| Terry Harrmann | Alliant Energy Corporation | Supporting | GA86 |
| Jim Obradovich | Distributed Wind Energy Association of America | Undecided | GA86 |
| Robert Mulqueen | Distributed Wind Energy Association of America | Undecided | GA86 |
| Josh Mandelbaum | Environmental Law and Policy Center | Opposing | GA86 |
| Steve Falck | Environmental Law and Policy Center | Undecided | GA86 |
| Jake Oeth | IBEW Iowa State Conference | Supporting | GA86 |
| Kent Hartwig | IBEW Iowa State Conference | Supporting | GA86 |
| Threase Harms | IBEW Iowa State Conference | Supporting | GA86 |
| Mark Joyce | ITC Midwest | 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 | Supporting | GA86 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA86 |
| Paula Dierenfeld | Iowa Association of Electric Cooperatives | Supporting | GA86 |
| Paula Dierenfeld | Iowa Association of Electric Cooperatives | Undecided | GA86 |
| Scott Sundstrom | Iowa Association of Electric Cooperatives | Supporting | GA86 |
| Scott Sundstrom | Iowa Association of Electric Cooperatives | Undecided | GA86 |
| Tim Coonan | Iowa Association of Electric Cooperatives | Supporting | GA86 |
| Tim Coonan | Iowa Association of Electric Cooperatives | Undecided | GA86 |
| Jessica Hyland | Iowa Association of Municipal Utilities | Supporting | GA86 |
| Jessica Hyland | Iowa Association of Municipal Utilities | Undecided | GA86 |
| Julie Smith | Iowa Association of Municipal Utilities | Supporting | GA86 |
| Julie Smith | Iowa Association of Municipal Utilities | Undecided | GA86 |
| Troy DeJoode | Iowa Association of Municipal Utilities | Supporting | GA86 |
| Troy DeJoode | Iowa Association of Municipal Utilities | Undecided | GA86 |
| Bill Peard | Iowa Cable and Telecommunications Association | Undecided | GA86 |
| Neila Seaman | Iowa Chapter of Sierra Club | Opposing | GA86 |
| Jim Obradovich | Iowa Environmental Council | Undecided | 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 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Supporting | GA86 |
| John Cacciatore | Iowa Professional Fire Fighters | Supporting | GA86 |
| John Cacciatore | Iowa Professional Fire Fighters | Undecided | GA86 |
| Jon Murphy | Iowa Professional Fire Fighters | Supporting | GA86 |
| Jon Murphy | Iowa Professional Fire Fighters | Undecided | GA86 |
| Lon Anderson | Iowa Professional Fire Fighters | Supporting | GA86 |
| Lon Anderson | Iowa Professional Fire Fighters | Withdrawn | GA86 |
| Lon Anderson | Iowa Professional Fire Fighters | Undecided | GA86 |
| Doug Struyk | Iowa Solar Energy Trade Association | Opposing | GA86 |
| George Appleby | Iowa Solar Energy Trade Association | Opposing | GA86 |
| Jennifer Tyler | Iowa Solar Energy Trade Association | Opposing | GA86 |
| Jim Carney | Iowa Solar Energy Trade Association | Opposing | GA86 |
| tom fey | Iowa State Building and Construction Trades Council | 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 | Supporting | GA86 |
| Mark Douglas | Iowa Utility Association | Supporting | GA86 |
| Jim Obradovich | Iowa Wind Energy Association | Undecided | GA86 |
| Doug Struyk | Mediacom Communications Corporation | Undecided | GA86 |
| George Appleby | Mediacom Communications Corporation | Undecided | GA86 |
| Jennifer Tyler | Mediacom Communications Corporation | Undecided | GA86 |
| Jim Carney | Mediacom Communications Corporation | Undecided | GA86 |
| John Davis | MidAmerican Energy Company | Supporting | GA86 |
| Jennifer Easler | Office of Consumer Advocate | Undecided | GA86 |