| Amy Campbell | AARP Iowa | Undecided | GA90 |
| Paige Yontz | AARP Iowa | Undecided | GA90 |
| BRITTANY LUMLEY | Alliant Energy Corporation | Supporting | GA90 |
| Courtney Craig | Alliant Energy Corporation | Supporting | GA90 |
| Jeffrey Boeyink | Alliant Energy Corporation | Supporting | GA90 |
| Taylor McDonald | Alliant Energy Corporation | Supporting | GA90 |
| Ted Stopulos | Alliant Energy Corporation | Supporting | GA90 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA90 |
| Bob Rafferty | Iowa American Water Co. | Undecided | GA90 |
| Nick Laning | Iowa American Water Co. | Undecided | GA90 |
| Amy Campbell | Iowa Association of Area Agencies on Aging | Undecided | GA90 |
| Craig Patterson | Iowa Association of Area Agencies on Aging | Undecided | GA90 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA90 |
| Dustin Miller | Iowa Association of Electric Cooperatives | Undecided | GA90 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Undecided | GA90 |
| John Hirl | Iowa Association of Municipal Utilities | Undecided | GA90 |
| Marc Beltrame | Iowa Association of Municipal Utilities | Undecided | GA90 |
| Brad Epperly | Iowa Business Energy Coalition (IBEC) | Undecided | GA90 |
| Dustin Miller | Iowa Business Energy Coalition (IBEC) | Undecided | GA90 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA90 |
| Chelsea Hoye | Iowa Environmental Council | Opposing | GA90 |
| Threase Harms | Iowa Environmental Council | Opposing | GA90 |
| Geri Huser | Iowa Utilities Commission | Undecided | GA90 |
| Louis Vander Streek | Iowa Utilities Commission | Undecided | GA90 |
| Maison Bleam | Iowa Utilities Commission | Undecided | GA90 |
| David Adelman | MidAmerican Energy Company | Supporting | GA90 |
| Frank Chiodo | MidAmerican Energy Company | Supporting | GA90 |
| Lillie Brady | MidAmerican Energy Company | Supporting | GA90 |
| Matt Hinch | MidAmerican Energy Company | Supporting | GA90 |
| Onnalee Gettler | MidAmerican Energy Company | Supporting | GA90 |
| Sara Allen | MidAmerican Energy Company | Supporting | GA90 |
| Kate Walton | Missouri River Energy Services | Undecided | GA90 |
| Madeleine Bradley | Missouri River Energy Services | Undecided | GA90 |
| Matt Eide | Missouri River Energy Services | Undecided | GA90 |
| Jake Ketzner | Urbandale Water Utility | Undecided | GA90 |
| Larry Blixt | Urbandale Water Utility | Undecided | GA90 |
| Nick Boeyink | Urbandale Water Utility | Undecided | GA90 |