| Terry Harrmann | Alliant Energy Corporation | Supporting | GA83 |
| John Cacciatore | American Coalition for Clean Coal Electricity (ACCCE) | Opposing | GA83 |
| John Cacciatore | American Coalition for Clean Coal Electricity (ACCCE) | Undecided | GA83 |
| Julie VandeHoef | American Coalition for Clean Coal Electricity (ACCCE) | Opposing | GA83 |
| Julie VandeHoef | American Coalition for Clean Coal Electricity (ACCCE) | Undecided | GA83 |
| Justin Hupfer | American Coalition for Clean Coal Electricity (ACCCE) | Opposing | GA83 |
| Justin Hupfer | American Coalition for Clean Coal Electricity (ACCCE) | 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 |
| Jane Magers | Earth Care, Inc. | Opposing | GA83 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Supporting | GA83 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Supporting | GA83 |
| Nicole Crain | IA. Assn. of Business and Industry (ABI) | Supporting | 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 |
| Neila Seaman | IA. Chapter of Sierra Club | Opposing | GA83 |
| Neila Seaman | IA. Chapter of Sierra Club | Undecided | GA83 |
| Jim Obradovich | IA. Environmental Council | Opposing | GA83 |
| Jim Obradovich | IA. Environmental Council | Undecided | GA83 |
| Nathaniel Baer | IA. Environmental Council | Undecided | GA83 |
| Michelle Lickteig | IA. Lakes Electric Cooperative | Undecided | GA83 |
| Stephen Roberts | IA. Lakes Electric Cooperative | Undecided | GA83 |
| Alan Kemp | IA. League of Cities | Undecided | GA83 |
| Jessica Hyland | IA. League of Cities | Undecided | GA83 |
| Julie Smith | IA. League of Cities | Undecided | GA83 |
| Larry Pope | IA. League of Cities | Undecided | GA83 |
| Megan Peiffer | IA. League of Cities | Undecided | GA83 |
| Mark Douglas | IA. Utility Assn. | Supporting | 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 |
| John Davis | MidAmerican Energy Company | Supporting | GA83 |
| John Pederson | Missouri River Energy Services | Undecided | GA83 |
| Matt Eide | Missouri River Energy Services | Undecided | GA83 |
| Ted Stopulos | Missouri River Energy Services | Undecided | GA83 |
| Brian Johnson | NextEra Energy | Undecided | GA83 |
| JoAnn Johnson | NextEra Energy | Undecided | GA83 |
| Cal Hultman | Union Pacific Railroad | Opposing | GA83 |
| Michael Triplett | Union Pacific Railroad | Opposing | GA83 |