| Case Number | Case Title | Open Date | Closed Date |
| 00-0686-EL-BGN | DRESDEN ENERGY/MUSKINGUM COUNTY | 04/13/2000 | 03/24/2015 |
| 00-0892-EL-BGN | JACKSON GENERATING CO./JACKSON CO. | 05/23/2000 | 10/02/2013 |
| 00-1527-EL-BGN | FREMONT ENERGY CENTER/SANDUSKY OH | 08/21/2000 | 03/24/2015 |
| 01-0369-EL-BGN | CALPINE CORPORATION | 02/09/2001 | 03/24/2015 |
| 01-0569-EL-BGN | PSEG POWER FOSTORIA ENERGY(VOIDED) | 03/08/2001 | 05/27/2003 |
| 02-3082-EL-BGN | ASHTABULA GENERATION, L.L.C. | 11/25/2002 | 08/27/2015 |
| 06-0030-EL-BGN | COLUMBUS SOUTHERN POWER COMPANY/OHIO POWER COMPANY | 01/10/2006 | 07/30/2012 |
| 07-0703-EL-BGN | FDS COKE PLANT LLC CO-GENERATION FACILITY PLANNED FOR TOLEDO LUCAS COUNTY OHIO | 06/18/2007 | 08/16/2018 |
| 08-0281-EL-BGN | MIDDLETOWN COKE COMPANY | 03/20/2008 | 03/26/2012 |
| 08-0666-EL-BGN | BUCKEYE WIND LLC | 06/04/2008 | 10/04/2019 |
| 09-0546-EL-BGN | BLACK FORK WIND LLC | 06/29/2009 | 01/19/2011 |
| 10-0847-EL-BGN | AIR PRODUCTS AND CHEMICALS INC | 06/21/2010 | 08/27/2015 |
| 10-2865-EL-BGN | BLACK FORK WIND ENERGY LLC | 12/01/2010 | 07/11/2019 |
| 11-0902-EL-BGN | GLACIER RIDGE WIND FARM, LLC | 02/18/2011 | 01/24/2012 |
| 11-3676-EL-BGN | LEIPSIC WIND LLC | 06/20/2011 | 05/20/2014 |
| 11-4886-EL-BGN | NEXTERA ENERGY HONEY CREEK WIND, LLC | 08/25/2011 | 01/14/2016 |
| 12-0160-EL-BGN | CHAMPAIGN WIND LLC | 01/06/2012 | 10/04/2019 |
| 12-2933-EL-BGN | REPUBLIC WIND LLC/SENECA AND SANDUSKY CO | 11/08/2012 | 03/24/2016 |
| 13-0990-EL-BGN | 6011 GREENWICH WINDPARK LLC | 04/19/2013 | 02/16/2023 |
| 13-1752-EL-BGN | CARROLL COUNTY ENERGY LLC | 08/07/2013 | 01/02/2020 |
| 13-2033-EL-BGN | LAKE ERIE ENERGY DEVELOPMENT CORPORATION (LEEDCO) PROJECT ICEBREAKER | 11/06/2013 | 06/01/2017 |
| 16-1421-EL-BGN | Exelon Wind LLC | 06/17/2016 | 04/03/2019 |
| 16-1851-EL-BGN | PAULDING WIND FARM IV LLC | 09/07/2016 | 11/21/2017 |
| 18-0488-EL-BGN | SENECA WIND LLC | 04/12/2018 | |
| 18-0605-EL-BGN | In the Matter of the Application of Seneca Wind, LLC for a Certificate To Site Wind-Powered Electric Generation Facilities in Seneca County, Ohio | 04/10/2018 | 04/12/2018 |
| 99-0989-EL-BGN | DPL ENERGY INC | 08/23/1999 | 06/01/2017 |
| 99-0996-EL-BGN | DP&L/GENERATING PLANT DARKE COUNTY | 08/24/1999 | 06/11/2012 |
| 99-1626-EL-BGN | NORTON ENERGY STORAGE LLC | 12/09/1999 | 03/24/2015 |