| Case Number | Case Title | Open Date | Closed Date |
| 00-1714-EL-CRS | AES POWER DIRECT L.L.C. | 09/21/2000 | |
| 00-1792-EL-CRS | SHELL ENERGY SERVICES CO., L.L.C. | 10/02/2000 | |
| 00-1833-EL-CRS | MIAMI VALLEY RESOURCES/DPL ENERGY | 10/06/2000 | |
| 00-1839-EL-CRS | ALLEGHENY ENERGY SUPPLY | 10/06/2000 | |
| 00-1931-EL-CRS | ADVANTAGE ENERGY, INC. | 10/16/2000 | |
| 00-1974-EL-CRS | ALLIANCE ENERGY SERVICES | 10/18/2000 | |
| 00-1975-EL-CRS | CLINTON ENERGY MANAGEMENT SERVICES | 10/19/2000 | |
| 00-1976-EL-CRS | ENRON POWER MARKETING, INC. | 10/18/2000 | |
| 00-2003-EL-CRS | THE NEW POWER COMPANY | 10/19/2000 | |
| 00-2017-EL-CRS | NICOR ENERGY, L.L.C. | 10/20/2000 | |
| 00-2044-EL-CRS | AMERADA HESS CORPORATION | 10/24/2000 | |
| 00-2201-EL-CRS | AMERICAN ELECTRIC POWER COMPANY/OHIO COMMERICAL INDUSTRIAL RETAIL COMPANY,LLC dba AEP PLUS | 11/12/2000 | |
| 00-2211-EL-CRS | AEP OHIO RETAIL ENERGY | 11/13/2000 | |
| 00-2214-EL-CRS | ENERGY.COM CORP. | 11/13/2000 | |
| 00-2231-EL-CRS | DOMINION ENERGY DIRECT SALES, INC. | 11/14/2000 | |
| 00-2337-EL-CRS | BIOMASS GROUP LLC | 11/30/2000 | 01/01/2003 |
| 00-2342-EL-CRS | U.S. POWER & GAS, INC., | 12/03/2000 | |
| 00-2344-EL-CRS | ULTIMAX.COM,INC. | 12/03/2000 | |
| 00-2392-EL-CRS | NICOLE ENERGY SERVICES, INC. | 12/10/2000 | |
| 01-0872-EL-CRS | EAGLE ENERGY LLC | 04/13/2001 | |
| 01-1298-EL-CRS | DYNEGY ENERGY SERVICES, INC. | 05/31/2001 | |
| 01-3308-EL-CRS | NICOLE ENERGY SERVICES, INC. | 12/26/2001 | |
| 02-1499-EL-CRS | JUST ENERGY OHIO, LLC | 06/21/2002 | |
| 02-2420-EL-CRS | AMEREN ENERGY MARKETING COMPANY | 09/18/2002 | |
| 04-1046-EL-CRS | SELECT ENERGY, INC. | 06/30/2004 | 08/25/2006 |
| 08-1283-EL-CRS | APN STARFIRST LP | 12/05/2008 | |