| 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 |
| Nick Laning | IBEW Iowa State Conference | Undecided | GA89 |
| Threase Harms | IBEW Iowa State Conference | 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 |
| Brad Epperly | Iowa Business Energy Coalition (IBEC) | Undecided | GA89 |
| Dustin Miller | Iowa Business Energy Coalition (IBEC) | Undecided | GA89 |
| Jessica Mazour | Iowa Chapter of Sierra Club | Supporting | GA89 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Supporting | GA89 |
| Chelsea Hoye | Iowa Environmental Council | Undecided | GA89 |
| Emilee Harris-Puricelli | Iowa Environmental Council | Undecided | GA89 |
| Threase Harms | Iowa Environmental Council | Undecided | GA89 |
| Geri Huser | Iowa Utilities Board | Undecided | GA89 |
| Maison Bleam | Iowa Utilities Board | 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 |
| Dane Schumann | 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 |
| 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 |