| Terry Harrmann | Alliant Energy Corporation | Undecided | GA86 |
| Jim Obradovich | Distributed Wind Energy Association of America | Opposing | GA86 |
| Josh Mandelbaum | Environmental Law and Policy Center | Supporting | GA86 |
| Steve Falck | Environmental Law and Policy Center | Supporting | GA86 |
| Angela Davis | Hy-Vee, Inc. | Undecided | GA86 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA86 |
| Jake Oeth | IBEW Iowa State Conference | Undecided | GA86 |
| Kent Hartwig | IBEW Iowa State Conference | Undecided | GA86 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA86 |
| Andrea Addington | Iowa Annual Conference of United Methodist Church | Supporting | GA86 |
| Brian Carter | Iowa Annual Conference of United Methodist Church | Supporting | GA86 |
| Marty Ryan | Iowa Annual Conference of United Methodist Church | Supporting | GA86 |
| Rita Carter | Iowa Annual Conference of United Methodist Church | Supporting | GA86 |
| Sheila Corsbie | Iowa Annual Conference of United Methodist Church | Supporting | GA86 |
| Stephanie Fawkes-Lee | Iowa Annual Conference of United Methodist Church | Supporting | GA86 |
| Walden Paige | Iowa Annual Conference of United Methodist Church | Supporting | GA86 |
| William Steward | Iowa Annual Conference of United Methodist Church | Supporting | GA86 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Rachel Geilenfeld | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Zach Dalluge | Iowa Association of Business and Industry (ABI) | 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 | Opposing | GA86 |
| Robert Mulqueen | Iowa Environmental Council | Undecided | GA86 |
| Jake Oeth | Iowa Farmers Union | Undecided | GA86 |
| Kent Hartwig | Iowa Farmers Union | Undecided | GA86 |
| Threase Harms | Iowa Farmers Union | Undecided | GA86 |
| Brad Epperly | Iowa Geothermal Association | Undecided | GA86 |
| Paula Dierenfeld | Iowa Geothermal Association | Undecided | GA86 |
| Scott Sundstrom | Iowa Geothermal Association | Undecided | GA86 |
| Susan Guy | Iowa Interfaith Power & Light | Supporting | GA86 |
| Jim Obradovich | Iowa Recycling Association | Undecided | GA86 |
| Jim Obradovich | Iowa Society of Solid Waste Operations (ISOSWO) | Undecided | GA86 |
| Doug Struyk | Iowa Solar Energy Trade Association | Supporting | GA86 |
| George Appleby | Iowa Solar Energy Trade Association | Supporting | GA86 |
| Jennifer Tyler | Iowa Solar Energy Trade Association | Supporting | GA86 |
| Jim Carney | Iowa Solar Energy Trade Association | Supporting | GA86 |
| Joan Conrad | Iowa Utilities Board | Undecided | GA86 |
| Kerri Johannsen | Iowa Utilities Board | Undecided | GA86 |
| Libby Jacobs | Iowa Utilities Board | Undecided | GA86 |
| Nick Wagner | Iowa Utilities Board | Undecided | GA86 |
| Sheila Tipton | Iowa Utilities Board | Undecided | GA86 |
| Daniel Evans | Iowa Utility Association | Undecided | GA86 |
| Mark Douglas | Iowa Utility Association | Undecided | GA86 |
| Jim Obradovich | Iowa Wind Energy Association | Opposing | GA86 |
| John Davis | MidAmerican Energy Company | Undecided | GA86 |
| John Pederson | Missouri River Energy Services | Undecided | GA86 |
| Laura Book | Missouri River Energy Services | Undecided | GA86 |
| Matt Eide | Missouri River Energy Services | Undecided | GA86 |
| Brian Johnson | NECA - Iowa (NEC) | Undecided | GA86 |
| Craig Walter | NECA - Iowa (NEC) | Undecided | GA86 |
| Brian Johnson | NextEra Energy | Undecided | GA86 |
| Craig Walter | NextEra Energy | Undecided | GA86 |
| Jennifer Easler | Office of Consumer Advocate | Undecided | GA86 |
| Anthony Colosimo | Phoenix Renewable Resources | Undecided | GA86 |