| Ted Stopulos | Alliant Energy Corporation | Undecided | GA91 |
| Brad Epperly | American Clean Power Association | Supporting | GA91 |
| Casey Nickel | American Clean Power Association | Supporting | GA91 |
| Dustin Miller | American Clean Power Association | Supporting | GA91 |
| Mark Joyce | American Power Play | Supporting | GA91 |
| Nick Boeyink | American Power Play | Supporting | GA91 |
| Bill Dix | Apex Clean Energy Management LLC | Supporting | GA91 |
| Katie Rock | BlueGreen Alliance | Undecided | GA91 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Cynthia Farmer | Center for Rural Affairs | Undecided | GA91 |
| Gary Grant | City of Cedar Rapids | Undecided | GA91 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA91 |
| Brad Epperly | Clean Grid Alliance | Supporting | GA91 |
| Casey Nickel | Clean Grid Alliance | Supporting | GA91 |
| Dustin Miller | Clean Grid Alliance | Supporting | GA91 |
| Jeff Danielson | Clean Grid Alliance | Supporting | GA91 |
| Sandra Conlin | Clean Grid Alliance | Supporting | GA91 |
| Josh Mandelbaum | Environmental Law and Policy Center | Undecided | GA91 |
| Matt Ohloff | Environmental Law and Policy Center | Undecided | GA91 |
| Andy Conlin | Invenergy | Undecided | GA91 |
| Dennis Tibben | Invenergy | Undecided | GA91 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Supporting | GA91 |
| John Davis | Iowa Association of Business and Industry (ABI) | Supporting | GA91 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | 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 | Supporting | GA91 |
| Jessica Mazour | Iowa Chapter of Sierra Club | Supporting | GA91 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Supporting | GA91 |
| Nick Boeyink | Iowa Conservative Energy Forum | Supporting | GA91 |
| Cody Smith | Iowa Environmental Council | Undecided | GA91 |
| Colleen Fowle | Iowa Environmental Council | Undecided | GA91 |
| Jordan Oster | Iowa Environmental Council | Undecided | GA91 |
| Kerri Johannsen | Iowa Environmental Council | Undecided | GA91 |
| Michael Schmidt | Iowa Environmental Council | Undecided | GA91 |
| Sarah Green | Iowa Environmental Council | Undecided | GA91 |
| Irene DeMaris | Iowa Faith & Climate Network | Undecided | GA91 |
| Kevin Kuhle | Iowa Farm Bureau Federation | Opposing | GA91 |
| Matt Gronewald | Iowa Farm Bureau Federation | Opposing | GA91 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Opposing | GA91 |
| Catherine Pollard | Iowa Farmers Union | Undecided | GA91 |
| Threase Harms | Iowa Farmers Union | Undecided | GA91 |
| Jefferson Fink | Iowa Public Airports Association | Undecided | GA91 |
| Jim Obradovich | Iowa Public Airports Association | Undecided | GA91 |
| Andrea Woodard | Iowa State Association of Counties | Undecided | GA91 |
| Beth Manley | Iowa State Association of Counties | Undecided | GA91 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA91 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA91 |
| Andrea Woodard | Iowa State Association of County Supervisors | Undecided | GA91 |
| Beth Manley | Iowa State Association of County Supervisors | Undecided | GA91 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA91 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA91 |
| Stephanie Weisenbach | Iowa Utilities Commission | Undecided | GA91 |
| Dylan Gramlich | Laborers International Union of North America | Undecided | GA91 |
| Victoria Sinclair | Land of the Free Action | Opposing | GA91 |
| Dane Schumann | Mid-American Carpenters Regional Council | Undecided | GA91 |
| Onnalee Gettler | MidAmerican Energy Company | Undecided | 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 |
| Christopher Rants | NextEra Energy | Supporting | GA91 |
| Jake Friedrichsen | NextEra Energy | Supporting | GA91 |
| Justin Hupfer | NextEra Energy | Supporting | GA91 |
| Michael Triplett | Ranger Power | Undecided | GA91 |
| BRITTANY LUMLEY | SOO Green HVDC Link ProjectCo, LLC | Supporting | GA91 |
| Courtney Craig | SOO Green HVDC Link ProjectCo, LLC | Supporting | GA91 |
| Elliott Meyer | SOO Green HVDC Link ProjectCo, LLC | Supporting | GA91 |
| Jeffrey Boeyink | SOO Green HVDC Link ProjectCo, LLC | Supporting | GA91 |
| Gabrielle Jorgensen | Scout Clean Energy | Supporting | 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 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |