| Case Number | Case Title | Open Date | Closed Date |
| 01-0393-EL-CSS | ENRON ENERGY SERVICES, INC. VS FIRSTENERGY CORPORATION | 02/13/2001 | |
| 08-0064-EL-CSS | VASHON MCINTYRE VS THE CLEVELAND ELECTRIC ILLUMINATING COMPANY A FIRSTENERGY COMPANY | 01/15/2008 | |
| 13-2145-EL-CSS | MATERIAL SCIENCES CORPORATION VS THE TOLEDO EDISON COMPANY | 10/30/2013 | |
| 14-1277-EL-CSS | Direct Energy Business, LLC vs Duke Energy Ohio, Inc. | 07/22/2014 | |
| 16-0782-EL-CSS | OCC VS OHIO POWER COMPANY | 04/12/2016 | |
| 17-0791-EL-CSS | DIRECT ENERGY BUSINESS, LLC | 03/20/2017 | |
| 17-1563-EL-CSS | MONIQUE MOORE | 07/10/2017 | |
| 17-1967-EL-CSS | Ohio Edison Company and The Cleveland Electric Illuminating Company v. Direct Energy Business, LLC | 09/11/2017 | |
| 18-0736-EL-CSS | RETAIL ENERGY SUPPLY ASSOC V OHIO EDISON CO, CLEVELAND ELECTRIC ILLUMINATING CO, & TOLEDO EDISON CO | 04/25/2018 | |
| 18-1734-EL-CSS | Russell Enyart vs. Ohio Edison Company | 11/28/2018 | |
| 18-1815-EL-CSS | CLEVELAND METROPOLITAN SCHOOL DISTRICT | 12/07/2018 | |
| 19-0131-EL-CSS | JAMIE MOSELEY VS CLEAN ENERGY FUTURE LORDSTOWN LLC | 01/14/2019 | |
| 19-1614-EL-CSS | ANTHONY PEAGLER VS DAYTON POWER AND LIGHT CO | 08/22/2019 | |
| 20-0428-EL-CSS | Melanie Jennings vs. Toledo Edison | 02/24/2020 | |
| 20-1323-EL-CSS | LEE J. POEPPELMEIER VS DAYTON POWER AND LIGHT COMPANY | 07/29/2020 | |
| 21-0011-EL-CSS | Michael S Roote vs The Cleveland Electric Illuminating Company | 01/05/2021 | |
| 21-0123-EL-CSS | Nina R. Jones vs The Illuminating Company | 02/09/2021 | |
| 21-0236-EL-CSS | Steven D Painter vs Ohio Edison Company | 03/11/2021 | |
| 21-0247-EL-CSS | Meropi Steve & George Stevenson vs Ohio Edison-FirstEnergy Company | 03/16/2021 | |
| 21-0549-EL-CSS | Dan and Mary Patek vs The Cleveland Electric Illuminating Company | 05/06/2021 | |
| 21-0808-EL-CSS | LAWRENCE KEVIN MCMONIGLE VS DUKE ENERGY OHIO INC | 07/19/2021 | |
| 21-0854-EL-CSS | PHILIP MINK VS. DUKE ENERGY OHIO INC | 08/10/2021 | |
| 21-0857-EL-CSS | RICHARD D BIHLAJAMA VS FIRST ENERGY CORP | 08/11/2021 | |
| 21-0919-EL-CSS | Rodney S Clark Sr vs Reliant EnergyNortheast LLC dba NRG Home | 09/03/2021 | |
| 21-0925-EL-CSS | Container Graphics Corporation, CGC vs. Talen Energy Marketing, LLC and The Toledo Edison Company | 09/08/2021 | |
| 21-0990-EL-CSS | Ohio Power Company vs. Nationwide Energy Partners, LLC | 09/24/2021 | |
| 21-1006-EL-CSS | Elizabeth F. White vs Constellation NewEnergy LLC | 09/27/2021 | |
| 21-1263-EL-CSS | Shelly and Howard Moore vs The Cleveland Electric Illuminating Company | 12/21/2021 | |
| 22-0016-EL-CSS | ALAN JONES vs THE ILLUMINATING COMPANY | 01/05/2022 | |
| 22-0182-EL-CSS | Edward Jackson v. Duke Energy Ohio, Inc. | 03/11/2022 | |
| 22-0237-EL-CSS | APRIL DAVIS VS THE ILLUMINATING COMPANY | 03/21/2022 | |
| 22-0279-EL-CSS | In the Matter of the Complaint of Duke Energy Ohio, Inc. vs. Nationwide Energy Partners, LLC | 03/30/2022 | |
| 22-0315-EL-CSS | WILLIAM R. McKINNEY VS DUKE ENERGY OHIO, INC. | 04/04/2022 | |
| 22-0484-EL-CSS | Jelena Strugar vs The Cleveland Electric Illuminating Company | 05/05/2022 | |
| 22-0561-EL-CSS | MITCHELL STAPLES vs PLANET ENERGY OHIO CORP. | 06/01/2022 | |
| 22-0717-EL-CSS | MABLE A SYLVAIN V SMARTENERGY HOLDINGS LLC | 07/22/2022 | |
| 22-0764-EL-CSS | CARL HEINL vs FIRSTENERGY & NOPEC ENERGY | 08/04/2022 | |
| 22-0802-EL-CSS | Christine M Amedia & Adrian C Amedia vs Ohio Edison Company | 08/24/2022 | |
| 22-0889-EL-CSS | Brad Eubanks vs IGS Energy and Aspen Energy/Dynegy | 09/19/2022 | |
| 22-0893-EL-CSS | CHRISTEN PRICE VS THE ILLUMINATING COMPANY | 09/21/2022 | |
| 22-0904-EL-CSS | ANNTIONETTE CAMPBELL VS ILLUMINATING COMPANY | 09/26/2022 | |
| 22-0987-EL-CSS | Joseph Codispoti & Alexandra Mougianis vs Eligo Energy | 10/21/2022 | |
| 22-1014-EL-CSS | Leroy & Tracy Moore vs Ohio Edison & NOPEC | 10/28/2022 | |
| 22-1062-EL-CSS | THOMAS V. RAPINI VS THE CLEVELAND ELECTRIC ILLUMINATING COMPANY | 11/16/2022 | |
| 22-1065-EL-CSS | R. SIMBALLA / MARY C. SIMBALLA VS OHIO EDISON / FIRST ENERGY | 11/16/2022 | |
| 22-1073-EL-CSS | Larry Winston Angus Jr. v. AEP Ohio | 11/17/2022 | |
| 22-1082-EL-CSS | MICHAEL QUINTARD JACKSON VS AMERICAN ELECTRIC POWER | 11/22/2022 | |
| 22-1083-EL-CSS | JANICE MOORE VS AEP OHIO | 11/22/2022 | |
| 22-1088-EL-CSS | Blue Acres LLC vs The Cleveland Electric Illuminating Company | 11/22/2022 | |
| 22-1156-EL-CSS | RICHARD HUNTER VS DUKE ENERGY OHIO INC | 12/13/2022 | |
| 23-0270-EL-CSS | Alan Ladd vs Dynegy Energy Services East dba Brighten Energy | 03/24/2023 | |
| 23-0322-EL-CSS | Sharon Daly v. CleanSky Energy | 04/04/2023 | |
| 23-0489-EL-CSS | ANTHONY L TOWNES VS OHIO EDISON COMPANY | 05/01/2023 | |
| 23-0516-EL-CSS | Darla Arlene Lynch vs AEP Ohio | 05/05/2023 | |
| 23-0540-EL-CSS | ROBERT BUSEK / DIGITAL ONE VS CLEVELAND ELECTRIC ILLUMINATING COMPANY THE ( AKA THE ILLUMINATING COMPANY ) | 05/11/2023 | |
| 23-0547-EL-CSS | SHANE AND EMILY KRAMER VS IGS ENERGY | 05/15/2023 | |
| 23-0598-EL-CSS | Benjamin Florkey against AES Ohio | 05/26/2023 | |
| 23-0677-EL-CSS | Mark W Bellamy vs AEP Ohio | 06/15/2023 | |
| 23-0696-EL-CSS | Etta Hughes / Brenda Jennings vs AES Ohio | 06/26/2023 | |
| 23-0771-EL-CSS | CLIFFORD L. RUCKER VS DUKE ENERGY | 07/24/2023 | |
| 23-0813-EL-CSS | PATRICIA SHAFFER VS A.E.P | 08/14/2023 | |
| 23-0828-EL-CSS | Simon & Tiffany Demmons vs AES Ohio | 08/21/2023 | |
| 23-0832-EL-CSS | Ms. Saabirah Desai vs AEP | 08/23/2023 | |
| 23-0902-EL-CSS | Barry Williams vs Ohio Edison (Case No.ID 00829223) | 09/27/2023 | |
| 23-0918-EL-CSS | Spectrum Mid-America, LLC v. Ohio Power Company | 10/02/2023 | |
| 23-0921-EL-CSS | Brandon Shelt vs First Energy Corp (The Illuminating Company) | 10/03/2023 | |
| 23-0922-EL-CSS | Debra L. Clark vs The Illuminating Co. / NOPEC/ IGS | 10/03/2023 | |
| 23-0938-EL-CSS | Victor and Pamela Bando vs American Electric Power Ohio | 10/10/2023 | |
| 23-0968-EL-CSS | Imperium Fitness LLC against Duke Energy Ohio | 10/18/2023 | |
| 23-1025-EL-CSS | Rehina Savchuk VS Cleveland Electric Illuminating Co | 11/06/2023 | |
| 23-1032-EL-CSS | Cincinnati Insurance Company and Dysinger Inc vs AES Ohio LLC | 11/09/2023 | |
| 23-1078-EL-CSS | Sherman C. Green vs American Electric Power Ohio | 11/21/2023 | |
| 23-1079-EL-CSS | Nathan E. Frey vs American Electric Power Ohio | 11/21/2023 | |
| 23-1102-EL-CSS | Fredrick Vonderhaar Vs Duke Energy Corporation | 11/30/2023 | |
| 23-1141-EL-CSS | Hubbard Township Board of Trustees vs. Ohio Edison / FirstEnergy | 12/15/2023 | |
| 23-1142-EL-CSS | Robert Lane vs Duke Energy | 12/15/2023 | |
| 23-1175-EL-CSS | Michael Jansing vs Duke Energy | 12/29/2023 | |
| 24-0031-EL-CSS | Carol Lonas / Shamika Taylor vs Toledo Edison | 01/11/2024 | |
| 24-0060-EL-CSS | Duke Energy Ohio, Inc. vs 100 Central Parkway, LLC and City Center Properties, LLC | 01/23/2024 | |
| 24-0071-EL-CSS | Josh Davis vs Energy Harbor | 01/24/2024 | |
| 24-0100-EL-CSS | Carol S Trunzo vs Ohio Edison | 02/01/2024 | |
| 24-0108-EL-CSS | Jom Bodnar (Nem Construction Inc) vs Ohio Edison | 02/05/2024 | |
| 24-0136-EL-CSS | Helen Curry v. Residents Energy, LLC and AEP Ohio | 02/14/2024 | |
| 24-0260-EL-CSS | Pamela Walsh vs. Duke Energy | 03/21/2024 | |
| 24-0333-EL-CSS | Glenn DeMaro vs SmartEnergy Holdings LLC | 04/08/2024 | |
| 24-0352-EL-CSS | Judy Dixon Vs AES Ohio | 04/10/2024 | |
| 24-0443-EL-CSS | Debra A and Richard A Baker against Dayton Power and Light Company dba AES Ohio | 04/18/2024 | |