| Sandra Conlin | Associated Builders & Contractors of Iowa | Opposing | GA91 |
| Jake Highfill | Black Hills Energy | Supporting | GA91 |
| Jill Becker | Black Hills Energy | Supporting | GA91 |
| Tony Phillips | Black Hills Energy | Supporting | GA91 |
| Greg Ploeger | Greater Des Moines Heating & Cooling Association | Opposing | GA91 |
| Jefferson Fink | Greater Des Moines Heating & Cooling Association | Opposing | GA91 |
| Jim Obradovich | Greater Des Moines Heating & Cooling Association | Opposing | GA91 |
| Nick Laning | IBEW Iowa State Conference | Undecided | GA91 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA91 |
| Greg Ploeger | Iowa Alliance for Fair Competition | Opposing | GA91 |
| Jefferson Fink | Iowa Alliance for Fair Competition | Opposing | GA91 |
| Jim Obradovich | Iowa Alliance for Fair Competition | Opposing | GA91 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA91 |
| John Davis | Iowa Association of Business and Industry (ABI) | Undecided | GA91 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA91 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA91 |
| Casey Nickel | Iowa Association of Electric Cooperatives | Undecided | GA91 |
| Dustin Miller | Iowa Association of Electric Cooperatives | Undecided | GA91 |
| Ethan Hohenadel | Iowa Association of Electric Cooperatives | Undecided | GA91 |
| Haley Moon | Iowa Association of Electric Cooperatives | Undecided | GA91 |
| Greta Haas | Iowa Association of Realtors | Undecided | GA91 |
| Jennifer Kingland | Iowa Association of Realtors | Undecided | GA91 |
| Briana Kouma | Iowa Chapter of Sierra Club | Undecided | GA91 |
| Jessica Mazour | Iowa Chapter of Sierra Club | Undecided | GA91 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA91 |
| Stephanie Weisenbach | Iowa Utilities Commission | Undecided | GA91 |
| Christopher Rants | Mechanical Contractors Association of Iowa (MCAI) | Opposing | GA91 |
| Justin Hupfer | Mechanical Contractors Association of Iowa (MCAI) | Opposing | GA91 |
| Onnalee Gettler | MidAmerican Energy Company | Undecided | GA91 |
| Christopher Rants | Plumbers and Steam Fitters Local 33 | Opposing | GA91 |
| Jake Friedrichsen | Plumbers and Steam Fitters Local 33 | Opposing | GA91 |
| Eric Goranson | Plumbing Heating & Cooling Contractors of IA | Opposing | GA91 |
| David Adelman | Sheet Metal Contractors of Iowa | Undecided | GA91 |
| Frank Chiodo | Sheet Metal Contractors of Iowa | Undecided | GA91 |
| Matt Hinch | Sheet Metal Contractors of Iowa | Undecided | GA91 |
| Paige Thorson | Sheet Metal Contractors of Iowa | Undecided | GA91 |
| Sara Allen | Sheet Metal Contractors of Iowa | Undecided | GA91 |