| Terry Harrmann | Alliant Energy Corporation | Undecided | GA85 |
| Bruce Rastetter | Board of Regents, State of Iowa | Undecided | GA85 |
| Craig Lang | Board of Regents, State of Iowa | Undecided | GA85 |
| Jeneane Beck | Board of Regents, State of Iowa | Undecided | GA85 |
| Joe Murphy | Board of Regents, State of Iowa | Undecided | GA85 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA85 |
| Robert Donley | Board of Regents, State of Iowa | Undecided | GA85 |
| Josh Mandelbaum | Environmental Law and Policy Center | Supporting | GA85 |
| Josh Mandelbaum | Environmental Law and Policy Center | Undecided | GA85 |
| Steve Falck | Environmental Law and Policy Center | Supporting | GA85 |
| Mike Carberry | Friends of the Earth | Supporting | GA85 |
| Mike Carberry | Green State Solutions | Supporting | GA85 |
| Mike Carberry | Green State Solutions | Undecided | GA85 |
| Sonia Ashe | IA. Public Interest Research Group | 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 |
| David Palmer | Iowa Association of Community College Trustees (IACCT) | Undecided | GA85 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA85 |
| Paula Dierenfeld | 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 |
| Mike Heller | Iowa Association of Magistrate Judges | Undecided | GA85 |
| Paula Feltner | Iowa Association of Magistrate Judges | Undecided | GA85 |
| Jessica Hyland | Iowa Association of Municipal Utilities | Undecided | GA85 |
| Julie Smith | Iowa Association of Municipal Utilities | Undecided | GA85 |
| Robert Haug | Iowa Association of Municipal Utilities | Undecided | GA85 |
| Neila Seaman | Iowa Chapter of Sierra Club | Undecided | GA85 |
| Jim Obradovich | Iowa Environmental Council | Supporting | GA85 |
| Robert Mulqueen | Iowa Environmental Council | Supporting | GA85 |
| Dane Schumann | Iowa Farmers Union | Undecided | GA85 |
| Kent Hartwig | Iowa Farmers Union | Undecided | GA85 |
| Threase Harms | Iowa Farmers Union | Undecided | GA85 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA85 |
| Paula Dierenfeld | Iowa Grocery Industry Association | Undecided | GA85 |
| Scott Sundstrom | Iowa Grocery Industry Association | Undecided | GA85 |
| Susan Guy | Iowa Interfaith Power & Light | Supporting | GA85 |
| Laverne Schroeder | Iowa Nebraska Farm Equipment Dealers Association | Undecided | GA85 |
| Will Rogers | Iowa Nebraska Farm Equipment Dealers Association | 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 |
| Joan Conrad | Iowa Utilities Board | Undecided | GA85 |
| Kerri Johannsen | Iowa Utilities Board | Undecided | GA85 |
| Mark Douglas | Iowa Utility Association | Undecided | GA85 |
| Cindy Schulte | Iowa Valley Community College District | Undecided | GA85 |
| Jim Obradovich | Iowa Wind Energy Association | Supporting | GA85 |
| Jim Obradovich | Manly Logistics Park | Supporting | GA85 |
| John Davis | MidAmerican Energy Company | Undecided | GA85 |
| Brian Johnson | NextEra Energy | Undecided | GA85 |
| Jamie Cashman | NextEra Energy | Undecided | GA85 |
| John Pederson | Phoenix Recycling | Supporting | GA85 |
| Matt Eide | Phoenix Recycling | Supporting | GA85 |