| Date Filed | Summary | Pages |
| 01/07/2020 | Correspondence In-Service and Completion Letter electronically filed by Carys Cochern on behalf of Duke Energy. | 2 |
| 08/19/2019 | Service Notice (Staff Report) | 3 |
| 08/19/2019 | Staff Report of Investigation electronically filed by Mr. Matt Butler on behalf of Staff of OPSB. | 4 |
| 08/08/2019 | Proof of Service in the Duke Energy Ohio, Inc. Zimmer Substation Separation Project electronically filed by Carys Cochern on behalf of Duke Energy. | 9 |
| 08/02/2019 | Correspondence letter stating expedited payment filed on behalf of Duke Energy Ohio, Inc. | 1 |
| 08/02/2019 | Application Zimmer Construction Notice electronically filed by Ms. Emily Olive on behalf of Duke Energy Ohio and D'Ascenzo, Rocco O. Mr. and Kingery, Jeanne W. Ms. | 21 |
| 07/25/2019 | In the matter of the Pre-Application Notification Letter electronically filed by Ms. Emily Olive on behalf of Duke Energy Ohio and D'Ascenzo, Rocco O. Mr. and Kingery, Jeanne W. Ms. | 2 |