| Date Filed | Summary | Pages |
| 06/11/1992 | Entry closing case. | 0 |
| 06/07/1991 | Motion for leave to file supplemental memorandum filed on behalf of OCC by B. Cohen. | 0 |
| 05/22/1991 | Motion for leave to file supplemental memorandum responding to new material in OCC's reply memorandum and memorandum in support filed on behalf of DP&L by P. Horstman. | 0 |
| 05/22/1991 | Motion for leave to file response to OCC's reply memorandum, filed on behalf of CG&E by A. Buchmann. | 0 |
| 05/22/1991 | Response to reply memorandum of OCC on its motion for a joint proceeding, filed on behalf of CG&E by A. Buchmann. | 0 |
| 05/22/1991 | Supplemental memorandum in response to OCC's reply to memorandum contra motion for joint proceeding, filed on behalf of DP&L by C. Faruki. | 0 |
| 05/10/1991 | Reply to memorandum contra its motion for a joint proceeding filed on behalf of OCC by B. Weston. | 0 |
| 04/30/1991 | Response to the motion of OCC for joint proceeding on common Zimmer issues filed on behalf of DP&L by P. Horstman. | 0 |
| 04/30/1991 | Memorandum contra to motion for joint proceeding on common issues filed on behalf of CG&E by A. Buchmann. | 0 |
| 04/30/1991 | Response to OCC's motion for joint proceeding on common Zimmer issues filed on behalf of applicant by M. Resnik. | 0 |
| 04/12/1991 | Motion for joint proceeding on common issues and memorandum in support filed on behalf of OCC by R. Pace, Sr. | 0 |
| 04/05/1991 | Motion to intervene and memorandum in support filed on behalf of OCC by J. Pepper. | 0 |
| 02/27/1991 | In the matter of the joint application of The Cincinnati Gas and Electric Company and Columbus Southern Power Company for authority to establish depreciation accrual rates for Wm. H. Zimmer Generating Station. | 0 |