December 2010
| U-16257 | Michigan Consolidated Gas Company (Erratum to the December 21, 2010 Commission's Order) | 12/22/2010 |
| U-16149 | Consumers Energy Company ('10 GCR plan) | 12/21/2010 |
| U-16169 | SEMCO Energy Gas Company (rate case) | 12/21/2010 |
| U-16188 | Savoy Energy Limited Partnership (pipeline) | 12/21/2010 |
| U-16257 | Michigan Consolidated Gas Company (uncollectible expense true-up mechanism) | 12/21/2010 |
| U-16441 | Consumers Energy Company (self-implementation refund) | 12/21/2010 |
| U-16493 | Michigan Consolidated Gas Company (transportation contract) | 12/21/2010 |
| U-16494 | Michigan Consolidated Gas Company (transportation storage contract) | 12/21/2010 |
| U-16506 | Presidium Antrim West, LC (Act 9 pipeline) | 12/21/2010 |
| U-16400 | Michigan Consolidated Gas Company (rate case) | 12/13/2010 |
| U-16388 | Continental Resources, Inc. (show cause) | 12/02/2010 |
November 2010
| U-15454-R | Consumers Energy Company ('09 GCR reconciliation) | 11/04/2010 |
October 2010
| U-15990 | Michigan Gas Utilities Corporation (rehearing) | 10/26/2010 |
| U-16295 | Commission's Own Motion (gas safety rules) | 10/26/2010 |
| U-16392 | Stream Energy Michigan, LLC (application dismissal) | 10/26/2010 |
| U-15451-R | Michigan Consolidated Gas Company ('09 GCR reconciliation) | 10/14/2010 |
| U-15963 | Michigan Gas Utilities Corporation (depreciation rates) | 10/14/2010 |
| U-16119 | Major Energy Services, LLC (application dismissal) | 10/14/2010 |
| U-16122 | Hanover Pipeline, LLC (Act 9 pipeline) | 10/14/2010 |
| U-16442 | Presidium Antrim West, LC (Act 9 pipeline) | 10/14/2010 |
September 2010
| U-16146 | Michigan Consolidated Gas Company ('11 GCR plan) | 09/28/2010 |
| U-16398 | Marathon Pipe Line LLC (Act 16 pipeline) | 09/28/2010 |
| U-16399 | Woodhaven GR, Inc. v DTE Energy Company | 09/28/2010 |
| U-15643 | Evergreen Preservation Group, LLC (pipeline application dismissal) | 09/14/2010 |
| U-16145 | Michigan Gas Utilities Corporation ('11 GCR plan) | 09/14/2010 |
| U-16147 | SEMCO Energy Gas Company ('10-'11 GCR plan) | 09/14/2010 |
| U-16403 | Hudson Pipeline & Processing Co., LLC (Act 9 pipeline) | 09/14/2010 |
August 2010
| U-15622-R | Wisconsin Public Service Corporation ('09 GCR reconciliation) | 08/30/2010 |
| U-16008 | Atlas Gas & Oil Company, LLC (pipeline application dismissal) | 08/30/2010 |
| U-16435 | Wellmaster Exploration & Production Company, LLC (pipeline) | 08/30/2010 |
| U-16436 | Sinclair Transportation Company (pipeline) | 08/30/2010 |
July 2010
| U-15985 | Michigan Consolidated Gas Company (rehearing) | 07/27/2010 |
| U-16245 | Angela Gawlowski v DTE Energy Company | 07/27/2010 |
| U-16194 | Washington 10 Storage Corporation (tariffs) | 07/13/2010 |
| U-16225 | Gregory J. Reed v Michigan Consolidated Gas Company and DTE Energy Company | 07/13/2010 |
| U-16293 | SEMCO Energy Gas Company (EO plan reconciliation) | 07/13/2010 |
| U-15766 | MichCon Gathering Company v Highmount Midwest Energy LLC and Highmount Exploration & Production Michigan LLC (rehearing) | 07/01/2010 |
| U-15990 | Michigan Gas Utilities Corporation (rate case) | 07/01/2010 |
| U-16295 | Commission's Own Motion (gas safety rulemaking) | 07/01/2010 |
| U-16388 | Commission's Own Motion (show cause) | 07/01/2010 |
June 2010
| U-15452-R | SEMCO Energy Gas Company (’09 GCR reconciliation) | 06/24/2010 |
| U-15582 | Whitewater Express Pipeline Company, LLC (amend pipeline route) | 06/24/2010 |
| U-15890 | Michigan Consolidated Gas Company (revised EO plan) | 06/24/2010 |
| U-16148 | SEMCO Energy Gas Company (’11 GCR plan and factors) | 06/24/2010 |
| U-16165 | Glacial Natural Gas, Inc. (AGS license) | 06/24/2010 |
| U-16176 | Mart Trust v Michigan Consolidated Gas Company and The Detroit Edison Company | 06/24/2010 |
| U-16245 | Angela Gawlowski v DTE Energy Company | 06/24/2010 |
| U-16271 | George A. Robinson v DTE Energy Company | 06/24/2010 |
| U-16291 | Michigan Gas Utilities Corporation (energy optimization plan reconciliation) | 06/24/2010 |
| U-15985 | Michigan Consolidated Gas Company (Erratum to the June 3, 2010 Commission's Order) | 06/09/2010 |
| U-15450-R | Michigan Gas Utilities Corporation ('08-'09 GCR reconciliation) | 06/03/2010 |
| U-15699 | Michigan Consolidated Gas Company (depreciation) | 06/03/2010 |
| U-15890 | Michigan Consolidated Gas Company (energy optimization plan) | 06/03/2010 |
| U-15964 | Commission's Own Motion (rules for mergers and acquisitions) | 06/03/2010 |
| U-15985 | Michigan Consolidated Gas Company (rate case) | 06/03/2010 |
| U-16122 ET AL. | Hanover Pipeline, L.L.C. (pipeline application), and U-16201 - Continental Resources, Inc. (closing docket) | 06/03/2010 |
| U-16178 | Arcadia Brewing Company v SEMCO Energy Gas Company | 06/03/2010 |
| U-16229 | Robert J. Connelly v Consumers Energy Company | 06/03/2010 |
| U-16265 | Summit Petroleum Corporation (Act 9 Pipeline) | 06/03/2010 |
May 2010
| U-15986 | Consumers Energy Company (rate case) | 05/17/2010 |
| U-16150 | Northern States Power Company ('11 GCR plan) | 05/17/2010 |
April 2010
| U-16204 | Stan Moeggenborg v Michigan Consolidated Gas Company & The Detroit Edison Company | 04/27/2010 |
| U-16205 | Bishop Energy Services, LLC (AGS license) | 04/27/2010 |
| U-16230 | Commission's Own Motion (Antrim Shale vacuum cases) | 04/27/2010 |
| U-16295 | Commission's Own Motion (gas safety rulemaking) | 04/27/2010 |
| U-15509 | Universal Gas & Electric Corporation (closing docket) | 04/13/2010 |
| U-15766 | MichCon Gathering Company v Highmount Midwest Energy and Highmount Exploration & Production Michigan, LLC | 04/13/2010 |
| U-16062 | Family Energy Inc., d/b/a Family Energy Services (closing docket) | 04/13/2010 |
| U-16138 | Juanita Crespo v DTE Energy Company | 04/13/2010 |
| U-16151 | Presque Isle Electric & Gas Co-op (GCR plan and factors) | 04/13/2010 |
| U-16175 | William Johnson v Michigan Consolidated Gas Company and The Detroit Edison Company | 04/13/2010 |
| U-16187 | Integry's Energy Services-Natural Gas, LLC (AGS license) | 04/13/2010 |
March 2010
| U-15453-R | SEMCO Energy Gas Company ('09 GCR reconciliation) | 03/18/2010 |
| U-15699 | Michigan Consolidated Gas Company (depreciation rates) | 03/18/2010 |
| U-16149 | Consumers Energy Company ('10-'11 GCR plan and factors) | 03/18/2010 |
| U-16177 | South Romeo Gas Storage Company , L.L.C. (certificate of public convenience and necessity) | 03/18/2010 |
| U-16188 | Savoy Energy Limited Partnership (pipeline) | 03/18/2010 |
| U-14036 | Proliance Energy, LLC ('09-'10 AGS license relinquishment) | 03/02/2010 |
| U-15455-R | Northern States Power Company ('08-'09 gas cost reconciliation) | 03/02/2010 |
| U-15704 | Consumers Energy Company ('09-'10 GCR plan and factors) | 03/02/2010 |
| U-16010 | Wisconsin Public Service Corporation ('09-'10 GCR plan) | 03/02/2010 |
| U-16124 | Springbrook Inn v Universal Gas & Electric Corporation | 03/02/2010 |
February 2010
| U-15985 | Michigan Consolidated Gas Company (motion for temporary order) | 02/08/2010 |
| U-14434 | Presque Isle Electric & Gas Co-op (AGS relinquishment) | 02/08/2010 |
| U-15629 | Consumers Energy Company (depreciation rates) | 02/08/2010 |
January 2010
| U-15728 | Toro Energy of Michigan, LLC (closing docket) | 01/25/2010 |
| U-15936 | Stephanie Barnett-Obomanu v DTE Energy Company | 01/25/2010 |
| U-16107 | Len Industries, Inc. v Consumers Energy Company | 01/25/2010 |