| Date Filed | Summary | Pages |
| 03/20/2015 | Case Action Form to Close Cases effective 3/20/2015. | 6 |
| 08/29/2012 | Notice of Completion electronically filed by Erin C Miller on behalf of AEP Ohio Transmission Company, Inc. | 2 |
| 03/01/2012 | OPSB Staff Investigation Report and Recommendation the purpose of this project is to expand the fence-line for AEP's existing Marysville 765 kV substation by 0.63 acres filed by American Electric Power. | 1 |
| 01/27/2012 | Letter of Notification Marysville Station Expansion Part 2 of 2 electronically filed by Erin C Miller on behalf of AEP Ohio Transmission Company, Inc.. | 7 |
| 01/27/2012 | In the matter of the application for Letter of Notification for Marysville Station Expansion Part 1 of 2 electronically filed by Erin C Miller on behalf of AEP Ohio Transmission Company, Inc. | 2 |