| Case Number | Case Title | Open Date | Closed Date |
| 02-3210-EL-PWC | THE TOLEDO EDISON COMPANY AND AMERICAN TRANSMISSION SYSTEMS, INC VS. THE CITY OF TOLEDO | 12/09/2002 | |
| 05-0075-EL-PWC | CINCINNATI GAS AND ELECTRIC/FOREST PARK, CITY OF | 01/19/2005 | 09/24/2007 |
| 05-0103-EL-PWC | CINCINNATI GAS AND ELECTRIC COMPANY | 01/27/2005 | |
| 06-0923-EL-PWC | FIRST ENERGY\THE EAST OHIO GAS COMPANY DBA DOMINION EAST OHIO VS THE CITY OF CLEVELAND HEIGHTS | 07/19/2006 | 10/25/2006 |