| Date Filed | Summary | Pages |
| 03/29/2021 | Construction Completion Notification Letter electronically filed by Ms. Devan K. Flahive on behalf of American Transmission Systems Incorporated. | 2 |
| 12/29/2020 | Service Notice. | 2 |
| 12/29/2020 | Staff Report of Investigation electronically filed by Mr. Jason Cross on behalf of Staff of OPSB. | 5 |
| 10/09/2020 | Construction Notice Application for Certificate of Environmental Compatibility and Public Need for Project electronically filed by Ms. Devan K Flahive on behalf of American Transmission Systems Incorporated. | 65 |
| 09/29/2020 | In the matter of the Pre-Application Letter for Clark-East Springfield 138 kV Transmission Line Switch Replacement Project electronically filed by Ms. Devan K Flahive on behalf of American Transmission Systems Incorporated. | 2 |