| Paige Yontz | AARP Iowa | Undecided | GA90 |
| BRITTANY LUMLEY | Alliant Energy Corporation | Undecided | GA90 |
| Courtney Craig | Alliant Energy Corporation | Undecided | GA90 |
| Elliott Meyer | Alliant Energy Corporation | Undecided | GA90 |
| Jeffrey Boeyink | Alliant Energy Corporation | Undecided | GA90 |
| Ted Stopulos | Alliant Energy Corporation | Undecided | GA90 |
| Tony Phillips | Black Hills Energy | Undecided | GA90 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA90 |
| Kerry Koonce | Central Iowa Power Cooperative (CIPCO) | Opposing | GA90 |
| Josh Mandelbaum | Environmental Law and Policy Center | Undecided | GA90 |
| Steve Falck | Environmental Law and Policy Center | Undecided | GA90 |
| Dan Harbeke | Google LLC and its Affiliates | Supporting | GA90 |
| Matt McKinney | Google LLC and its Affiliates | Supporting | GA90 |
| RG Schwarm | Google LLC and its Affiliates | Supporting | GA90 |
| Nick Laning | IBEW Iowa State Conference | Undecided | GA90 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA90 |
| Brian Selinger | ITC Midwest | Undecided | GA90 |
| Mark Joyce | ITC Midwest | Undecided | GA90 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Opposing | GA90 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| John Davis | Iowa Association of Business and Industry (ABI) | Opposing | GA90 |
| John Davis | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Opposing | GA90 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Opposing | GA90 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA90 |
| Casey Nickel | Iowa Association of Electric Cooperatives | Undecided | GA90 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Opposing | GA90 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Undecided | 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 | Opposing | GA90 |
| Marc Beltrame | Iowa Association of Municipal Utilities | Undecided | GA90 |
| Brad Epperly | Iowa Business Energy Coalition (IBEC) | Undecided | GA90 |
| Casey Nickel | Iowa Business Energy Coalition (IBEC) | Undecided | GA90 |
| Dustin Miller | Iowa Business Energy Coalition (IBEC) | Supporting | GA90 |
| Dustin Miller | Iowa Business Energy Coalition (IBEC) | Undecided | GA90 |
| Bob Rafferty | Iowa Business for Clean Energy | Supporting | GA90 |
| Bob Rafferty | Iowa Business for Clean Energy | Undecided | GA90 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA90 |
| Nick Boeyink | Iowa Conservative Energy Forum | Undecided | GA90 |
| Matt McKinney | Iowa Economic Alliance | Supporting | GA90 |
| RG Schwarm | Iowa Economic Alliance | Supporting | 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 | Undecided | GA90 |
| Irene DeMaris | Iowa Interfaith Power & Light | Undecided | GA90 |
| Louis Vander Streek | Iowa Utilities Commission | Undecided | GA90 |
| Maison Bleam | Iowa Utilities Commission | Undecided | GA90 |
| Chaz Allen | Iowa Utility Association | Opposing | GA90 |
| Jon Murphy | Microsoft Corp. | Supporting | GA90 |
| Tom Cope | Microsoft Corp. | Supporting | GA90 |
| David Adelman | MidAmerican Energy Company | Opposing | GA90 |
| Frank Chiodo | MidAmerican Energy Company | Opposing | GA90 |
| Matt Hinch | MidAmerican Energy Company | Opposing | GA90 |
| Onnalee Gettler | MidAmerican Energy Company | Opposing | GA90 |
| Paige Thorson | MidAmerican Energy Company | Opposing | GA90 |
| Sara Allen | MidAmerican Energy Company | Opposing | GA90 |
| Scott Newhard | MidAmerican Energy Company | Opposing | 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 |
| Dane Schumann | North Central States Regional Council of Carpenters | Undecided | GA90 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA90 |
| Chloe Gayer | Professional Developers of Iowa (PDI) | Undecided | GA90 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA90 |
| Doug Struyk | Resale Power Group of Iowa | Undecided | GA90 |
| Jennifer Dorman | Resale Power Group of Iowa | Undecided | GA90 |
| Jim Carney | Resale Power Group of Iowa | Undecided | GA90 |