| Ted Stopulos | Alliant Energy Corporation | Supporting | GA90 |
| Kate Walton | Arconic (Formerly Alcoa) | Supporting | GA90 |
| Madeleine Bradley | Arconic (Formerly Alcoa) | Supporting | GA90 |
| Matt Eide | Arconic (Formerly Alcoa) | Supporting | GA90 |
| Tony Phillips | Black Hills Energy | Supporting | GA90 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Supporting | GA90 |
| Bob Rafferty | Future Energy Iowa | Opposing | GA90 |
| Nick Laning | IBEW Iowa State Conference | Undecided | GA90 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA90 |
| Mark Joyce | ITC Midwest | Supporting | GA90 |
| Todd Schulz | ITC Midwest | Supporting | GA90 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Supporting | GA90 |
| John Davis | Iowa Association of Business and Industry (ABI) | Supporting | GA90 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA90 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA90 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Undecided | GA90 |
| John Hirl | Iowa Association of Municipal Utilities | Supporting | GA90 |
| Marc Beltrame | Iowa Association of Municipal Utilities | Supporting | GA90 |
| Brad Epperly | Iowa Business Energy Coalition (IBEC) | Supporting | GA90 |
| Dustin Miller | Iowa Business Energy Coalition (IBEC) | Supporting | GA90 |
| Brad Epperly | Iowa Chamber Alliance | Supporting | GA90 |
| Dustin Miller | Iowa Chamber Alliance | Supporting | GA90 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA90 |
| Nick Boeyink | Iowa Conservative Energy Forum | Undecided | GA90 |
| Matt McKinney | Iowa Economic Alliance | Undecided | GA90 |
| RG Schwarm | Iowa Economic Alliance | Undecided | GA90 |
| Deanna Triplett | Iowa Economic Development Authority | Undecided | GA90 |
| Chelsea Hoye | Iowa Environmental Council | Undecided | GA90 |
| Threase Harms | Iowa Environmental Council | Undecided | GA90 |
| Geri Huser | Iowa Utilities Commission | Undecided | GA90 |
| Louis Vander Streek | Iowa Utilities Commission | Undecided | GA90 |
| Maison Bleam | Iowa Utilities Commission | Undecided | GA90 |
| Chaz Allen | Iowa Utility Association | Supporting | GA90 |
| John Hall | Marshalltown Area Chamber of Commerce | Supporting | GA90 |
| David Adelman | MidAmerican Energy Company | Supporting | GA90 |
| Frank Chiodo | MidAmerican Energy Company | Supporting | GA90 |
| Lillie Brady | MidAmerican Energy Company | Supporting | GA90 |
| Matt Hinch | MidAmerican Energy Company | Supporting | GA90 |
| Onnalee Gettler | MidAmerican Energy Company | Supporting | GA90 |
| Sara Allen | MidAmerican Energy Company | Supporting | GA90 |
| Scott Newhard | MidAmerican Energy Company | Supporting | GA90 |
| Ben Gentz | Missouri River Energy Services | Undecided | GA90 |
| Kate Walton | Missouri River Energy Services | Undecided | GA90 |
| Madeleine Bradley | Missouri River Energy Services | Undecided | GA90 |
| Matt Eide | Missouri River Energy Services | Undecided | GA90 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Supporting | GA90 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Supporting | GA90 |