| Date Filed | Summary | Pages |
| 03/29/2024 | Construction Completeness Letter electronically filed by Mr. Lawrence B. Hughes on behalf of American Transmission Systems, Inc. | 2 |
| 09/25/2023 | Construction Start Notice Letter electronically filed by Mr. Lawrence B. Hughes on behalf of American Transmission Systems, Inc. | 2 |
| 09/21/2023 | Service Notice - Staff Report. | 1 |
| 09/21/2023 | Staff Report of Investigation electronically filed by Mr. Jess Stottsberry on behalf of Staff of OPSB. | 9 |
| 09/11/2023 | Notice of Substitution of Counsel electronically filed by Ms. Devan K. Flahive on behalf of American Transmission Systems Incorporated. | 4 |
| 09/01/2023 | Response to Second Set of Data Requests From Staff electronically filed by Ms. Devan K. Flahive on behalf of American Transmission Systems Incorporated. | 4 |
| 08/07/2023 | Response to Staff's First Set of Data Requests electronically filed by Ms. Devan K. Flahive on behalf of American Transmission Systems Incorporated. | 4 |
| 07/06/2023 | Letter of Notification and Proof of Publication electronically filed by Ms. Devan K. Flahive on behalf of American Transmission Systems Incorporated. | 6 |
| 06/30/2023 | Letter of Notification Exhibit 10A (Part 3 of 3) electronically filed by Ms. Devan K. Flahive on behalf of American Transmission Systems Incorporated. | 163 |
| 06/30/2023 | Letter of Notification Exhibit 10A (Part 2 of 3) electronically filed by Ms. Devan K. Flahive on behalf of American Transmission Systems Incorporated. | 355 |
| 06/30/2023 | Letter of Notification Exhibit 10A (Part 1 of 3) electronically filed by Ms. Devan K. Flahive on behalf of American Transmission Systems Incorporated. | 108 |
| 06/30/2023 | Letter of Notification Exhibit 10 (Part 3 of 3) electronically filed by Ms. Devan K. Flahive on behalf of American Transmission Systems Incorporated. | 314 |
| 06/30/2023 | Letter of Notification Exhibit 10 (Part 2 of 3) electronically filed by Ms. Devan K. Flahive on behalf of American Transmission Systems Incorporated. | 327 |
| 06/30/2023 | Letter of Notification Exhibit 10 (Part 1 of 3) electronically filed by Ms. Devan K. Flahive on behalf of American Transmission Systems Incorporated. | 57 |
| 06/30/2023 | Letter of Notification and Exhibits for the Leroy Center-Mayfield Q3 and Q4 138 kV Transmission Lines Re-Conductor Project electronically filed by Ms. Devan K. Flahive on behalf of American Transmission Systems Incorporated. | 87 |