| Terry Harrmann | Alliant Energy Corporation | 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 |
| Jim Obradovich | IA. Environmental Council | Undecided | GA84 |
| Nathaniel Baer | IA. Environmental Council | 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 |
| Kerri Johannsen | IA. Utilities Board | Undecided | GA84 |
| Mark Douglas | IA. Utility Assn. | 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 |
| John Davis | MidAmerican Energy Company | Undecided | GA84 |
| John Pederson | Missouri River Energy Services | Supporting | GA84 |
| Matt Eide | Missouri River Energy Services | Supporting | GA84 |
| Brian Johnson | NextEra Energy | Undecided | GA84 |
| Jamie Cashman | NextEra Energy | Undecided | GA84 |
| Ronald Polle | Office of Consumer Advocate | Undecided | GA84 |
| Amy Campbell | Professional Developers of IA (PDI) | Undecided | GA84 |
| Craig Patterson | Professional Developers of IA (PDI) | Undecided | GA84 |
| Mark Cooper | South Central Iowa Federation of Labor AFL-CIO | Undecided | GA84 |
| Susan Fenton | Wal-Mart Stores, Inc. | Undecided | GA84 |