| Amy Campbell | AARP Iowa | Undecided | GA88 |
| Brad Anderson | AARP Iowa | Undecided | GA88 |
| Craig Patterson | AARP Iowa | Undecided | GA88 |
| Jeffrey Boeyink | Alliant Energy Corporation | Undecided | GA88 |
| Julie Vande Hoef | Alliant Energy Corporation | Undecided | GA88 |
| Taylor McDonald | Alliant Energy Corporation | Undecided | GA88 |
| Kate Walton | Arconic (Formerly Alcoa) | Undecided | GA88 |
| Matt Eide | Arconic (Formerly Alcoa) | Undecided | GA88 |
| Brandon Geib | Black Hills Energy | Undecided | GA88 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA88 |
| Josh Mandelbaum | Environmental Law and Policy Center | Opposing | GA88 |
| Steve Falck | Environmental Law and Policy Center | Opposing | 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) | Undecided | GA88 |
| Drew Wynes | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | 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 |
| Julie Smith | Iowa Association of Municipal Utilities | Undecided | GA88 |
| Timothy Whipple | Iowa Association of Municipal Utilities | Undecided | GA88 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Opposing | GA88 |
| Lana Shope | Iowa Community Action Association | Opposing | GA88 |
| Brian Carter | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Gary Nims | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Rita Carter | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Sheila Corsbie | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Jennifer Terry | Iowa Environmental Council | Opposing | GA88 |
| Jordan Oster | Iowa Environmental Council | Opposing | GA88 |
| Kerri Johannsen | Iowa Environmental Council | Opposing | GA88 |
| Michael Schmidt | Iowa Environmental Council | Opposing | GA88 |
| Lana Shope | Iowa Head Start Association | Opposing | GA88 |
| Katie Hall | Iowa Institute for Cooperatives | Undecided | GA88 |
| Anna Hyatt | Iowa Utilities Board | Undecided | GA88 |
| Brian Johnson | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA88 |
| John Davis | MidAmerican Energy Company | Undecided | GA88 |
| Kate Walton | Missouri River Energy Services | Undecided | GA88 |
| Matt Eide | Missouri River Energy Services | Undecided | GA88 |
| Brian Johnson | NECA - Iowa (NEC) | Undecided | GA88 |
| Amber Markham | The Nature Conservancy | Opposing | GA88 |
| Doug Struyk | The Nature Conservancy | Opposing | GA88 |
| Jennifer Dorman | The Nature Conservancy | Opposing | GA88 |
| Jim Carney | The Nature Conservancy | Opposing | GA88 |