| Date Filed | Summary | Pages |
| 07/17/2019 | Notice of Completion and In-Service electronically filed by Carys Cochern on behalf of Duke Energy. | 2 |
| 02/04/2019 | Notice of Change of Construction Start Date electronically filed by Carys Cochern on behalf of Duke Energy. | 2 |
| 12/03/2018 | Correspondence Accepting Staff Conditions electronically filed by Ms. Emily Olive on behalf of Duke Energy Ohio. | 3 |
| 11/29/2018 | Service Notice | 2 |
| 11/29/2018 | Staff Report of Investigation electronically filed by Mr. Matt Butler on behalf of Staff of OPSB. | 5 |
| 11/20/2018 | Notice of compliance with requirements concerning service and public distribution electronically filed by Carys Cochern on behalf of Kingery, Jeanne W Ms. | 9 |
| 11/14/2018 | Notification CONSTRUCTION NOTICE FOR THE F5484 – 138 kV COLUMBIA SUBSTATION- PART 3 electronically filed by Carys Cochern on behalf of Kingery, Jeanne W Ms. | 11 |
| 11/14/2018 | Notification CONSTRUCTION NOTICE FOR THE F5484 – 138 kV COLUMBIA SUBSTATION- PART 2 electronically filed by Carys Cochern on behalf of Kingery, Jeanne W Ms. | 73 |
| 11/14/2018 | Notification CONSTRUCTION NOTICE FOR THE F5484 – 138 kV COLUMBIA SUBSTATION- PART 1 electronically filed by Carys Cochern on behalf of Kingery, Jeanne W Ms. | 97 |
| 11/09/2018 | In the matter of the Pre-Application Notification Letter for the F5484-138kV Columbia Substation electronically filed by Carys Cochern on behalf of Kingery, Jeanne W Ms. | 2 |