| Date Filed | Summary | Pages |
| 03/23/2022 | Duke Energy Ohio, Inc. Columbia Turn Lane Project Notification of Completion of Construction and In-Service Date electronically filed by Mrs. Tammy M. Meyer on behalf of Duke Energy Ohio Inc. and D'Ascenzo, Rocco and Kingery, Jeanne W. and Vaysman, Larisa and Akhbari, Elyse Hanson. | 2 |
| 01/19/2022 | Correspondence Letter Accepting Staff's Conditions electronically filed by Ms. Emily Olive on behalf of Duke Energy Ohio and D'Ascenzo, Rocco O. Mr. and Kingery, Jeanne W. Ms. and Vaysman, Larisa M. Ms. | 2 |
| 01/14/2022 | Service Notice ( Staff Report ) | 3 |
| 01/14/2022 | Staff Report of Investigation electronically filed by Mr. Matt Butler on behalf of Staff of OPSB. | 6 |
| 12/07/2021 | Notice of Proof of Service electronically filed by Carys Cochern on behalf of Duke Energy Ohio, Inc. | 7 |
| 11/03/2021 | Correspondence regarding SHPO Letter electronically filed by Carys Cochern on behalf of Duke Energy Ohio, Inc. | 3 |
| 11/03/2021 | Construction Notice for the Duke Energy Ohio, Inc. Columbia Turn Lane Project electronically filed by Carys Cochern on behalf of Duke Energy Ohio, Inc. | 125 |
| 10/26/2021 | In the Matter of the Pre-Application Notification Letter for the Columbia Turn Lane Project electronically filed by Carys Cochern on behalf of Duke Energy Ohio, Inc. | 2 |