| Terry Harrmann | Alliant Energy Corporation | Undecided | GA86 |
| Thomas Jochum | Central Iowa Building Construction Trades Council | Opposing | GA86 |
| Beth Conley | Clean Line Energy | Opposing | GA86 |
| Casey Ficek | Clean Line Energy | Opposing | GA86 |
| Casey Ficek | Clean Line Energy | Undecided | GA86 |
| Robert Weiser | Clean Line Energy | Opposing | GA86 |
| Robert Weiser | Clean Line Energy | Undecided | GA86 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Opposing | GA86 |
| Dane Schumann | IBEW Iowa State Conference | Opposing | GA86 |
| Emily Hockins | IBEW Iowa State Conference | Opposing | GA86 |
| Threase Harms | IBEW Iowa State Conference | Opposing | GA86 |
| Mark Joyce | ITC Midwest | Undecided | GA86 |
| Todd Schulz | ITC Midwest | Undecided | GA86 |
| James Piazza, Jr. | International Union of Operating Engineers-Local 234 | Opposing | 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 |
| Angela Davis | Iowa Farmland, LLC | Undecided | GA86 |
| Bill Wimmer | Iowa Farmland, LLC | Undecided | GA86 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Opposing | GA86 |
| Mike St. Clair | Iowa State Building and Construction Trades Council | Opposing | GA86 |
| tom fey | Iowa State Building and Construction Trades Council | Opposing | GA86 |
| Louis Vander Streek | Iowa Utilities Board | Undecided | GA86 |
| Daniel Evans | Iowa Utility Association | Undecided | GA86 |
| Erich Schmidt | Laborers International Union of North America | Opposing | GA86 |
| John Davis | MidAmerican Energy Company | Undecided | GA86 |
| John Pederson | Missouri River Energy Services | Undecided | GA86 |
| Kelly Nuckolls | Missouri River Energy Services | Undecided | GA86 |
| Matt Eide | Missouri River Energy Services | Undecided | GA86 |
| Julie Smith | Nebraska Municipal Power Pool - NMPP Energy | Undecided | GA86 |
| Doug Struyk | The Preservation of Rural Iowa Alliance | Undecided | GA86 |
| George Appleby | The Preservation of Rural Iowa Alliance | Undecided | GA86 |
| Jennifer Tyler | The Preservation of Rural Iowa Alliance | Undecided | GA86 |
| Jim Carney | The Preservation of Rural Iowa Alliance | Undecided | GA86 |
| Shannon Henson | The Preservation of Rural Iowa Alliance | Undecided | GA86 |
| Mike St. Clair | Wind on the Wires | Opposing | GA86 |
| tom fey | Wind on the Wires | Opposing | GA86 |