| Case Number | Case Title | Open Date | Closed Date |
| 17-2089-GE-COI | IN THE MATTER OF THE COMMISSION'S INVESTIGATION OF THE DISCONNECTION PRACTICES AND POLICIES OF DUKE ENERGY OHIO INC | 10/03/2017 | 09/01/2023 |
| 19-0957-GE-COI | In the Matter of the Commission's Investigation into PALMco Power OH, LLC dba Indra Energy and PALMco Energy OH, LLC dba Indra Energy's Compliance | 04/16/2019 | 09/05/2023 |
| 20-1216-GE-COI | In the Matter of the Commission’s Investigation into SFE Energy Ohio, Inc. and Statewise Energy Ohio LLC’s Compliance with the Ohio Revised Code, Ohio | 06/29/2020 | 10/12/2022 |
| 83-0303-GE-COI | DISCONNECTION FOR WINTER EMERGENCY | 02/25/1983 | 08/17/2023 |