| Date Filed | Summary | Pages |
| 03/18/2024 | Letter of Notification advising construction was completed January 24, 2024 electronically filed by Mr. Lawrence B. Hughes on behalf of American Transmission Systems, Inc.. | 2 |
| 09/13/2023 | Service Notice - Staff Report. | 2 |
| 09/13/2023 | Staff Report of Investigation electronically filed by Mr. Jason Cross on behalf of Staff of OPSB. | 7 |
| 09/12/2023 | ATSI's Response to First Set of Data Requests from OPSB Staff electronically filed by Mr. Lawrence B. Hughes on behalf of American Transmission Systems, Inc. | 3 |
| 09/11/2023 | Notice of Substitution of Counsel electronically filed by Ms. Devan K. Flahive on behalf of American Transmission Systems Incorporated. | 4 |
| 08/29/2023 | Notice of Construction electronically filed by Ms. Devan K. Flahive on behalf of American Transmission Systems Incorporated. | 37 |
| 08/22/2023 | In the Matter of the Pre-Application Notification Letter for the Beaver-Black River 138 kV Transmission Line Tap to Serve AMPT Project electronically filed by Ms. Devan K. Flahive on behalf of American Transmission Systems Incorporated. | 2 |