| Terry Harrmann | Alliant Energy Corporation | Supporting | GA84 |
| F. Thornton | Central IA Power Cooperative (CIPCO) | Undecided | GA84 |
| Jessica Hyland | Central IA Power Cooperative (CIPCO) | Undecided | GA84 |
| Stephen Roberts | Central IA Power Cooperative (CIPCO) | Undecided | GA84 |
| Thomas Stanberry | Central IA Power Cooperative (CIPCO) | Undecided | GA84 |
| Brad Epperly | Clean Line Energy | Undecided | GA84 |
| Keith Luchtel | Clean Line Energy | Undecided | GA84 |
| Paula Dierenfeld | Clean Line Energy | Undecided | GA84 |
| Scott Sundstrom | Clean Line Energy | Undecided | GA84 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Kevin Condon | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Brad Epperly | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Keith Luchtel | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Paula Dierenfeld | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Scott Sundstrom | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Tim Coonan | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Julie Smith | IA. Assn. of Municipal Utilities | Supporting | GA84 |
| Larry Pope | IA. Assn. of Municipal Utilities | Supporting | GA84 |
| Robert Haug | IA. Assn. of Municipal Utilities | Supporting | GA84 |
| Neila Seaman | IA. Chapter of Sierra Club | Undecided | GA84 |
| Jen Schulte | IA. Farmers Union | Undecided | GA84 |
| Kent Hartwig | IA. Farmers Union | Undecided | GA84 |
| Threase Harms | IA. Farmers Union | Undecided | GA84 |
| Hanna DeGroot | IA. State Assn. of Counties | Undecided | GA84 |
| Kristi Harshbarger | IA. State Assn. of Counties | Undecided | GA84 |
| Linda Hinton | IA. State Assn. of Counties | Undecided | GA84 |
| MaryBeth Mellick | IA. State Assn. of Counties | Undecided | GA84 |
| William Peterson | IA. State Assn. of Counties | Undecided | GA84 |
| Jim Obradovich | IA. Wind Energy Assn. | Undecided | GA84 |
| Jen Schulte | IBEW IA State Conference | Undecided | GA84 |
| Kent Hartwig | IBEW IA State Conference | Undecided | GA84 |
| Threase Harms | IBEW IA State Conference | Undecided | GA84 |
| Jerry Fitzgerald | ITC Midwest | Undecided | GA84 |
| Maggie Smith-Fitzgerald | ITC Midwest | Undecided | GA84 |
| Mark Joyce | ITC Midwest | Undecided | GA84 |
| Ronald Polle | Office of Consumer Advocate | Undecided | GA84 |
| Mike Heller | Waste Management, Inc. | Undecided | GA84 |
| Paula Feltner | Waste Management, Inc. | Undecided | GA84 |