| Terry Harrmann | Alliant Energy Corporation | Undecided | GA86 |
| Thomas Jochum | Central Iowa Building Construction Trades Council | Opposing | GA86 |
| Gary Grant | City of Cedar Rapids | Undecided | GA86 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA86 |
| Meghan Malloy | City of Cedar Rapids | Undecided | GA86 |
| Beth Conley | Clean Line Energy | Opposing | GA86 |
| Robert Weiser | Clean Line Energy | Opposing | GA86 |
| Steve Falck | Environmental Law and Policy Center | Opposing | GA86 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Opposing | GA86 |
| Dane Schumann | IBEW Iowa State Conference | Opposing | GA86 |
| Emily Hockins | IBEW Iowa State Conference | Opposing | GA86 |
| Threase Harms | IBEW Iowa State Conference | Opposing | GA86 |
| Mark Joyce | ITC Midwest | Undecided | GA86 |
| James Piazza, Jr. | International Union of Operating Engineers-Local 234 | Opposing | GA86 |
| Brian Carter | Iowa Annual Conference of United Methodist Church | Undecided | GA86 |
| Gary Nims | Iowa Annual Conference of United Methodist Church | Undecided | GA86 |
| Marty Ryan | Iowa Annual Conference of United Methodist Church | Undecided | GA86 |
| Peggy Aguilar | Iowa Annual Conference of United Methodist Church | Undecided | GA86 |
| Rita Carter | Iowa Annual Conference of United Methodist Church | Undecided | GA86 |
| Sheila Corsbie | Iowa Annual Conference of United Methodist Church | Undecided | GA86 |
| Stephanie Fawkes-Lee | Iowa Annual Conference of United Methodist Church | Undecided | GA86 |
| Walden Paige | Iowa Annual Conference of United Methodist Church | Undecided | GA86 |
| William Steward | Iowa Annual Conference of United Methodist Church | Undecided | GA86 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA86 |
| Paula Dierenfeld | Iowa Association of Electric Cooperatives | Undecided | GA86 |
| Scott Sundstrom | Iowa Association of Electric Cooperatives | Undecided | GA86 |
| Tim Coonan | Iowa Association of Electric Cooperatives | Undecided | GA86 |
| Neila Seaman | Iowa Chapter of Sierra Club | Undecided | GA86 |
| Nathaniel Baer | Iowa Environmental Council | Opposing | GA86 |
| Ralph Rosenberg | Iowa Environmental Council | Opposing | GA86 |
| Robert Mulqueen | Iowa Environmental Council | Opposing | GA86 |
| Angela Davis | Iowa Farmland, LLC | Supporting | GA86 |
| Bill Wimmer | Iowa Farmland, LLC | Supporting | GA86 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Opposing | GA86 |
| Susan Guy | Iowa Interfaith Power & Light | Opposing | GA86 |
| Mike St. Clair | Iowa State Building and Construction Trades Council | Opposing | GA86 |
| tom fey | Iowa State Building and Construction Trades Council | Opposing | GA86 |
| tom fey | Iowa State Building and Construction Trades Council | Withdrawn | GA86 |
| Geri Huser | Iowa Utilities Board | Undecided | GA86 |
| Libby Jacobs | Iowa Utilities Board | Undecided | GA86 |
| Louis Vander Streek | Iowa Utilities Board | Undecided | GA86 |
| Nick Wagner | Iowa Utilities Board | Undecided | GA86 |
| Jim Obradovich | Iowa Wind Energy Association | Opposing | GA86 |
| Erich Schmidt | Laborers International Union of North America | Opposing | GA86 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA86 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA86 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA86 |
| John Pederson | Missouri River Energy Services | Undecided | GA86 |
| Kelly Nuckolls | Missouri River Energy Services | Undecided | GA86 |
| Matt Eide | Missouri River Energy Services | Undecided | GA86 |
| Brian Johnson | NextEra Energy | Undecided | GA86 |
| Brian Johnson | NextEra Energy | Supporting | GA86 |
| Chris Smith | SMART Sheet Metal Local 263 | Opposing | GA86 |
| Chris Smith | SMART Sheet Metal Local 45 | Opposing | GA86 |
| Chris Smith | SMART Sheet Metal Local 91 | Opposing | GA86 |
| Chris Smith | SMART-Transportation Division | Opposing | GA86 |
| Doug Struyk | The Preservation of Rural Iowa Alliance | Supporting | GA86 |
| George Appleby | The Preservation of Rural Iowa Alliance | Supporting | GA86 |
| Jennifer Tyler | The Preservation of Rural Iowa Alliance | Supporting | GA86 |
| Jim Carney | The Preservation of Rural Iowa Alliance | Supporting | GA86 |
| Shannon Henson | The Preservation of Rural Iowa Alliance | Supporting | GA86 |
| Brian Johnson | U.S. Cellular | Undecided | GA86 |
| Brian Johnson | U.S. Cellular | Supporting | GA86 |
| Mike St. Clair | Wind on the Wires | Opposing | GA86 |
| tom fey | Wind on the Wires | Opposing | GA86 |