| Date Filed | Summary | Pages |
| 08/28/2019 | Notice of Completion of Construction electronically filed by Tanner Wolffram on behalf of AEP Ohio Transmission Company, Inc. | 2 |
| 09/27/2017 | Notification to commence construction electronically filed by Mr. Hector Garcia on behalf of AEP Ohio Transmission Company. | 2 |
| 02/21/2017 | Notification Acceptance of Staff's Conditions for the Herlan 138 kV Switching Substation electronically filed by Mrs. Erin C Miller on behalf of AEP Ohio Transmission Company. | 2 |
| 02/14/2017 | Service Notice | 2 |
| 02/13/2017 | Staff Report of Investigation electronically filed by Mr. Matt Butler on behalf of Staff of OPSB. | 5 |
| 12/01/2016 | Proof of Pub electronically filed by Mrs. Erin C Miller on behalf of AEP Ohio Transmission Company. | 4 |
| 11/29/2016 | Public Notification - Herlan 138 kV Substation Project Compliance with 4906-0-08 Ohio Administrative Code electronically filed by Mrs. Erin C Miller on behalf of AEP Ohio Transmission Company. | 2 |
| 11/29/2016 | Official Notification - Herland 138 kV Substation Project Compliance with 4906-6-07 Ohio Administrative Code electronically filed by Mrs. Erin C Miller on behalf of AEP Ohio Transmission Company. | 2 |
| 11/22/2016 | Letter of Notification -Herlan 138 kV Switching Substation Project Part 5 of 5 electronically filed by Mrs. Erin C Miller on behalf of AEP Ohio Transmission Company. | 52 |
| 11/22/2016 | Letter of Notification -Herlan 138kV Switching Substation Project Part 4 of 5 electronically filed by Mrs. Erin C Miller on behalf of AEP Ohio Transmission Company. | 34 |
| 11/22/2016 | Letter of Notification -Herlan 138kV Switching Substation Project Part 3 of 5 electronically filed by Mrs. Erin C Miller on behalf of AEP Ohio Transmission Company. | 3 |
| 11/22/2016 | Letter of Notification -Herlan 138 kV Switching Substation Project Part 2 of 5 electronically filed by Mrs. Erin C Miller on behalf of AEP Ohio Transmission Company. | 4 |
| 11/22/2016 | Letter of Notification -Herlan 138 kV Switching Substation Project Part 1 of 5 electronically filed by Mrs. Erin C Miller on behalf of AEP Ohio Transmission Company. | 20 |
| 11/22/2016 | In the matter of the Letter of Notification -Herlan 138 kV Switching Substation Project Part 1 of 5 electronically filed by Mrs. Erin C Miller on behalf of AEP Ohio Transmission Company | 20 |