| Julie Vande Hoef | Alliant Energy Corporation | Undecided | GA87 |
| John Pederson | Central Iowa Power Cooperative (CIPCO) | Supporting | GA87 |
| Matt Eide | Central Iowa Power Cooperative (CIPCO) | Supporting | GA87 |
| Josh Mandelbaum | Environmental Law and Policy Center | Opposing | GA87 |
| Steve Falck | Environmental Law and Policy Center | Opposing | 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 |
| Timothy Whipple | 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 |
| Kerri Johannsen | Iowa Environmental Council | Opposing | GA87 |
| Nathaniel Baer | Iowa Environmental Council | Opposing | GA87 |
| Ralph Rosenberg | Iowa Environmental Council | Opposing | GA87 |
| Matt Pruss | Iowa Institute for Cooperatives | Supporting | GA87 |
| Mike St. Clair | Iowa Institute for Cooperatives | Supporting | GA87 |
| Susan Guy | Iowa Interfaith Power & Light | Opposing | 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 |
| Matt Eide | Missouri River Energy Services | Supporting | GA87 |
| Julie Smith | Nebraska Municipal Power Pool - NMPP Energy | Supporting | GA87 |