| Date Filed | Summary | Pages |
| 05/24/2021 | Notification of Completion of Construction and In-Service Date electronically filed by Carys Cochern on behalf of Duke Energy Ohio, Inc. | 2 |
| 08/21/2020 | Notice of Compliance electronically filed by Mrs. Debbie L. Gates on behalf of Duke Energy Ohio Inc. and Jeanne W. Kingery, Mr. Rocco O. D'Ascenzo and Larisa Vaysman. | 2 |
| 06/12/2020 | Duke Energy Ohio, Inc. Pierce Substation Expansion Project Letter Accepting Conditions of Approval electronically filed by Carys Cochern on behalf of Duke Energy. | 2 |
| 06/08/2020 | Service Notice | 2 |
| 06/08/2020 | Duke Energy Ohio, Inc.'s Response to Staff Data Request 02-001 electronically filed by Carys Cochern on behalf of Duke Energy Ohio. | 2 |
| 06/08/2020 | Duke Energy Ohio, Inc.'s Response to Staff Data Request 03-001 electronically filed by Carys Cochern on behalf of Duke Energy Ohio. | 2 |
| 06/08/2020 | Staff Report of Investigation electronically filed by Mr. Matt Butler on behalf of Staff of OPSB. | 5 |
| 05/22/2020 | Duke Energy Ohio, Inc.'s Response to Staff Data Request 01-001 electronically filed by Carys Cochern on behalf of Duke Energy. | 5 |
| 04/02/2020 | Duke Energy Ohio, Inc. Proof of Service for the Pierce Substation Expansion Project electronically filed by Carys Cochern on behalf of Duke Energy. | 8 |
| 03/04/2020 | Construction Notice for The Duke Energy Ohio, Inc. Pierce Substation Expansion Project electronically filed by Carys Cochern on behalf of Duke Energy. | 58 |
| 02/10/2020 | Revised Pre-Application Notification Letter for the Pierce Substation Expansion Project electronically filed by Carys Cochern on behalf of Duke Energy Ohio, Inc. | 2 |
| 02/07/2020 | In the Matter of the Pre-Application Notification Letter for the Pierce Substation Expansion Project electronically filed by Carys Cochern on behalf of Duke Energy Ohio. | 2 |