| Julie Vande Hoef | Alliant Energy Corporation | Undecided | GA88 |
| David Scott | American Water Works Association | Opposing | GA88 |
| David Scott | American Water Works Association | Undecided | GA88 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA88 |
| Gary Grant | City of Cedar Rapids | Opposing | GA88 |
| Larry Murphy | City of Cedar Rapids | Opposing | GA88 |
| Meghan Malloy | City of Cedar Rapids | Opposing | GA88 |
| Maddie Wilcox | Des Moines Water Works | Opposing | GA88 |
| Maddie Wilcox | Des Moines Water Works | Undecided | GA88 |
| Threase Harms | Des Moines Water Works | Opposing | GA88 |
| Threase Harms | Des Moines Water Works | Undecided | GA88 |
| Jake Ketzner | Eastlake Partnership | Undecided | GA88 |
| Josh Mandelbaum | Environmental Law and Policy Center | Supporting | GA88 |
| Steve Falck | Environmental Law and Policy Center | Supporting | GA88 |
| Michael Triplett | Greater Iowa Apartment Association | Opposing | GA88 |
| Maddie Wilcox | Grow Clinton County | Opposing | GA88 |
| Maddie Wilcox | Grow Clinton County | Undecided | GA88 |
| Threase Harms | Grow Clinton County | Opposing | GA88 |
| Threase Harms | Grow Clinton County | Undecided | GA88 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA88 |
| Dustin Miller | Iowa Association of Electric Cooperatives | Undecided | GA88 |
| Katie Graham | Iowa Association of Electric Cooperatives | Undecided | GA88 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Opposing | GA88 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Undecided | GA88 |
| Paula Dierenfeld | Iowa Association of Electric Cooperatives | Undecided | GA88 |
| Brad Epperly | Iowa Association of Municipal Utilities | Undecided | GA88 |
| Dustin Miller | Iowa Association of Municipal Utilities | Undecided | GA88 |
| Katie Graham | Iowa Association of Municipal Utilities | Undecided | GA88 |
| Paula Dierenfeld | Iowa Association of Municipal Utilities | Undecided | GA88 |
| Timothy Whipple | Iowa Association of Municipal Utilities | Opposing | GA88 |
| Timothy Whipple | Iowa Association of Municipal Utilities | Undecided | GA88 |
| Jennifer Kingland | Iowa Association of Realtors | Opposing | GA88 |
| Julie Smith | Iowa Association of Water Agencies | Opposing | GA88 |
| Nathan Blake | Iowa Attorney General Dept. of Justice | Supporting | GA88 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Supporting | GA88 |
| Lana Shope | Iowa Community Action Association | Supporting | GA88 |
| Brian Carter | Iowa Conference of United Methodist Church | Supporting | GA88 |
| Carolyn Uhlenhake-Walker | Iowa Conference of United Methodist Church | Supporting | GA88 |
| Gary Nims | Iowa Conference of United Methodist Church | Supporting | GA88 |
| Rita Carter | Iowa Conference of United Methodist Church | Supporting | GA88 |
| Roberta Paige | Iowa Conference of United Methodist Church | Supporting | GA88 |
| Jennifer Terry | Iowa Environmental Council | Supporting | GA88 |
| Jordan Oster | Iowa Environmental Council | Supporting | GA88 |
| Kerri Johannsen | Iowa Environmental Council | Supporting | GA88 |
| Michael Schmidt | Iowa Environmental Council | Supporting | GA88 |
| Lana Shope | Iowa Head Start Association | Supporting | GA88 |
| Emily Piper | Iowa Rural Water Association | Opposing | GA88 |
| Anna Hyatt | Iowa Utilities Board | Undecided | GA88 |
| Geri Huser | Iowa Utilities Board | Undecided | GA88 |
| Onnalee Gettler | MidAmerican Energy Company | Undecided | GA88 |
| Jeff Cook | Office of Consumer Advocate | Supporting | GA88 |
| Kate Walton | Uber Technologies | Undecided | GA88 |
| Matt Eide | Uber Technologies | Undecided | GA88 |