| Terry Harrmann | Alliant Energy Corporation | Undecided | GA85 |
| Susan Walter | Black Hills Energy | Undecided | GA85 |
| Josh Mandelbaum | Environmental Law and Policy Center | Supporting | GA85 |
| Steve Falck | Environmental Law and Policy Center | Supporting | GA85 |
| Angela Davis | Home Builders Association of Iowa | Undecided | GA85 |
| Bill Wimmer | Home Builders Association of Iowa | Undecided | GA85 |
| Brian Carter | Iowa Annual Conference of United Methodist Church | Supporting | GA85 |
| Marty Ryan | Iowa Annual Conference of United Methodist Church | Supporting | GA85 |
| Rita Carter | Iowa Annual Conference of United Methodist Church | Supporting | GA85 |
| Walden Paige | Iowa Annual Conference of United Methodist Church | Supporting | GA85 |
| William Steward | Iowa Annual Conference of United Methodist Church | Supporting | GA85 |
| Kevin Condon | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA85 |
| Scott Sundstrom | Iowa Association of Electric Cooperatives | Undecided | GA85 |
| Tim Coonan | Iowa Association of Electric Cooperatives | Undecided | GA85 |
| Jessica Hyland | Iowa Association of Municipal Utilities | Undecided | GA85 |
| Julie Smith | Iowa Association of Municipal Utilities | Undecided | GA85 |
| Troy DeJoode | Iowa Association of Municipal Utilities | Undecided | GA85 |
| Robert Hartwig | Iowa Bankers Association | Undecided | GA85 |
| Sharon Presnall | Iowa Bankers Association | Undecided | GA85 |
| Nathaniel Baer | Iowa Environmental Council | Supporting | GA85 |
| Ralph Rosenberg | Iowa Environmental Council | Supporting | GA85 |
| Courtney Willits | Iowa Farmers Union | Undecided | GA85 |
| Kent Hartwig | Iowa Farmers Union | Undecided | GA85 |
| Threase Harms | Iowa Farmers Union | Undecided | GA85 |
| Brad Epperly | Iowa Geothermal Association | Undecided | GA85 |
| Paula Dierenfeld | Iowa Geothermal Association | Undecided | GA85 |
| Scott Sundstrom | Iowa Geothermal Association | Undecided | GA85 |
| Susan Guy | Iowa Interfaith Power & Light | Supporting | GA85 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA85 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Undecided | GA85 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA85 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA85 |
| Scott Sundstrom | Iowa Society of Certified Public Accountants | Undecided | GA85 |
| William Heckroth | Iowa State Association of County Supervisors | Undecided | GA85 |
| Joan Conrad | Iowa Utilities Board | Undecided | GA85 |
| Kerri Johannsen | Iowa Utilities Board | Undecided | GA85 |
| Libby Jacobs | Iowa Utilities Board | Undecided | GA85 |
| Daniel Evans | Iowa Utility Association | Undecided | GA85 |
| John Davis | MidAmerican Energy Company | Undecided | GA85 |
| Brian Johnson | NECA - Iowa (NEC) | Undecided | GA85 |
| Brian Johnson | NextEra Energy | Undecided | GA85 |