| Julie Vande Hoef | Alliant Energy Corporation | Undecided | GA89 |
| Ted Stopulos | Alliant Energy Corporation | Undecided | GA89 |
| Jim Obradovich | Association of Regional Water Organizations | Undecided | GA89 |
| Robert Mulqueen | Association of Regional Water Organizations | Undecided | GA89 |
| Tony Phillips | Black Hills Energy | Undecided | GA89 |
| MaryNelle Trefz | Common Good Iowa | Opposing | GA89 |
| Mike Owen | Common Good Iowa | Opposing | GA89 |
| Sheila Hansen | Common Good Iowa | Opposing | GA89 |
| Nick Laning | Des Moines Water Works | Undecided | GA89 |
| Threase Harms | Des Moines Water Works | Undecided | GA89 |
| Jake Ketzner | Eastlake Partnership | Supporting | GA89 |
| Michael Triplett | Greater Iowa Apartment Association | Supporting | GA89 |
| David Adelman | Hubbell Realty Company | Supporting | GA89 |
| David Adelman | Hubbell Realty Company | Undecided | GA89 |
| Frank Chiodo | Hubbell Realty Company | Supporting | GA89 |
| Frank Chiodo | Hubbell Realty Company | Undecided | GA89 |
| Matt Hinch | Hubbell Realty Company | Supporting | GA89 |
| Matt Hinch | Hubbell Realty Company | Undecided | GA89 |
| Sara Allen | Hubbell Realty Company | Supporting | GA89 |
| Sara Allen | Hubbell Realty Company | Undecided | GA89 |
| Bob Rafferty | Iowa American Water Co. | 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 | Opposing | GA89 |
| Alex Cutchey | Iowa Association of Municipal Utilities | Undecided | GA89 |
| Brad Epperly | Iowa Association of Municipal Utilities | Opposing | GA89 |
| Dustin Miller | Iowa Association of Municipal Utilities | Opposing | GA89 |
| Jennifer Kingland | Iowa Association of Realtors | Undecided | GA89 |
| Julie Smith | Iowa Association of Water Agencies | Opposing | GA89 |
| Kate Walton | Iowa Community Action Association | Opposing | GA89 |
| Matt Eide | Iowa Community Action Association | Opposing | GA89 |
| Jordan Oster | Iowa Environmental Council | Opposing | GA89 |
| Kerri Johannsen | Iowa Environmental Council | Opposing | GA89 |
| Michael Schmidt | Iowa Environmental Council | Opposing | GA89 |
| Andrew Lietzow | Iowa Landlord Association | Supporting | GA89 |
| Joe Kelly | Iowa Manufactured Housing Association | Undecided | GA89 |
| Tim Coonan | Iowa Manufactured Housing Association | Undecided | GA89 |
| Andrew Lietzow | Iowa Real Estate Investors Association | Supporting | GA89 |
| Emily Piper | Iowa Rural Water Association | Opposing | GA89 |
| Maison Bleam | Iowa Utilities Board | Undecided | GA89 |
| Jill Altringer | Landlords of Iowa | Undecided | GA89 |
| Onnalee Gettler | MidAmerican Energy Company | Undecided | GA89 |
| Kate Walton | Missouri River Energy Services | Undecided | GA89 |
| Kersten Johnson | Missouri River Energy Services | Undecided | GA89 |
| Matt Eide | Missouri River Energy Services | Undecided | GA89 |