| Julie Vande Hoef | Alliant Energy Corporation | Undecided | GA87 |
| Susan Walter | Black Hills Energy | Undecided | GA87 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA87 |
| John Pederson | Central Iowa Power Cooperative (CIPCO) | Supporting | GA87 |
| Matt Eide | Central Iowa Power Cooperative (CIPCO) | Supporting | GA87 |
| Connor Slack | Des Moines Water Works | Undecided | GA87 |
| Dane Schumann | Des Moines Water Works | Undecided | GA87 |
| Emily Hockins | Des Moines Water Works | Undecided | GA87 |
| Threase Harms | Des Moines Water Works | Undecided | GA87 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Supporting | GA87 |
| Dustin Miller | Iowa Association of Electric Cooperatives | Supporting | GA87 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Supporting | GA87 |
| Paige Thorson | Iowa Association of Electric Cooperatives | Supporting | GA87 |
| Paula Dierenfeld | Iowa Association of Electric Cooperatives | Supporting | GA87 |
| Julie Smith | Iowa Association of Municipal Utilities | Supporting | GA87 |
| Brad Epperly | Iowa Business Energy Coalition (IBEC) | Undecided | GA87 |
| Dustin Miller | Iowa Business Energy Coalition (IBEC) | Undecided | GA87 |
| Paige Thorson | Iowa Business Energy Coalition (IBEC) | Undecided | GA87 |
| Paula Dierenfeld | Iowa Business Energy Coalition (IBEC) | Undecided | GA87 |
| Deborah Neustadt | Iowa Chapter of Sierra Club | Undecided | GA87 |
| Neila Seaman | Iowa Chapter of Sierra Club | Undecided | GA87 |
| Brad Epperly | Iowa Communications Alliance | Undecided | GA87 |
| Caitlin Jarzen | Iowa Communications Alliance | Withdrawn | GA87 |
| Caitlin Jarzen | Iowa Communications Alliance | Undecided | GA87 |
| Dave Duncan | Iowa Communications Alliance | Undecided | GA87 |
| Dustin Miller | Iowa Communications Alliance | Undecided | GA87 |
| Paige Thorson | Iowa Communications Alliance | Undecided | GA87 |
| Paula Dierenfeld | Iowa Communications Alliance | Undecided | GA87 |
| Kerri Johannsen | Iowa Environmental Council | Undecided | GA87 |
| Nathaniel Baer | Iowa Environmental Council | Undecided | GA87 |
| Ralph Rosenberg | Iowa Environmental Council | Undecided | GA87 |
| Mike St. Clair | Iowa Institute for Cooperatives | Supporting | GA87 |
| Alan Kemp | Iowa League of Cities | Undecided | GA87 |
| Lindsey McCune | Iowa League of Cities | Undecided | GA87 |
| Robert Palmer | Iowa League of Cities | Undecided | GA87 |
| Louis Vander Streek | Iowa Utilities Board | Undecided | GA87 |
| Mark Douglas | Iowa Utility Association | Undecided | GA87 |
| John Davis | MidAmerican Energy Company | Undecided | GA87 |
| Julie Smith | Nebraska Municipal Power Pool - NMPP Energy | Supporting | GA87 |