| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| Nick Laning | IBEW Iowa State Conference | Opposing | GA89 |
| Threase Harms | IBEW Iowa State Conference | Opposing | GA89 |
| Mark Joyce | ITC Midwest | Opposing | GA89 |
| Todd Schulz | ITC Midwest | Opposing | 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 | Supporting | GA89 |
| Brad Epperly | Iowa Association of Municipal Utilities | Supporting | GA89 |
| Dustin Miller | Iowa Association of Municipal Utilities | Supporting | GA89 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA89 |
| Jordan Oster | Iowa Environmental Council | Undecided | GA89 |
| Kerri Johannsen | Iowa Environmental Council | Undecided | GA89 |
| Michael Schmidt | Iowa Environmental Council | Undecided | GA89 |
| Maison Bleam | Iowa Utilities Board | Undecided | GA89 |
| Doug Struyk | LS Power Midcontinent, LLC | Opposing | GA89 |
| Jennifer Dorman | LS Power Midcontinent, LLC | Opposing | GA89 |
| Jim Carney | LS Power Midcontinent, LLC | Opposing | GA89 |
| Onnalee Gettler | MidAmerican Energy Company | Opposing | GA89 |
| Doug Struyk | Resale Power Group of Iowa | Undecided | GA89 |
| Jennifer Dorman | Resale Power Group of Iowa | Undecided | GA89 |
| Jim Carney | Resale Power Group of Iowa | Undecided | GA89 |