| Katie Rock | BlueGreen Alliance | Supporting | GA91 |
| Kevin Condon | Central Iowa Power Cooperative (CIPCO) | Undecided | GA91 |
| Josh Mandelbaum | Environmental Law and Policy Center | Supporting | GA91 |
| Matt Ohloff | Environmental Law and Policy Center | Supporting | GA91 |
| Jake Swanson | Great Plains Institute | Supporting | GA91 |
| Nick Laning | IBEW Iowa State Conference | Supporting | GA91 |
| Threase Harms | IBEW Iowa State Conference | Supporting | GA91 |
| Brian Selinger | ITC Midwest | Supporting | GA91 |
| Mark Joyce | ITC Midwest | Undecided | GA91 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Supporting | GA91 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA91 |
| Casey Nickel | Iowa Association of Electric Cooperatives | Supporting | GA91 |
| Casey Nickel | Iowa Association of Electric Cooperatives | Undecided | GA91 |
| Dustin Miller | Iowa Association of Electric Cooperatives | Supporting | GA91 |
| Dustin Miller | Iowa Association of Electric Cooperatives | Undecided | GA91 |
| Ethan Hohenadel | Iowa Association of Electric Cooperatives | Supporting | GA91 |
| Ethan Hohenadel | Iowa Association of Electric Cooperatives | Undecided | GA91 |
| Haley Moon | Iowa Association of Electric Cooperatives | Supporting | GA91 |
| Haley Moon | Iowa Association of Electric Cooperatives | Undecided | GA91 |
| Bob Rafferty | Iowa Business for Clean Energy | Supporting | GA91 |
| Jake Swanson | Iowa Cattlemen's Association | Supporting | GA91 |
| Kelli Wicks | Iowa Cattlemen's Association | Supporting | GA91 |
| Briana Kouma | Iowa Chapter of Sierra Club | Undecided | GA91 |
| Jessica Mazour | Iowa Chapter of Sierra Club | Undecided | GA91 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA91 |
| Deanna Triplett | Iowa Economic Development Authority | Undecided | GA91 |
| Catherine Pollard | Iowa Environmental Council | Supporting | GA91 |
| Cody Smith | Iowa Environmental Council | Supporting | GA91 |
| Colleen Fowle | Iowa Environmental Council | Supporting | GA91 |
| Jordan Oster | Iowa Environmental Council | Supporting | GA91 |
| Kerri Johannsen | Iowa Environmental Council | Supporting | GA91 |
| Michael Schmidt | Iowa Environmental Council | Supporting | GA91 |
| Sarah Green | Iowa Environmental Council | Supporting | GA91 |
| Threase Harms | Iowa Environmental Council | Supporting | GA91 |
| Stephanie Weisenbach | Iowa Utilities Commission | Undecided | GA91 |
| Doug Struyk | LS Power Grid Midcontinent, LLC | Supporting | GA91 |
| Jennifer Dorman | LS Power Grid Midcontinent, LLC | Supporting | GA91 |
| Jim Carney | LS Power Grid Midcontinent, LLC | Supporting | GA91 |
| Dane Schumann | Mid-American Carpenters Regional Council | Undecided | GA91 |
| David Adelman | MidAmerican Energy Company | Supporting | GA91 |
| Frank Chiodo | MidAmerican Energy Company | Supporting | GA91 |
| Matt Hinch | MidAmerican Energy Company | Supporting | GA91 |
| Onnalee Gettler | MidAmerican Energy Company | Supporting | GA91 |
| Paige Thorson | MidAmerican Energy Company | Supporting | GA91 |
| Sara Allen | MidAmerican Energy Company | Supporting | GA91 |
| Scott Newhard | MidAmerican Energy Company | Supporting | GA91 |
| Ben Gentz | Missouri River Energy Services | Undecided | GA91 |
| Clair Lewis | Missouri River Energy Services | Undecided | GA91 |
| Kate Walton | Missouri River Energy Services | Undecided | GA91 |
| Matt Eide | Missouri River Energy Services | Undecided | GA91 |
| Doug Struyk | Southwest Transmission, LLC | Supporting | GA91 |
| Jennifer Dorman | Southwest Transmission, LLC | Supporting | GA91 |
| Jim Carney | Southwest Transmission, LLC | Supporting | GA91 |
| Doug Struyk | The Nature Conservancy | Supporting | GA91 |
| Jennifer Dorman | The Nature Conservancy | Supporting | GA91 |
| Jim Carney | The Nature Conservancy | Supporting | GA91 |
| Michael Triplett | Union Pacific Railroad | Undecided | GA91 |