| Paige Yontz | AARP Iowa | Opposing | GA90 |
| Ted Stopulos | Alliant Energy Corporation | Undecided | GA90 |
| Tyler Raygor | Americans For Prosperity | Opposing | GA90 |
| Jeff Smith | Americans for Fair Energy Prices | Opposing | GA90 |
| Maggie Smith-Fitzgerald | Americans for Fair Energy Prices | Opposing | GA90 |
| Matt Fitzgerald | Americans for Fair Energy Prices | Opposing | GA90 |
| Mike St. Clair | Americans for Fair Energy Prices | Opposing | GA90 |
| Madeleine Bradley | Arconic (Formerly Alcoa) | Opposing | GA90 |
| Matt Eide | Arconic (Formerly Alcoa) | Opposing | GA90 |
| Katie Hall | Cargill | Opposing | GA90 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA90 |
| Kerry Koonce | Central Iowa Power Cooperative (CIPCO) | Supporting | GA90 |
| Sandra Conlin | Clean Grid Alliance | Undecided | GA90 |
| Michael Triplett | Dairyland Power Cooperative | Supporting | GA90 |
| Michael Triplett | Dairyland Power Cooperative | Undecided | GA90 |
| Nick Laning | IBEW Iowa State Conference | Supporting | GA90 |
| Threase Harms | IBEW Iowa State Conference | Supporting | GA90 |
| Brian Selinger | ITC Midwest | Supporting | GA90 |
| Jake Highfill | ITC Midwest | Supporting | GA90 |
| Logan Murray | ITC Midwest | Supporting | GA90 |
| Mark Joyce | ITC Midwest | Supporting | GA90 |
| Noah Tabor | ITC Midwest | Supporting | GA90 |
| Tony Phillips | ITC Midwest | Supporting | GA90 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Supporting | GA90 |
| David Peck | Iowa Association of Municipal Utilities | Supporting | GA90 |
| David Peck | Iowa Association of Municipal Utilities | Opposing | GA90 |
| David Peck | Iowa Association of Municipal Utilities | Undecided | GA90 |
| Marc Beltrame | Iowa Association of Municipal Utilities | Supporting | GA90 |
| Marc Beltrame | Iowa Association of Municipal Utilities | Opposing | GA90 |
| Marc Beltrame | Iowa Association of Municipal Utilities | Undecided | GA90 |
| Dustin Miller | Iowa Business Energy Coalition (IBEC) | Opposing | GA90 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA90 |
| Nick Boeyink | Iowa Conservative Energy Forum | Undecided | GA90 |
| Matt McKinney | Iowa Economic Alliance | Opposing | GA90 |
| RG Schwarm | Iowa Economic Alliance | Opposing | GA90 |
| Deanna Triplett | Iowa Economic Development Authority | Undecided | GA90 |
| Chelsea Hoye | Iowa Environmental Council | Undecided | GA90 |
| Cody Smith | Iowa Environmental Council | Undecided | GA90 |
| Kerri Johannsen | Iowa Environmental Council | Undecided | GA90 |
| Michael Schmidt | Iowa Environmental Council | Undecided | GA90 |
| Threase Harms | Iowa Environmental Council | Undecided | GA90 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Supporting | GA90 |
| Emilee Zimmerman | Iowa Hotel & Lodging Association | Undecided | GA90 |
| Eric Goranson | Iowa Hotel & Lodging Association | Undecided | GA90 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Opposing | GA90 |
| Nathan Hohnstein | Iowa Renewable Fuels Association (IRF) | Opposing | GA90 |
| Emilee Zimmerman | Iowa Restaurant Association | Undecided | GA90 |
| Eric Goranson | Iowa Restaurant Association | Undecided | GA90 |
| Jim Henter | Iowa Retail Federation | Opposing | GA90 |
| Louis Vander Streek | Iowa Utilities Commission | Undecided | GA90 |
| Maison Bleam | Iowa Utilities Commission | Undecided | GA90 |
| Doug Struyk | LS Power Midcontinent, LLC | Opposing | GA90 |
| Jennifer Dorman | LS Power Midcontinent, LLC | Opposing | GA90 |
| Jim Carney | LS Power Midcontinent, LLC | Opposing | GA90 |
| David Adelman | MidAmerican Energy Company | Supporting | GA90 |
| Frank Chiodo | MidAmerican Energy Company | Supporting | GA90 |
| Matt Hinch | MidAmerican Energy Company | Supporting | GA90 |
| Onnalee Gettler | MidAmerican Energy Company | Supporting | GA90 |
| Paige Thorson | MidAmerican Energy Company | Supporting | GA90 |
| Sara Allen | MidAmerican Energy Company | Supporting | GA90 |
| Scott Newhard | MidAmerican Energy Company | Supporting | GA90 |
| Ben Gentz | Missouri River Energy Services | Supporting | GA90 |
| Ben Gentz | Missouri River Energy Services | Undecided | GA90 |
| Kate Walton | Missouri River Energy Services | Undecided | GA90 |
| Madeleine Bradley | Missouri River Energy Services | Undecided | GA90 |
| Matt Eide | Missouri River Energy Services | Undecided | GA90 |
| Christopher Rants | NextEra Energy | Opposing | GA90 |
| John Cacciatore | NextEra Energy | Opposing | GA90 |
| Justin Hupfer | NextEra Energy | Opposing | GA90 |
| Doug Struyk | Resale Power Group of Iowa | Opposing | GA90 |
| Jennifer Dorman | Resale Power Group of Iowa | Opposing | GA90 |
| Jim Carney | Resale Power Group of Iowa | Opposing | GA90 |
| Kate Walton | Tyson Foods, Inc. | Opposing | GA90 |
| Madeleine Bradley | Tyson Foods, Inc. | Opposing | GA90 |
| Matt Eide | Tyson Foods, Inc. | Opposing | GA90 |