| Case Number | Case Title | Open Date | Closed Date |
| 00-0925-GA-BLN | CG&E/RIALTO ROAD LOOP | 05/26/2000 | 11/20/2003 |
| 00-1667-GA-BLN | COLUMBIA GAS COMPANY/TACOMA ROAD | 09/13/2000 | 11/20/2003 |
| 02-2031-GA-BLN | DOMINION EAST OHIO | 08/09/2002 | 04/14/2007 |
| 04-1232-GA-BLN | BUCKEYE GULF COAST PIPELINES, LP | 08/06/2004 | 06/28/2005 |
| 04-1509-GA-BLN | BUCKEYE GULF COAST PIPE LINES, L.P. | 09/30/2004 | |
| 05-0561-GA-BLN | COLUMBIA GAS OF OHIO/COSGRAY RD-HAYDEN ROAD PROJECT | 04/27/2005 | |
| 06-0020-GA-BLN | NISOURCE INC | 01/06/2006 | 03/20/2006 |
| 87-0720-GA-BLN | CINCINNATI GAS & ELECTRIC | 05/08/1987 | 12/06/1990 |
| 87-1815-GA-BLN | THE EAST OHIO GAS COMPANY | 11/03/1987 | 12/06/1990 |
| 88-1317-GA-BLN | COLUMBIA GAS COMPANY | 09/07/1988 | 12/06/1990 |
| 89-0430-GA-BLN | COLUMBIA GAS OF OHIO, INC. | 03/10/1989 | 12/06/1990 |
| 89-1894-GA-BLN | EAST OHIO GAS COMPANY | 12/14/1989 | 12/06/1990 |
| 89-1905-GA-BLN | CINCINNAT GAS & ELECTRIC COMPANY | 12/20/1989 | 12/06/1990 |
| 89-1925-GA-BLN | TEXAS-OHIO GAS, INC. | 12/22/1989 | 12/06/1990 |
| 90-0198-GA-BLN | CINCINNATI GAS & ELECTRIC COMPANY | 01/24/1990 | 10/08/1993 |
| 90-0320-GA-BLN | CINCINNATI GAS & ELECTRIC COMPANY | 02/12/1990 | 10/08/1993 |
| 90-1012-GA-BLN | CINCINNATI GAS & ELECTRIC COMPANY | 06/11/1990 | 10/08/1993 |
| 91-0199-GA-BLN | CINCINNATI GAS & ELECTRIC COMPANY | 02/01/1991 | 10/08/1993 |
| 92-1407-GA-BLN | KALIDA NATURAL GAS CO/BUCKEYE | 08/07/1992 | 10/08/1993 |
| 93-0552-GA-BLN | CG&E/MASON-MONTGOMERY NAT GAS FEED | 04/01/1993 | 04/29/1993 |
| 93-1108-GA-BLN | CG&E/MARTIN LUTHER KING DRIVE | 07/07/1993 | 02/27/2001 |
| 94-0773-GA-BLN | OHIO EDISON/EDGEWATER | 05/02/1994 | 01/19/2001 |
| 94-0951-GA-BLN | COLUMBIA GAS OF OHIO/HAMILTON ROAD | 05/23/1994 | 01/19/2001 |
| 94-1026-GA-BLN | COLUMBIA GAS/WESTLAKE HIGH PRESSURE | 06/10/1994 | 11/20/2003 |
| 95-0227-GA-BLN | COLUMBIA GAS/BETTERMENT PROJECT | 02/24/1995 | 01/19/2001 |
| 96-0710-GA-BLN | OHIO INTRASTATE GAS/SYSTEM A/B INTE | 07/19/1996 | |
| 97-1064-GA-BLN | KNG ENERGY/BUCKEYE EXTENSION | 09/11/1997 | 10/05/2001 |
| 98-0285-GA-BLN | CINCINNATI GAS & ELECTRIC/RIALTO | 02/17/1998 | 10/05/2001 |
| 98-0946-GA-BLN | CINCINNATI GAS & ELECTRIC/RIALTO | 06/16/1998 | 10/05/2001 |
| 99-0562-GA-BLN | KNG ENERGY/CHICAGO EXTENSION | 05/06/1999 | 11/20/2003 |
| 99-0585-GA-BLN | COLUMBIA GAS/GALLOWAY ROAD | 05/11/1999 | 11/20/2003 |
| 99-0735-GA-BLN | COLUMBIA GAS/ROHR ROAD | 06/16/1999 | 11/20/2003 |