| Date Filed | Summary | Pages |
| 01/30/2024 | Construction Completion Notification electronically filed by Mr. Lawrence B. Hughes on behalf of American Transmission Systems, Inc. | 2 |
| 09/11/2023 | Notice of Substitution of Counsel electronically filed by Ms. Devan K. Flahive on behalf of American Transmission Systems Incorporated. | 4 |
| 12/27/2022 | Notice of Compliance with Condition 3 electronically filed by Mr. Joseph D. Jordan on behalf of Big Plain Solar, LLC. | 5 |
| 12/27/2022 | Notice of Compliance with Condition 6 electronically filed by Mr. Joseph D. Jordan on behalf of Big Plain Solar, LLC. | 2 |
| 10/04/2022 | Construction Start Notice electronically filed by Ms. Devan K. Flahive on behalf of American Transmission Systems Incorporated. | 2 |
| 09/09/2022 | Notice of Compliance with Condition 4 electronically filed by Ms. Devan K. Flahive on behalf of American Transmission Systems Incorporated. | 8 |
| 05/12/2022 | Service Notice. | 1 |
| 05/02/2022 | Returned Mail: Entry dated 4/21/22 sent to Big Plain Solar, LLC; Return to Sender; Not Deliverable as Addressed; Unable to Forward. | 1 |
| 04/21/2022 | Service Notice | 2 |
| 04/21/2022 | Entry granting the joint application to transfer and assign a portion of the construction certificate in this matter from Big Plain Solar, LLC to American Transmission Systems, Incorporated electronically filed by Ms. Mary E. Fischer on behalf of Ohio Power Siting Board. | 4 |
| 03/10/2022 | Notice of Compliance with Condition 6 electronically filed by Mr. Michael J. Settineri on behalf of Big Plain Solar, LLC. | 2 |
| 02/01/2022 | Joint Application of Big Plain Solar, LLC and American Transmission Systems, Inc. to Transfer and Assign Portion of Construction Certificate electronically filed by Ms. Anna Sanyal on behalf of Big Plain Solar, LLC. | 10 |
| 12/20/2021 | Notice of Compliance electronically filed by Mr. Mark A. Hylton on behalf of Big Plain Solar, LLC. | 8 |
| 12/09/2021 | Service Notice (Staff Report). | 2 |
| 12/09/2021 | Staff Report of Investigation electronically filed by Mr. Matt Butler on behalf of Staff of OPSB. | 7 |