| Paige Yontz | AARP Iowa | Supporting | GA91 |
| Ted Stopulos | Alliant Energy Corporation | Undecided | GA91 |
| Dustin Rush | Americans For Prosperity | Opposing | GA91 |
| Tyler Raygor | Americans For Prosperity | Opposing | GA91 |
| Heather Ryan | Bitches Get Stuff Done | Supporting | GA91 |
| Heaven Chamberlain | Bitches Get Stuff Done | Supporting | GA91 |
| Jill Becker | Black Hills Energy | Undecided | GA91 |
| Tony Phillips | Black Hills Energy | Undecided | GA91 |
| Katie Rock | BlueGreen Alliance | Supporting | GA91 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Luke Elzinga | Des Moines Area Religious Council | Supporting | GA91 |
| Josh Mandelbaum | Environmental Law and Policy Center | Supporting | GA91 |
| Matt Ohloff | Environmental Law and Policy Center | Supporting | GA91 |
| Jacob Schrader | Greater Iowa Apartment Association | Undecided | GA91 |
| Logan Murray | Greater Iowa Apartment Association | Undecided | GA91 |
| Sydney Gangestad | Greater Iowa Apartment Association | 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 | Opposing | GA91 |
| Casey Nickel | Iowa Association of Electric Cooperatives | Opposing | GA91 |
| Dustin Miller | Iowa Association of Electric Cooperatives | Opposing | GA91 |
| Ethan Hohenadel | Iowa Association of Electric Cooperatives | Opposing | GA91 |
| Ethan Hohenadel | Iowa Association of Electric Cooperatives | Undecided | GA91 |
| Haley Moon | Iowa Association of Electric Cooperatives | Opposing | GA91 |
| Haley Moon | Iowa Association of Electric Cooperatives | Undecided | GA91 |
| David Peck | Iowa Association of Municipal Utilities | Opposing | GA91 |
| Marc Beltrame | Iowa Association of Municipal Utilities | Opposing | GA91 |
| Larry Murphy | Iowa Catholic Conference | Supporting | GA91 |
| Tom Chapman | Iowa Catholic Conference | Supporting | 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 | Supporting | GA91 |
| Kate Walton | Iowa Community Action Association | Supporting | GA91 |
| Matt Eide | Iowa Community Action Association | Supporting | GA91 |
| Deanna Triplett | Iowa Economic Development Authority | Undecided | GA91 |
| Catherine Pollard | Iowa Environmental Council | Supporting | GA91 |
| Cody Smith | Iowa Environmental Council | Supporting | GA91 |
| Colleen Fowle | Iowa Environmental Council | Supporting | GA91 |
| Jordan Oster | Iowa Environmental Council | Supporting | GA91 |
| Kerri Johannsen | Iowa Environmental Council | Supporting | GA91 |
| Michael Schmidt | Iowa Environmental Council | Supporting | GA91 |
| Sarah Green | Iowa Environmental Council | Supporting | GA91 |
| Threase Harms | Iowa Environmental Council | Supporting | GA91 |
| Clair Lewis | Iowa Homeless Coalition | Supporting | GA91 |
| Kate Walton | Iowa Homeless Coalition | Supporting | GA91 |
| Matt Eide | Iowa Homeless Coalition | Supporting | GA91 |
| Teresa Bomhoff | Iowa Integrated Health Planning and Advisory Council | Supporting | GA91 |
| Stephanie Weisenbach | Iowa Utilities Commission | Supporting | GA91 |
| Chaz Allen | Iowa Utility Association | Undecided | GA91 |
| Jacob Schrader | Landlords of Iowa | Undecided | GA91 |
| Logan Murray | Landlords of Iowa | Undecided | GA91 |
| Sydney Gangestad | Landlords of Iowa | Undecided | GA91 |
| Onnalee Gettler | MidAmerican Energy Company | Undecided | GA91 |
| Ben Gentz | Missouri River Energy Services | Opposing | GA91 |
| Betty Andrews | NAACP, National Association for the Advancement of Colored People, Iowa-Nebraska | Supporting | GA91 |
| Betty Andrews | NAACP, National Association for the Advancement of Colored People, Iowa-Nebraska | Withdrawn | GA91 |
| Betty Andrews | NAACP, National Association for the Advancement of Colored People, Iowa-Nebraska | Opposing | GA91 |
| David Walker | NAACP, National Association for the Advancement of Colored People, Iowa-Nebraska | Supporting | GA91 |