| Ted Stopulos | Alliant Energy Corporation | Undecided | GA91 |
| Katie Rock | BlueGreen Alliance | Supporting | GA91 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Gary Grant | City of Cedar Rapids | Undecided | GA91 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA91 |
| Kylie Spies | Common Good Iowa | Supporting | GA91 |
| Sean Finn | Common Good Iowa | Supporting | GA91 |
| Sheila Hansen | Common Good Iowa | Supporting | GA91 |
| Josh Mandelbaum | Environmental Law and Policy Center | Supporting | GA91 |
| Matt Ohloff | Environmental Law and Policy Center | Supporting | GA91 |
| Kelsey Schott | Google LLC and its Affiliates | Undecided | GA91 |
| Matt McKinney | Google LLC and its Affiliates | Undecided | GA91 |
| RG Schwarm | Google LLC and its Affiliates | Undecided | GA91 |
| Nick Laning | IBEW Iowa State Conference | Undecided | GA91 |
| Threase Harms | IBEW Iowa State Conference | 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 |
| 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 |
| Todd Coffelt | Iowa Dept. of Natural Resources | 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 |
| Irene DeMaris | Iowa Faith & Climate Network | Supporting | GA91 |
| Catherine Pollard | Iowa Farmers Union | Supporting | GA91 |
| Threase Harms | Iowa Farmers Union | Supporting | GA91 |
| Emily Piper | Iowa Rural Water Association | Undecided | GA91 |
| Logan Shine | Iowa Rural Water Association | Undecided | GA91 |
| Clair Lewis | Iowa Section American Water Works Association | Undecided | GA91 |
| Kate Walton | Iowa Section American Water Works Association | Undecided | GA91 |
| Matt Eide | Iowa Section American Water Works Association | Undecided | GA91 |
| Andrea Woodard | Iowa State Association of Counties | Supporting | GA91 |
| Beth Manley | Iowa State Association of Counties | Supporting | GA91 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA91 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA91 |
| Andrea Woodard | Iowa State Association of County Supervisors | Supporting | GA91 |
| Beth Manley | Iowa State Association of County Supervisors | Supporting | GA91 |
| Jamie Cashman | Iowa State Association of County Supervisors | Supporting | GA91 |
| Lucas Beenken | Iowa State Association of County Supervisors | Supporting | GA91 |
| Stephanie Weisenbach | Iowa Utilities Commission | Undecided | GA91 |
| Doug Struyk | Meta Platforms Inc. | Undecided | GA91 |
| Jennifer Dorman | Meta Platforms Inc. | Undecided | GA91 |
| Jim Carney | Meta Platforms Inc. | Undecided | GA91 |
| Onnalee Gettler | MidAmerican Energy Company | 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 |
| Christopher Rants | Quality Technology Services LLC | Undecided | GA91 |
| Justin Hupfer | Quality Technology Services LLC | Undecided | GA91 |
| Nancy Miller | Sisters of St. Francis, Dubuque, Iowa | Supporting | GA91 |
| Jacob Schrader | Technology Association of Iowa | Undecided | GA91 |
| Logan Murray | Technology Association of Iowa | Undecided | GA91 |
| Sydney Gangestad | Technology Association of Iowa | Undecided | GA91 |
| Emily Kavanagh | The Nature Conservancy | Supporting | GA91 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |
| Clair Lewis | West Des Moines Water Works | Undecided | GA91 |
| Kate Walton | West Des Moines Water Works | Undecided | GA91 |
| Matt Eide | West Des Moines Water Works | Undecided | GA91 |