| Kimberly Haus | A-One Geothermal, Inc | Supporting | GA87 |
| Drew Klein | Americans For Prosperity | Undecided | GA87 |
| Susan Walter | Black Hills Energy | Undecided | GA87 |
| Bruce Rastetter | Board of Regents, State of Iowa | Undecided | GA87 |
| Katie Mulholland | Board of Regents, State of Iowa | Undecided | GA87 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA87 |
| Kristin Failor | Board of Regents, State of Iowa | Undecided | GA87 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA87 |
| Robert Donley | Board of Regents, State of Iowa | Undecided | GA87 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA87 |
| Doug Struyk | City of Waukee | Undecided | GA87 |
| Jim Carney | City of Waukee | Undecided | GA87 |
| Shannon Henson | City of Waukee | Undecided | GA87 |
| Angela Davis | Hy-Vee, Inc. | Undecided | GA87 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA87 |
| Brian Carter | Iowa Annual Conference of United Methodist Church | Opposing | GA87 |
| Marty Ryan | Iowa Annual Conference of United Methodist Church | Opposing | GA87 |
| Rita Carter | Iowa Annual Conference of United Methodist Church | Opposing | GA87 |
| Sheila Corsbie | Iowa Annual Conference of United Methodist Church | Opposing | GA87 |
| Stephanie Fawkes-Lee | Iowa Annual Conference of United Methodist Church | Opposing | GA87 |
| Walden Paige | Iowa Annual Conference of United Methodist Church | Opposing | GA87 |
| William Steward | Iowa Annual Conference of United Methodist Church | Opposing | GA87 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Withdrawn | GA87 |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 |
| Neila Seaman | Iowa Chapter of Sierra Club | Opposing | GA87 |
| Jess Mazour | Iowa Citizens for Community Improvement Action Fund | Opposing | GA87 |
| Kerri Johannsen | Iowa Environmental Council | Undecided | GA87 |
| Nathaniel Baer | Iowa Environmental Council | Undecided | GA87 |
| Ralph Rosenberg | Iowa Environmental Council | Undecided | GA87 |
| Brad Epperly | Iowa Geothermal Association | Withdrawn | GA87 |
| Brad Epperly | Iowa Geothermal Association | Supporting | GA87 |
| Dustin Miller | Iowa Geothermal Association | Supporting | GA87 |
| Paige Thorson | Iowa Geothermal Association | Supporting | GA87 |
| Paula Dierenfeld | Iowa Geothermal Association | Supporting | GA87 |
| Susan Guy | Iowa Interfaith Power & Light | Undecided | 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 |
| Brad Epperly | Iowa Propane Gas Association | Opposing | GA87 |
| Mike Heller | Iowa State Association of Assessors | Undecided | GA87 |
| Paula Feltner | Iowa State Association of Assessors | Undecided | GA87 |
| Brad Hudson | Iowa State Education Association | Opposing | GA87 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA87 |
| Louis Vander Streek | Iowa Utilities Board | Undecided | GA87 |
| Brad Epperly | Iowa Water Well Association | Supporting | GA87 |
| Dustin Miller | Iowa Water Well Association | Supporting | GA87 |
| Paige Thorson | Iowa Water Well Association | Supporting | GA87 |
| Paula Dierenfeld | Iowa Water Well Association | Supporting | GA87 |
| Chad Kleppe | Master Builders of Iowa | Supporting | GA87 |
| Brian Johnson | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA87 |