| Julie Vande Hoef | Alliant Energy Corporation | Undecided | GA88 |
| David Scott | American Water Works Association | Opposing | GA88 |
| David Scott | American Water Works Association | Undecided | GA88 |
| Brandon Geib | Black Hills Energy | Undecided | GA88 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA88 |
| Cyndi Pederson | Central Iowa Power Cooperative (CIPCO) | Undecided | GA88 |
| John Pederson | Central Iowa Power Cooperative (CIPCO) | Undecided | GA88 |
| Jon Murphy | City of Coralville | Undecided | GA88 |
| Tom Cope | City of Coralville | Undecided | GA88 |
| Josh Mandelbaum | Environmental Law and Policy Center | Undecided | GA88 |
| Steve Falck | Environmental Law and Policy Center | Undecided | GA88 |
| Greg Conard | Families United Action Network (FUAN) | Supporting | GA88 |
| Matthew Hickok | Families United Action Network (FUAN) | Supporting | GA88 |
| Dane Schumann | Grow Clinton County | Opposing | GA88 |
| Dane Schumann | Grow Clinton County | Undecided | 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 |
| Jay Iverson | Home Builders Association of Iowa | Undecided | GA88 |
| Dane Schumann | IBEW Iowa State Conference | Opposing | GA88 |
| Maddie Wilcox | IBEW Iowa State Conference | Opposing | GA88 |
| Threase Harms | IBEW Iowa State Conference | Opposing | GA88 |
| Mark Joyce | ITC Midwest | Undecided | GA88 |
| Bob Rafferty | Iowa American Water Co. | Undecided | GA88 |
| Rachel Ong | Iowa American Water Co. | 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 | Opposing | GA88 |
| Timothy Whipple | Iowa Association of Municipal Utilities | Opposing | GA88 |
| Julie Smith | Iowa Association of Water Agencies | Opposing | GA88 |
| Brad Epperly | Iowa Business Energy Coalition (IBEC) | Undecided | GA88 |
| Dustin Miller | Iowa Business Energy Coalition (IBEC) | Undecided | GA88 |
| Katie Graham | Iowa Business Energy Coalition (IBEC) | Undecided | GA88 |
| Paula Dierenfeld | Iowa Business Energy Coalition (IBEC) | Undecided | GA88 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Supporting | GA88 |
| Jennifer Terry | Iowa Environmental Council | Undecided | GA88 |
| Jordan Oster | Iowa Environmental Council | Undecided | GA88 |
| Kerri Johannsen | Iowa Environmental Council | Undecided | GA88 |
| Katie Hall | Iowa Institute for Cooperatives | Undecided | GA88 |
| Alan Kemp | Iowa League of Cities | Undecided | GA88 |
| Daniel Stalder | Iowa League of Cities | Undecided | GA88 |
| Robert Palmer | Iowa League of Cities | Undecided | GA88 |
| Emily Piper | Iowa Rural Water Association | Undecided | GA88 |
| Anna Hyatt | Iowa Utilities Board | Undecided | GA88 |
| Kate Walton | Missouri River Energy Services | Opposing | GA88 |
| Matt Eide | Missouri River Energy Services | Opposing | GA88 |
| Matthew Hickok | Personal Interest-Matthew Hickok | Supporting | GA88 |
| Doug Struyk | Resale Power Group of Iowa | Withdrawn | GA88 |
| Doug Struyk | Resale Power Group of Iowa | Undecided | GA88 |
| Jennifer Dorman | Resale Power Group of Iowa | Withdrawn | GA88 |
| Jennifer Dorman | Resale Power Group of Iowa | Undecided | GA88 |
| Jim Carney | Resale Power Group of Iowa | Withdrawn | GA88 |
| Jim Carney | Resale Power Group of Iowa | Undecided | GA88 |
| Jake Ketzner | Urbandale Water Utility | Opposing | GA88 |
| Larry Blixt | Urbandale Water Utility | Opposing | GA88 |