| Terry Harrmann | Alliant Energy Corporation | Undecided | GA86 |
| Susan Walter | Black Hills Energy | Undecided | GA86 |
| Jim Obradovich | Distributed Wind Energy Association of America | Undecided | GA86 |
| Pete McRoberts | Distributed Wind Energy Association of America | Supporting | GA86 |
| Robert Mulqueen | Distributed Wind Energy Association of America | Undecided | GA86 |
| Steve Falck | Environmental Law and Policy Center | Supporting | GA86 |
| Angela Davis | Hy-Vee, Inc. | Undecided | GA86 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | 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 |
| Jessica Hyland | Iowa Association of Municipal Utilities | Undecided | GA86 |
| Julie Smith | Iowa Association of Municipal Utilities | Undecided | GA86 |
| Troy DeJoode | Iowa Association of Municipal Utilities | Undecided | GA86 |
| Jim Obradovich | Iowa Environmental Council | Supporting | GA86 |
| Robert Mulqueen | Iowa Environmental Council | Supporting | GA86 |
| Brad Epperly | Iowa Geothermal Association | Undecided | GA86 |
| Paula Dierenfeld | Iowa Geothermal Association | Undecided | GA86 |
| Scott Sundstrom | Iowa Geothermal Association | Undecided | GA86 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA86 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Undecided | GA86 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Scott Sundstrom | Iowa Society of Certified Public Accountants | 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 |
| Jim Obradovich | Iowa Wind Energy Association | Undecided | GA86 |
| Jim Henter | Phoenix Renewable Resources | Undecided | GA86 |
| Mike Heller | Waste Management, Inc. | Undecided | GA86 |
| Paula Feltner | Waste Management, Inc. | Undecided | GA86 |