| Amy Campbell | AARP IA | Undecided | GA84 |
| Brad Anderson | AARP IA | Undecided | GA84 |
| Bruce Koeppl | AARP IA | Undecided | GA84 |
| Craig Patterson | AARP IA | Undecided | GA84 |
| Terry Harrmann | Alliant Energy Corporation | Supporting | GA84 |
| John Cacciatore | American Coalition for Clean Coal Electricity (ACCCE) | Undecided | GA84 |
| Justin Hupfer | American Coalition for Clean Coal Electricity (ACCCE) | Undecided | GA84 |
| Susan Walter | Black Hills Energy | Undecided | GA84 |
| Stephen Roberts | Central IA Power Cooperative (CIPCO) | Supporting | GA84 |
| Jane Magers | Earth Care, Inc. | Opposing | GA84 |
| Steve Falck | Environmental Law and Policy Center | Undecided | GA84 |
| Dave Parker | Great Plains Laborers District Council | Undecided | GA84 |
| Jay Byers | Greater Des Moines Partnership | Undecided | GA84 |
| Mike Carberry | Green State Solutions | Opposing | GA84 |
| Mike Carberry | Green State Solutions | Undecided | GA84 |
| NaomiSeaYoung Wittstruck | IA. Annual Conference of United Methodist Church | Opposing | GA84 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Nicole Crain | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Brad Epperly | IA. Assn. of Electric Cooperatives | Supporting | GA84 |
| Keith Luchtel | IA. Assn. of Electric Cooperatives | Supporting | GA84 |
| Paula Dierenfeld | IA. Assn. of Electric Cooperatives | Supporting | GA84 |
| Scott Sundstrom | IA. Assn. of Electric Cooperatives | Supporting | GA84 |
| Tim Coonan | IA. Assn. of Electric Cooperatives | Supporting | 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 | Opposing | GA84 |
| Lana Shope | IA. Community Action Assn. | Undecided | GA84 |
| Jim Obradovich | IA. Environmental Council | Opposing | GA84 |
| Nathaniel Baer | IA. Environmental Council | Opposing | GA84 |
| Jen Schulte | IA. Farmers Union | Opposing | GA84 |
| Jen Schulte | IA. Farmers Union | Undecided | GA84 |
| Kent Hartwig | IA. Farmers Union | Opposing | GA84 |
| Kent Hartwig | IA. Farmers Union | Undecided | GA84 |
| Kyle Frette | IA. Farmers Union | Opposing | GA84 |
| Kyle Frette | IA. Farmers Union | Undecided | GA84 |
| Threase Harms | IA. Farmers Union | Opposing | GA84 |
| Threase Harms | IA. Farmers Union | Undecided | GA84 |
| Sonia Ashe | IA. Public Interest Research Group | Opposing | GA84 |
| Greg Watkins | IA. Utilities Board | Undecided | GA84 |
| Joan Conrad | IA. Utilities Board | Undecided | GA84 |
| Kerri Johannsen | IA. Utilities Board | Undecided | GA84 |
| Mark Douglas | IA. Utility Assn. | Supporting | GA84 |
| Jim Obradovich | IA. Wind Energy Assn. | Opposing | 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 | Supporting | GA84 |
| John Pederson | Missouri River Energy Services | Supporting | GA84 |
| Matt Eide | Missouri River Energy Services | Supporting | GA84 |
| Jamie Cashman | NextEra Energy | Undecided | GA84 |
| Mark Schuling | Office of Consumer Advocate | Undecided | GA84 |
| Ronald Polle | Office of Consumer Advocate | Undecided | GA84 |