| Ted Stopulos | Alliant Energy Corporation | Supporting | GA91 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Supporting | GA91 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Withdrawn | GA91 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Nick Laning | IBEW Iowa State Conference | Supporting | GA91 |
| Threase Harms | IBEW Iowa State Conference | Supporting | 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 |
| Briana Kouma | Iowa Chapter of Sierra Club | Opposing | GA91 |
| Jessica Mazour | Iowa Chapter of Sierra Club | Opposing | GA91 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Opposing | GA91 |
| Deanna Triplett | Iowa Economic Development Authority | Undecided | GA91 |
| Dane Schumann | Mid-American Carpenters Regional Council | Undecided | GA91 |
| Onnalee Gettler | MidAmerican Energy Company | Supporting | GA91 |
| Christopher Rants | NextEra Energy | Supporting | GA91 |
| Jake Friedrichsen | NextEra Energy | Supporting | GA91 |
| Justin Hupfer | NextEra Energy | Supporting | GA91 |
| Jacob Schrader | Technology Association of Iowa | Supporting | GA91 |
| Logan Murray | Technology Association of Iowa | Supporting | GA91 |
| Sydney Gangestad | Technology Association of Iowa | Supporting | GA91 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |