| Jeffrey Boeyink | Alliant Energy Corporation | Undecided | GA89 |
| Taylor McDonald | Alliant Energy Corporation | Undecided | GA89 |
| Ted Stopulos | Alliant Energy Corporation | Undecided | GA89 |
| Christopher Riley | Archer Daniels Midland Company | Undecided | GA89 |
| Scott Newhard | Associated General Contractors of Iowa | Undecided | GA89 |
| Tony Phillips | Black Hills Energy | Undecided | GA89 |
| Emilee Harris-Puricelli | Des Moines Water Works | Undecided | GA89 |
| Nick Laning | Des Moines Water Works | Undecided | GA89 |
| Threase Harms | Des Moines Water Works | Undecided | GA89 |
| Emma Schmit | Food & Water Watch | Supporting | GA89 |
| John Aspray | Food & Water Watch | Supporting | GA89 |
| Jacob Temple | Honey Badger Humanitarian Assocation | Supporting | GA89 |
| Nick Laning | IBEW Iowa State Conference | Undecided | GA89 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA89 |
| Bob Rafferty | Iowa American Water Co. | Undecided | GA89 |
| Nick Laning | Iowa American Water Co. | Undecided | GA89 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| John Davis | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Steffi Lee | Iowa Association of Business and Industry (ABI) | Undecided | GA89 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA89 |
| Dustin Miller | Iowa Association of Electric Cooperatives | Undecided | GA89 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Undecided | GA89 |
| Alex Cutchey | Iowa Association of Municipal Utilities | Undecided | GA89 |
| Bill Peard | Iowa Cable and Telecommunications Association | Undecided | GA89 |
| Jessica Mazour | Iowa Chapter of Sierra Club | Supporting | GA89 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Supporting | GA89 |
| Matthew Covington | Iowa Citizens for Community Improvement Action Fund | Supporting | GA89 |
| Chelsea Hoye | Iowa Environmental Council | Undecided | GA89 |
| Emilee Harris-Puricelli | Iowa Environmental Council | Undecided | GA89 |
| Threase Harms | Iowa Environmental Council | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA89 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA89 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA89 |
| William Peterson | Iowa State Association of Counties | Undecided | GA89 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA89 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA89 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA89 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA89 |
| Michael Gronstal | Iowa State Building and Construction Trades | Opposing | GA89 |
| Geri Huser | Iowa Utilities Board | Undecided | GA89 |
| Louis Vander Streek | Iowa Utilities Board | Undecided | GA89 |
| Maison Bleam | Iowa Utilities Board | Undecided | GA89 |
| Michael Gronstal | Iowa Utility Association | Undecided | GA89 |
| MIke Delaney | Izaak Walton League - Iowa Division | Undecided | GA89 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA89 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA89 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA89 |
| Andy Conlin | Lumen | Undecided | GA89 |
| Jake Highfill | Lumen | Undecided | GA89 |
| Christopher Rants | Magellan Midstream Partners | Opposing | GA89 |
| John Cacciatore | Magellan Midstream Partners | Opposing | GA89 |
| Doug Struyk | Mediacom Communications Corporation | Undecided | GA89 |
| Jennifer Dorman | Mediacom Communications Corporation | Undecided | GA89 |
| Jim Carney | Mediacom Communications Corporation | Undecided | GA89 |
| David Adelman | MidAmerican Energy Company | Undecided | GA89 |
| Frank Chiodo | MidAmerican Energy Company | Undecided | GA89 |
| Lillie Brady | MidAmerican Energy Company | Undecided | GA89 |
| Matt Hinch | MidAmerican Energy Company | Undecided | GA89 |
| Onnalee Gettler | MidAmerican Energy Company | Undecided | GA89 |
| Sara Allen | MidAmerican Energy Company | Undecided | GA89 |
| Kate Walton | Missouri River Energy Services | Undecided | GA89 |
| Madeleine Bradley | Missouri River Energy Services | Undecided | GA89 |
| Matt Eide | Missouri River Energy Services | Undecided | GA89 |
| Elizabeth Burns-Thompson | Navigator Heartland Greenway LLC | Opposing | GA89 |
| Mark Joyce | Navigator Heartland Greenway LLC | Opposing | GA89 |
| Dane Schumann | North Central States Regional Council of Carpenters | Undecided | GA89 |
| Felicia Hilton | North Central States Regional Council of Carpenters | Undecided | GA89 |
| Kate Walton | POET, LLC | Undecided | GA89 |
| Madeleine Bradley | POET, LLC | Undecided | GA89 |
| Matt Eide | POET, LLC | Undecided | GA89 |
| Amy Campbell | Polk County - Board of Supervisors | Undecided | GA89 |
| Craig Patterson | Polk County - Board of Supervisors | Undecided | GA89 |
| BRITTANY LUMLEY | Summit Carbon Solutions | Opposing | GA89 |
| Jake Ketzner | Summit Carbon Solutions | Opposing | GA89 |
| Jeffrey Boeyink | Summit Carbon Solutions | Opposing | GA89 |
| Taylor McDonald | Summit Carbon Solutions | Opposing | GA89 |
| David Adelman | Wolf Carbon Solutions | Undecided | GA89 |
| Frank Chiodo | Wolf Carbon Solutions | Undecided | GA89 |
| Lillie Brady | Wolf Carbon Solutions | Undecided | GA89 |
| Matt Hinch | Wolf Carbon Solutions | Undecided | GA89 |
| Sara Allen | Wolf Carbon Solutions | Undecided | GA89 |