| Paige Yontz | AARP Iowa | Undecided | GA91 |
| BRITTANY LUMLEY | Alliant Energy Corporation | Opposing | GA91 |
| Courtney Craig | Alliant Energy Corporation | Opposing | GA91 |
| Elliott Meyer | Alliant Energy Corporation | Opposing | GA91 |
| Jeffrey Boeyink | Alliant Energy Corporation | 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 |
| David Peck | Iowa Association of Municipal Utilities | Undecided | GA91 |
| Marc Beltrame | Iowa Association of Municipal Utilities | Undecided | GA91 |
| Robert Palmer | Iowa Business Energy Coalition (IBEC) | Undecided | GA91 |
| Briana Kouma | Iowa Chapter of Sierra Club | Supporting | GA91 |
| Jessica Mazour | Iowa Chapter of Sierra Club | Supporting | GA91 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Supporting | GA91 |
| Clair Lewis | Iowa Community Action Association | Undecided | GA91 |
| Kate Walton | Iowa Community Action Association | Undecided | GA91 |
| Matt Eide | Iowa Community Action Association | Undecided | GA91 |
| Catherine Pollard | Iowa Environmental Council | Undecided | GA91 |
| Jordan Oster | Iowa Environmental Council | Undecided | GA91 |
| Kerri Johannsen | Iowa Environmental Council | Undecided | GA91 |
| Threase Harms | Iowa Environmental Council | Undecided | GA91 |
| Stephanie Weisenbach | Iowa Utilities Commission | Undecided | GA91 |
| Chaz Allen | Iowa Utility Association | Opposing | GA91 |
| Chaz Allen | Iowa Utility Association | Undecided | GA91 |
| David Adelman | MidAmerican Energy Company | Opposing | GA91 |
| Frank Chiodo | MidAmerican Energy Company | Opposing | GA91 |
| Matt Hinch | MidAmerican Energy Company | Opposing | GA91 |
| Onnalee Gettler | MidAmerican Energy Company | Opposing | GA91 |
| Paige Thorson | MidAmerican Energy Company | Opposing | GA91 |
| Sara Allen | MidAmerican Energy Company | Opposing | GA91 |
| Scott Newhard | MidAmerican Energy Company | Opposing | GA91 |
| Ben Gentz | Missouri River Energy Services | Undecided | GA91 |
| Clair Lewis | Missouri River Energy Services | Undecided | GA91 |
| Kate Walton | Missouri River Energy Services | Undecided | GA91 |
| Matt Eide | Missouri River Energy Services | Undecided | GA91 |
| Doug Struyk | The Nature Conservancy | Undecided | GA91 |
| Emily Kavanagh | The Nature Conservancy | Undecided | GA91 |
| Jennifer Dorman | The Nature Conservancy | Undecided | GA91 |
| Jim Carney | The Nature Conservancy | Undecided | GA91 |