| Advanced Energy Economy | — | Jan-Apr19 |
| Terrence O'Donnell | Advanced Energy Economy | — | Jan-Apr19 |
| William Vorys | Advanced Energy Economy | — | Jan-Apr19 |
| Chad Hawley | American Electric Power | — | Jan-Apr19 |
| John McClelland | American Electric Power | — | Sep-Dec19 |
| Maria Haberman | American Electric Power | — | Sep-Dec19 |
| Markee Osborne | American Electric Power | — | Jan-Apr19 |
| Thomas Froehle | American Electric Power | — | Jan-Apr19 |
| Troy Judy | American Electric Power | — | Jan-Apr19 |
| Zachary Frymier | American Electric Power | — | Jan-Apr20 |
| American Municipal Power | — | Jan-Apr19 |
| Charles Willoughby | American Municipal Power | — | Jan-Apr19 |
| Jolene M Thompson | American Municipal Power | — | Jan-Apr19 |
| Michael A Beirne | American Municipal Power | — | Jan-Apr19 |
| American Power & Light | — | Sep-Dec19 |
| Michael L Gonidakis | American Power & Light | — | Sep-Dec19 |
| Apex Clean Energy, Inc. | — | Jan-Apr19 |
| Terrence O'Donnell | Apex Clean Energy, Inc. | — | Jan-Apr19 |
| William Vorys | Apex Clean Energy, Inc. | — | Jan-Apr19 |
| Armada Power | — | Sep-Dec20 |
| Attorney General's Office | — | May-Aug20 |
| Calpine Energy Solutions, LLC | — | Jan-Apr19 |
| Becky Merola | Calpine Energy Solutions, LLC | — | Jan-Apr19 |
| Daniel P Leite | Calpine Energy Solutions, LLC | — | Jan-Apr19 |
| Kurt L Leib | Calpine Energy Solutions, LLC | — | Jan-Apr19 |
| Robert N Eshenbaugh, Jr | Calpine Energy Solutions, LLC | — | Jan-Apr19 |
| Carbon Solutions Group | — | Jan-Apr19 |
| Terrence O'Donnell | Carbon Solutions Group | — | Jan-Apr19 |
| William Vorys | Carbon Solutions Group | — | Jan-Apr19 |
| Cincinnati Bell, Inc. (d/b/a altafiber) | — | Jan-Apr19 |
| Charles H Gerhardt, III | Cincinnati Bell, Inc. (d/b/a altafiber) | — | May-Aug19 |
| James T Benedict | Cincinnati Bell, Inc. (d/b/a altafiber) | — | May-Aug19 |
| Theodore Heckmann | Cincinnati Bell, Inc. (d/b/a altafiber) | — | Jan-Apr19 |
| Coalition of Ohio Regional Districts | — | Jan-Apr19 |
| Andrew Huffman | Coalition of Ohio Regional Districts | — | Jan-Apr19 |
| Brooke A Cheney | Coalition of Ohio Regional Districts | — | Jan-Apr19 |
| Kelly C O'Reilly | Coalition of Ohio Regional Districts | — | Jan-Apr19 |
| Matthew S Whitehead | Coalition of Ohio Regional Districts | — | Jan-Apr19 |
| Victor F Hipsley | Coalition of Ohio Regional Districts | — | Jan-Apr19 |
| EDP Renewables | — | Jan-Apr19 |
| Terrence O'Donnell | EDP Renewables | — | Jan-Apr19 |
| William Vorys | EDP Renewables | — | Jan-Apr19 |
| Energy Action Fund | — | Jan-Apr19 |
| Terrence O'Donnell | Energy Action Fund | — | Jan-Apr19 |
| William Vorys | Energy Action Fund | — | Jan-Apr19 |
| Exelon Generation Company, LLC | — | Sep-Dec19 |
| Bridget E McAuliffe | Exelon Generation Company, LLC | — | Sep-Dec19 |
| C David Paragas | Exelon Generation Company, LLC | — | Sep-Dec19 |
| Guardian Water & Power, Inc. | — | Sep-Dec19 |
| Ronald Romito | Guardian Water & Power, Inc. | — | Sep-Dec19 |
| Hillcrest Solar I, LLC | — | Sep-Dec19 |
| Terrence O'Donnell | Hillcrest Solar I, LLC | — | Sep-Dec19 |
| William Vorys | Hillcrest Solar I, LLC | — | Sep-Dec19 |
| John T McGough | Industrial Energy Users-Ohio | — | Jan-Apr19 |
| Gary E Smith, Jr. | Interstate Gas Supply, Inc. | — | Sep-Dec19 |
| Invenergy LLC | — | Sep-Dec19 |
| Terrence O'Donnell | Invenergy LLC | — | Sep-Dec19 |
| William Vorys | Invenergy LLC | — | Sep-Dec19 |
| Just Energy | — | Sep-Dec19 |
| Anthony Brigano | Just Energy | — | Sep-Dec19 |
| Erik Mikkelson | Just Energy | — | Sep-Dec19 |
| Nationwide Energy Partners, LLC. | — | Sep-Dec19 |
| Drew Romig | Nationwide Energy Partners, LLC. | — | Sep-Dec20 |
| Eric Weldele | Nationwide Energy Partners, LLC. | — | Sep-Dec19 |
| Rebecca Simon | Nationwide Energy Partners, LLC. | — | Sep-Dec19 |
| Teresa Ringenbach | Nationwide Energy Partners, LLC. | — | Sep-Dec20 |
| Northeast Ohio Regional Sewer District | — | Jan-Apr19 |
| Andrew Huffman | Northeast Ohio Regional Sewer District | — | Jan-Apr19 |
| Brooke A Cheney | Northeast Ohio Regional Sewer District | — | Jan-Apr19 |
| Kelly C O'Reilly | Northeast Ohio Regional Sewer District | — | Jan-Apr19 |
| Matthew S Whitehead | Northeast Ohio Regional Sewer District | — | Jan-Apr19 |
| Victor F Hipsley | Northeast Ohio Regional Sewer District | — | Jan-Apr19 |
| Ohio Apartment Association | — | Jan-Apr19 |
| Joshua Sanders | Ohio Apartment Association | — | Jan-Apr19 |
| Leah Pappas Porner | Ohio Apartment Association | — | Jan-Apr19 |
| Maryellen K. Corbett | Ohio Apartment Association | — | Jan-Apr19 |
| Ohio Association of Professional Fire Fighters | — | Jan-Apr19 |
| James P Carney | Ohio Association of Professional Fire Fighters | — | Jan-Apr19 |
| Michael Taylor | Ohio Association of Professional Fire Fighters | — | Jan-Apr19 |
| Thomas A Rave | Ohio Association of Professional Fire Fighters | — | Jan-Apr19 |
| Ohio Building Owners & Managers Association | — | Sep-Dec19 |
| David L Hoeffel | Ohio Building Owners & Managers Association | — | Sep-Dec19 |
| Ohio Consumers' Counsel | — | Sep-Dec19 |
| Bruce Weston | Ohio Consumers' Counsel | — | Sep-Dec19 |
| Jeff Jacobson | Ohio Consumers' Counsel | — | Sep-Dec19 |
| Larry Sauer | Ohio Consumers' Counsel | — | Sep-Dec19 |
| Nicholas Stallard | Ohio Consumers' Counsel | — | Sep-Dec19 |
| Ohio Electric Utility Institute | — | Sep-Dec19 |
| Michael Brello | Ohio Electric Utility Institute | — | Sep-Dec19 |
| Ohio Housing Council | — | May-Aug19 |
| Andrew Huffman | Ohio Housing Council | — | May-Aug19 |
| Brooke A Cheney | Ohio Housing Council | — | May-Aug19 |
| Kelly C O'Reilly | Ohio Housing Council | — | May-Aug19 |
| Matthew S Whitehead | Ohio Housing Council | — | May-Aug19 |
| Victor F Hipsley | Ohio Housing Council | — | May-Aug19 |
| Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr19 |
| Andrea Reichman | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr19 |
| Andrew Huffman | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr19 |
| Brooke A Cheney | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr19 |
| Kelly C O'Reilly | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr19 |
| Matthew S Whitehead | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr19 |
| Timothy Williams | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr19 |
| Victor F Hipsley | Ohio Manufactured Homes Association (OMHA) | — | Jan-Apr19 |
| Ohio Municipal Electric Association | — | Jan-Apr19 |
| Charles Willoughby | Ohio Municipal Electric Association | — | Jan-Apr19 |
| Courtney Saunders | Ohio Municipal Electric Association | — | Jan-Apr19 |
| Daniel P Leite | Ohio Municipal Electric Association | — | Jan-Apr19 |
| Jolene M Thompson | Ohio Municipal Electric Association | — | Jan-Apr19 |
| Kurt L Leib | Ohio Municipal Electric Association | — | Jan-Apr19 |
| Lisa McAlister | Ohio Municipal Electric Association | — | Jan-Apr19 |
| Michael A Beirne | Ohio Municipal Electric Association | — | Jan-Apr19 |
| Robert N Eshenbaugh, Jr | Ohio Municipal Electric Association | — | Jan-Apr19 |
| Scott Owens | Ohio Municipal Electric Association | — | Jan-Apr19 |
| Ohio Poverty Law Center | — | Sep-Dec19 |
| Susan M Jagers | Ohio Poverty Law Center | — | Sep-Dec19 |
| Belinda M Jones | Ohio Power Company dba AEP & AEP Ohio | — | Sep-Dec19 |
| Dan Jones | Ohio Power Company dba AEP & AEP Ohio | — | Sep-Dec19 |
| Ohio Real Estate Investors Association | — | Jan-Apr19 |
| Andrew Huffman | Ohio Real Estate Investors Association | — | Jan-Apr19 |
| Brooke A Cheney | Ohio Real Estate Investors Association | — | Jan-Apr19 |
| Dan Acton | Ohio Real Estate Investors Association | — | Jan-Apr19 |
| Kelly C O'Reilly | Ohio Real Estate Investors Association | — | Jan-Apr19 |
| Matthew S Whitehead | Ohio Real Estate Investors Association | — | Jan-Apr19 |
| Victor F Hipsley | Ohio Real Estate Investors Association | — | Jan-Apr19 |
| Ohio Rural Broadband Association Inc. | — | Jan-Apr19 |
| Kathy E Hobbs | Ohio Rural Broadband Association Inc. | — | Jan-Apr19 |
| Ohio Rural Water Association | — | Jan-Apr19 |
| Andrew Huffman | Ohio Rural Water Association | — | Jan-Apr19 |
| Brooke A Cheney | Ohio Rural Water Association | — | Jan-Apr19 |
| Kelly C O'Reilly | Ohio Rural Water Association | — | Jan-Apr19 |
| Matthew S Whitehead | Ohio Rural Water Association | — | Jan-Apr19 |
| Victor F Hipsley | Ohio Rural Water Association | — | Jan-Apr19 |
| Ohio Telecom Association | — | Jan-Apr19 |
| Charles R Moses | Ohio Telecom Association | — | Jan-Apr19 |
| Cheryl Q Burchard | Ohio Telecom Association | — | Jan-Apr19 |
| Andrew Huffman | Ohio Township Association | — | Jan-Apr19 |
| Kelly C O'Reilly | Ohio Township Association | — | Jan-Apr19 |
| Victor F Hipsley | Ohio Township Association | — | Jan-Apr19 |
| Open Road Renewables | — | Jan-Apr19 |
| Terrence O'Donnell | Open Road Renewables | — | Jan-Apr19 |
| William Vorys | Open Road Renewables | — | Jan-Apr19 |
| Public Utilities Commission of Ohio | — | Sep-Dec19 |
| Jimmy Wolf | Public Utilities Commission of Ohio | — | Sep-Dec19 |
| Katherine Fleck | Public Utilities Commission of Ohio | — | Jan-Apr20 |
| Maura McClelland | Public Utilities Commission of Ohio | — | Sep-Dec19 |
| Samuel C Randazzo | Public Utilities Commission of Ohio | — | Sep-Dec19 |
| Scott Edward Elisar | Public Utilities Commission of Ohio | — | Sep-Dec19 |
| RWE Americas Services, LLC | — | Jan-Apr19 |
| Lauren Huddleston | RWE Americas Services, LLC | — | Jan-Apr19 |
| Neil S Clark | RWE Americas Services, LLC | — | Jan-Apr19 |
| Terrence O'Donnell | RWE Americas Services, LLC | — | Jan-Apr19 |
| William Vorys | RWE Americas Services, LLC | — | Jan-Apr19 |
| Shawn Nelson | Retail Energy Supply Association | — | Jan-Apr20 |
| Sol Systems, LLC | — | Jan-Apr19 |
| Terrence O'Donnell | Sol Systems, LLC | — | Jan-Apr19 |
| William Vorys | Sol Systems, LLC | — | Jan-Apr19 |
| Uplight | — | Sep-Dec19 |
| Terrence O'Donnell | Uplight | — | Sep-Dec19 |
| William Vorys | Uplight | — | Sep-Dec19 |