| Case Number | Case Title | Open Date | Closed Date |
| 07-0054-GE-AAM | DUKE ENERGY OHIO | 01/22/2007 | 10/31/2007 |
| 07-0313-GE-AIS | DUKE ENERGY OHIO INC | 03/23/2007 | 08/17/2023 |
| 07-0601-GE-AIS | DUKE ENERGY OHIO, INC. | 05/16/2007 | 08/17/2023 |
| 07-0938-GE-UNC | IN THE MATTER OF THE INVESTIGATION INTO LONG TERM SOLUTIONS CONCERNING DISCONNECTION OF GAS AND ELECTRIC SERVICE IN WINTER EMERGENCIES | 08/22/2007 | 05/21/2008 |
| 07-1205-GE-UNC | DUKE ENERGY OHIO | 11/20/2007 | 08/17/2023 |