| Ted Stopulos | Alliant Energy Corporation | Undecided | GA91 |
| Brad Epperly | American Clean Power Association | Supporting | GA91 |
| Brad Epperly | American Clean Power Association | Undecided | GA91 |
| Casey Nickel | American Clean Power Association | Supporting | GA91 |
| Casey Nickel | American Clean Power Association | Undecided | GA91 |
| Dustin Miller | American Clean Power Association | Supporting | GA91 |
| Dustin Miller | American Clean Power Association | Undecided | GA91 |
| Mark Joyce | American Power Play | Supporting | GA91 |
| Katie Rock | BlueGreen Alliance | Undecided | GA91 |
| Barbra Solberg | Cedar Rapids Metro Economic Alliance | 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| Gary Grant | Cedar Rapids Metro Economic Alliance | Withdrawn | GA91 |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 |
| Christopher Rants | Center for Rural Affairs | Undecided | GA91 |
| Cynthia Farmer | Center for Rural Affairs | Undecided | GA91 |
| John Cacciatore | Center for Rural Affairs | Undecided | GA91 |
| Kerry Koonce | Central Iowa Power Cooperative (CIPCO) | Undecided | GA91 |
| Kevin Condon | Central Iowa Power Cooperative (CIPCO) | Undecided | GA91 |
| Brad Epperly | Clean Grid Alliance | Supporting | GA91 |
| Brad Epperly | Clean Grid Alliance | Undecided | GA91 |
| Casey Nickel | Clean Grid Alliance | Supporting | GA91 |
| Casey Nickel | Clean Grid Alliance | Undecided | GA91 |
| Dustin Miller | Clean Grid Alliance | Supporting | GA91 |
| Dustin Miller | Clean Grid Alliance | Undecided | GA91 |
| Sandra Conlin | Clean Grid Alliance | Supporting | GA91 |
| Joseph Buffington | County Planning and Zoning Officials of Iowa | Undecided | GA91 |
| Nathan Mueller | County Planning and Zoning Officials of Iowa | Undecided | GA91 |
| Clare Gill | Dubuque Area Chamber of Commerce | Supporting | GA91 |
| Nick Laning | IBEW Iowa State Conference | Undecided | GA91 |
| Nick Laning | IBEW Iowa State Conference | Opposing | GA91 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA91 |
| Threase Harms | IBEW Iowa State Conference | Opposing | GA91 |
| Brian Selinger | ITC Midwest | Undecided | GA91 |
| Andy Conlin | Invenergy | Supporting | GA91 |
| Dennis Tibben | Invenergy | Supporting | GA91 |
| Kenna Mulligan-Sissman | Invenergy | 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 |
| Elliott Gebel | 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 |
| Robert Palmer | Iowa Business Energy Coalition (IBEC) | Undecided | GA91 |
| Bob Rafferty | Iowa Business for Clean Energy | Supporting | GA91 |
| Christopher Rants | Iowa Business for Clean Energy | Supporting | GA91 |
| John Cacciatore | Iowa Business for Clean Energy | Supporting | GA91 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA91 |
| Nick Boeyink | Iowa Conservative Energy Forum | Supporting | GA91 |
| Deanna Triplett | Iowa Economic Development Authority | Undecided | GA91 |
| Cody Smith | Iowa Environmental Council | Undecided | GA91 |
| Colleen Fowle | Iowa Environmental Council | Undecided | GA91 |
| Kerri Johannsen | Iowa Environmental Council | Undecided | GA91 |
| Michael Schmidt | Iowa Environmental Council | Undecided | GA91 |
| Noah Hackbart | Iowa Environmental Council | Undecided | GA91 |
| Sarah Green | Iowa Environmental Council | Undecided | GA91 |
| Threase Harms | Iowa Environmental Council | 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 |
| Noah Hackbart | Iowa Farmers Union | Undecided | GA91 |
| Threase Harms | Iowa Farmers Union | Undecided | GA91 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Undecided | GA91 |
| Jefferson Fink | Iowa Public Airports Association | Undecided | GA91 |
| Jim Obradovich | Iowa Public Airports Association | Undecided | GA91 |
| Victoria Sinclair | Iowa Public Airports Association | Undecided | GA91 |
| Andrea Woodard | 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 |
| 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 |
| Jefferson Fink | Land of the Free Action | Undecided | GA91 |
| Jim Obradovich | Land of the Free Action | Undecided | GA91 |
| Victoria Sinclair | Land of the Free Action | Undecided | GA91 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA91 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA91 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA91 |
| Kelly Meyers | Marion County Board of Supervisors | Undecided | GA91 |
| Dane Schumann | Mid-American Carpenters Regional Council | Undecided | GA91 |
| David Adelman | MidAmerican Energy Company | Undecided | GA91 |
| Frank Chiodo | MidAmerican Energy Company | Undecided | GA91 |
| Matt Hinch | MidAmerican Energy Company | Undecided | GA91 |
| Onnalee Gettler | MidAmerican Energy Company | Undecided | GA91 |
| Paige Thorson | MidAmerican Energy Company | Undecided | GA91 |
| Sara Allen | MidAmerican Energy Company | Undecided | GA91 |
| Scott Newhard | MidAmerican Energy Company | Undecided | GA91 |
| Ben Gentz | Missouri River Energy Services | Undecided | GA91 |
| Kate Walton | Missouri River Energy Services | Undecided | GA91 |
| Madeleine Bradley | Missouri River Energy Services | Undecided | GA91 |
| Matt Eide | Missouri River Energy Services | Undecided | GA91 |
| Tony Thompson | Personal Interest- Tony Thompson | Undecided | GA91 |
| Michael Triplett | Ranger Power | Undecided | GA91 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |