May 2012
| U-16447 | Michigan Consolidated Gas Company (self-implementation refund) | 05/24/2012 |
| U-16838 | Enbridge Energy (Act 16 pipeline) | 05/24/2012 |
| U-16937 | Enbridge Pipelines (Toledo) Inc. (Act 16 pipeline) | 05/24/2012 |
| U-16969 | Continental Energy Systems LLC, SEMCO Holding Corporation, SEMCO Energy, Inc., SEMCO Pipeline Company, SEMCO Gas Storage Company, AltaGas Ltd. and AltaGas Utility Holdings (U.S.) LLC (transfer of ownership) | 05/24/2012 |
| U-16982 | Dillon Energy Services, Inc. (application for AGS license) | 05/24/2012 |
| U-16926 | Presque Isle Electric & Gas Co-op ('12-'13 GCR plan) | 05/01/2012 |
April 2012
| U-16147-R | SEMCO Energy Gas Company ('10-'11 GCR reconciliation) | 04/17/2012 |
| U-16482 | Michigan Consolidated Gas Company ('11-'12 GCR plan) | 04/17/2012 |
| U-16730 | Michigan Consolidated Gas Company (energy optimization plan amendment) | 04/17/2012 |
| U-16925 | Northern States Power Company - Wisconsin d/b/a Xcel Energy ('12-'13 GCR plan) | 04/17/2012 |
| U-16975 | Michigan Consolidated Gas Company (Biogreen gas pilot program) | 04/17/2012 |
| U-16995 | CVB Pipeline (Act 9 pipeline) | 04/17/2012 |
| U-17002 | Michigan Consolidated Gas Company (transportation contract) | 04/17/2012 |
| U-16838 | U-16838 Enbridge Energy, Limited Partnership (late-filed interventions) | 04/06/2012 |
| U-16904 | U-16904 Lisa Schafke v Consumers Energy Company | 04/06/2012 |
| U-16945 | U-16945 Vista Energy Marketing-Limited Partnership (application withdrawal) | 04/06/2012 |
March 2012
| U-15704-R | Consumers Energy Company ('09 - '10 GCR reconciliation) | 03/08/2012 |
| U-16150-R | Northern States Power Company ('10 - '11 GCR reconciliation) | 03/08/2012 |
| U-16230 | Commission's Own Motion (vacating order) | 03/08/2012 |
| U-16485 | Consumers Energy Company ('11 - '12 GCR plan case) | 03/08/2012 |
| U-16873 | Joseph Williams v Consumers Energy Company | 03/08/2012 |
| U-16910 | Ardent Natural Gas, LLC (alternative gas supplier) | 03/08/2012 |
February 2012
| U-16855 | Consumers Energy Company (self-implementation) | 02/23/2012 |
| U-16148-R | SEMCO Energy Gas Company ('10-'11 GCR reconciliation) | 02/15/2012 |
| U-16151-R | Presque Isle Electric & Gas Co-op ('11 GCR reconciliation) | 02/15/2012 |
January 2012
| U-16481 ET AL. | Michigan Gas Utilities Corporation, and U-16513 - Michigan Gas Utilities Corporation (GCR reconciliation) | 01/26/2012 |
| U-16878 | Vectren Retail LLC d/b/a Vectren Source (withdrawal of application for AGS license) | 01/26/2012 |
| U-16961 | Michigan Consolidated Gas Company (LIEEF refund) | 01/26/2012 |
| U-16963 | Consumers Energy Company (LIEEF refund) | 01/26/2012 |
| U-16772 | Rochelle Daniel on behalf of Loretta Daniel v The Detroit Edison Company and Michigan Consolidated Gas Company | 01/12/2012 |
| U-16935 | Michigan Consolidated Gas Company (withdrawal of application) | 01/12/2012 |