, LLC (operation of gas wells) | 01/13/2009 |
| U-15561 ET AL | Trendwell Energy Corporation, U-15562 - Trendwell Energy Corporation and U-15563 - Trendwell Energy Corporation (operation of gas wells) | 01/13/2009 |
| U-15564 ET AL | Belden & Blake Corporation, d/b/a Ward Energy, U-15565 - Belden & Blake Corporation, d/b/a Ward Energy and U-15566 - Belden & Blake Corporation, d/b/a Ward Energy (operation of gas wells) | 01/13/2009 |
| U-15749 | Northern Michigan Pipeline Company, LC (operation of gas wells) | 01/13/2009 |