| Julie Vande Hoef | Alliant Energy Corporation | Undecided | GA88 |
| Drew Klein | Americans For Prosperity | Opposing | GA88 |
| Tyler Raygor | Americans For Prosperity | Opposing | GA88 |
| Katie Rock | Center for Rural Affairs | Supporting | GA88 |
| Cyndi Pederson | Central Iowa Power Cooperative (CIPCO) | Undecided | GA88 |
| John Pederson | Central Iowa Power Cooperative (CIPCO) | Undecided | GA88 |
| Josh Mandelbaum | Environmental Law and Policy Center | Supporting | GA88 |
| Steve Falck | Environmental Law and Policy Center | Supporting | GA88 |
| Dane Schumann | IBEW Iowa State Conference | Undecided | GA88 |
| Maddie Wilcox | IBEW Iowa State Conference | Undecided | GA88 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA88 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Opposing | GA88 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Opposing | GA88 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Opposing | GA88 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA88 |
| Dustin Miller | Iowa Association of Electric Cooperatives | Undecided | GA88 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Undecided | GA88 |
| Brad Epperly | Iowa Business Energy Coalition (IBEC) | Undecided | GA88 |
| Dustin Miller | Iowa Business Energy Coalition (IBEC) | Undecided | GA88 |
| Katie Graham | Iowa Business Energy Coalition (IBEC) | Undecided | GA88 |
| Paula Dierenfeld | Iowa Business Energy Coalition (IBEC) | Undecided | GA88 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA88 |
| Brian Carter | Iowa Conference of United Methodist Church | Supporting | GA88 |
| Gary Nims | Iowa Conference of United Methodist Church | Supporting | GA88 |
| Rita Carter | Iowa Conference of United Methodist Church | Supporting | GA88 |
| Sheila Corsbie | Iowa Conference of United Methodist Church | Supporting | GA88 |
| William Steward | Iowa Conference of United Methodist Church | Supporting | GA88 |
| Jennifer Terry | Iowa Environmental Council | Supporting | GA88 |
| Jordan Oster | Iowa Environmental Council | Supporting | GA88 |
| Kerri Johannsen | Iowa Environmental Council | Supporting | GA88 |
| Brad Epperly | Iowa Geothermal Association | Undecided | GA88 |
| Dustin Miller | Iowa Geothermal Association | Undecided | GA88 |
| Katie Graham | Iowa Geothermal Association | Undecided | GA88 |
| Paula Dierenfeld | Iowa Geothermal Association | Undecided | GA88 |
| Alan Kemp | Iowa League of Cities | Undecided | GA88 |
| Daniel Stalder | Iowa League of Cities | Undecided | GA88 |
| Robert Palmer | Iowa League of Cities | Undecided | GA88 |
| Anna Hyatt | Iowa Utilities Board | Undecided | GA88 |
| Brian Johnson | NextEra Energy | Undecided | GA88 |
| Craig Walter | NextEra Energy | Undecided | GA88 |