| Terry Harrmann | Alliant Energy Corporation | Supporting | GA83 |
| Terry Harrmann | Alliant Energy Corporation | Undecided | GA83 |
| Susan Walter | Black Hills Energy | Undecided | GA83 |
| F. Thornton | Central IA Power Cooperative (CIPCO) | Undecided | GA83 |
| Michelle Lickteig | Central IA Power Cooperative (CIPCO) | Undecided | GA83 |
| Stephen Roberts | Central IA Power Cooperative (CIPCO) | Undecided | GA83 |
| Dave Parker | Great Plains Laborers District Council | Supporting | GA83 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Undecided | GA83 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Undecided | GA83 |
| Nicole Crain | IA. Assn. of Business and Industry (ABI) | Undecided | GA83 |
| Brad Epperly | IA. Assn. of Electric Cooperatives | Supporting | GA83 |
| James West | IA. Assn. of Electric Cooperatives | Supporting | GA83 |
| Keith Luchtel | IA. Assn. of Electric Cooperatives | Supporting | GA83 |
| Paula Dierenfeld | IA. Assn. of Electric Cooperatives | Supporting | GA83 |
| Scott Sundstrom | IA. Assn. of Electric Cooperatives | Supporting | GA83 |
| Tim Coonan | IA. Assn. of Electric Cooperatives | Supporting | GA83 |
| Julie Smith | IA. Assn. of Municipal Utilities | Undecided | GA83 |
| Larry Pope | IA. Assn. of Municipal Utilities | Undecided | GA83 |
| Jim Obradovich | IA. Environmental Council | Undecided | GA83 |
| Leland Searles | IA. Environmental Council | Undecided | GA83 |
| Nathaniel Baer | IA. Environmental Council | Undecided | GA83 |
| Jen Schulte | IA. Farmers Union | Undecided | GA83 |
| Kent Hartwig | IA. Farmers Union | Undecided | GA83 |
| Kyle Frette | IA. Farmers Union | Undecided | GA83 |
| Threase Harms | IA. Farmers Union | Undecided | GA83 |
| Michelle Lickteig | IA. Lakes Electric Cooperative | Undecided | GA83 |
| Stephen Roberts | IA. Lakes Electric Cooperative | Undecided | GA83 |
| Joan Conrad | IA. Utilities Board | Undecided | GA83 |
| Mark Douglas | IA. Utility Assn. | Undecided | GA83 |
| Jim Obradovich | IA. Wind Energy Assn. | Undecided | GA83 |
| Jerry Fitzgerald | ITC Midwest | Undecided | GA83 |
| Maggie Smith-Fitzgerald | ITC Midwest | Undecided | GA83 |
| Mark Joyce | ITC Midwest | Undecided | GA83 |
| Roy Overton | Izaak Walton League - Iowa Division | Undecided | GA83 |
| John Davis | MidAmerican Energy Company | Undecided | GA83 |
| John Pederson | Missouri River Energy Services | Supporting | GA83 |
| John Pederson | Missouri River Energy Services | Undecided | GA83 |
| Matt Eide | Missouri River Energy Services | Supporting | GA83 |
| Matt Eide | Missouri River Energy Services | Undecided | GA83 |
| Ted Stopulos | Missouri River Energy Services | Supporting | GA83 |
| Ted Stopulos | Missouri River Energy Services | Undecided | GA83 |
| Brian Johnson | NextEra Energy | Undecided | GA83 |
| JoAnn Johnson | NextEra Energy | Undecided | GA83 |
| Robert Grayson | Office of Energy Independence | Undecided | GA83 |
| Robert Fowler | Personal | Supporting | GA83 |
| Amy Campbell | Professional Developers of IA (PDI) | Undecided | GA83 |
| Craig Patterson | Professional Developers of IA (PDI) | Undecided | GA83 |