| Julie Vande Hoef | Alliant Energy Corporation | Undecided | GA87 |
| Drew Klein | Americans For Prosperity | Opposing | GA87 |
| Susan Walter | Black Hills Energy | Undecided | GA87 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA87 |
| Jay Iverson | Home Builders Association of Iowa | Supporting | GA87 |
| Angela Davis | Hy-Vee, Inc. | Undecided | GA87 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA87 |
| Connor Slack | IBEW Iowa State Conference | Undecided | GA87 |
| Dane Schumann | IBEW Iowa State Conference | Undecided | GA87 |
| Emily Hockins | IBEW Iowa State Conference | Undecided | GA87 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA87 |
| Brian Carter | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Gary Nims | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Marty Ryan | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Rita Carter | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Sheila Corsbie | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Stephanie Fawkes-Lee | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Walden Paige | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| William Steward | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Supporting | GA87 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Undecided | GA87 |
| Paige Thorson | Iowa Association of Electric Cooperatives | Undecided | GA87 |
| Paula Dierenfeld | Iowa Association of Electric Cooperatives | Undecided | GA87 |
| Deborah Neustadt | Iowa Chapter of Sierra Club | Undecided | GA87 |
| Kerri Johannsen | Iowa Environmental Council | Undecided | GA87 |
| Nathaniel Baer | Iowa Environmental Council | Undecided | GA87 |
| Ralph Rosenberg | Iowa Environmental Council | Undecided | GA87 |
| Paige Thorson | Iowa Geothermal Association | Supporting | GA87 |
| Paula Dierenfeld | Iowa Geothermal Association | Supporting | GA87 |
| Susan Guy | Iowa Interfaith Power & Light | Undecided | GA87 |
| Brad Epperly | Iowa Propane Gas Association | Opposing | GA87 |
| Dustin Miller | Iowa Propane Gas Association | Opposing | GA87 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Paige Thorson | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Louis Vander Streek | Iowa Utilities Board | Undecided | GA87 |
| Paige Thorson | Iowa Water Well Association | Supporting | GA87 |
| Paula Dierenfeld | Iowa Water Well Association | Supporting | GA87 |
| Brian Johnson | Mechanical Contractors Association of Iowa (MCAI) | Supporting | GA87 |
| Brian Johnson | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA87 |
| Craig Walter | Mechanical Contractors Association of Iowa (MCAI) | Supporting | GA87 |