| Name | Firm, Business Or Agency | Representing |
| Hearing Date and Time: Energy & Environment (H) 4/2/2024 4:00 PM |
| Alice Tell | League of Women Voters Chicago | League of Women Voters Chicago |
| Ariel Hampton | Illinois Environmental Council | Illinois Environmental Council |
| David McEllis | Environmental Law and Policy Center | Environmental Law and Policy Center |
| Jerry M Herst | Self | self |
| Karen Daiter | Cllimate Reality Project- Chicago Metro Chapter | self |
| Nicole Saulsberry | Sierra Club Illinois | Sierra Club Illinois |
| Rachel Fredericks | self | self |
| Thomas Coleman | Climate Reality Chicago | climate Reality Chicago |
| Hearing Date and Time: Energy & Environment (H) 3/20/2024 4:00 PM |
| Ariel Hampton | Illinois Environmental Council | Illinois Environmental Council |
| JOHN FREITAG | GAOI | geothermal heat pump industry |
| Julia Utset | League of Women Voters of Chicago | League of Women Voters of Chicago |
| Nicole Saulsberry | Sierra Club Illinois | Sierra Club Illinois |
| Hearing Date and Time: Energy & Environment (H) 3/12/2024 4:00 PM |
| Alice Tell | League of Women Voters Chicago | League of Women Voters Chicago |
| Ariel Hampton | Illinois Environmental Council | Illinois Environmental Council |
| Cynthia Kanner | Prairie State Conservation Coalition | Prairie State Conservation Coalition |
| Jerry M Herst | Self | self |
| Nicole Saulsberry | Sierra Club Illinois | Sierra Club Illinois |
| William Koehl | Self | Self |
| Hearing Date and Time: Energy & Environment (H) 3/5/2024 4:00 PM |
| Alice Tell | League of Women Voters | League of Women Voters |
| Ariel Hampton | Illinois Environmental Council | Illinois Environmental Council |
| Brian Pitcher | Enertech USA | |
| Cynthia Kanner | Prairie State Conservation Coalition | Prairie State Conservation Coalition |
| Cynthia Linton | Self | Climate Reality Project - Chicago Chapter |
| Danica Sun | Climate Reality Chicago, Fridays for Future Chicago | Self |
| Denise Potthast | Entertech Global LLC | |
| Hayley Eyman | Enertech Global | |
| Jeffrey Snelten | Sub-Surface | |
| Jerry M Herst | Self | Self |
| Jesse Lane Shaw | Individual | |
| Jill Lauchner | Enertech Global LLC | |
| John Pendleton | Enertechusa.com | |
| Kallie Utlaut | Enertech Global, LLC | Enertech Global, LLC |
| Karen Daiter | Cllimate Reality Project- Chicago Metro Chapter | self |
| Karen Daiter | Cllimate Reality Project- Chicago Metro Chapter | self |
| Kelli Davis | Enertech Global | |
| Kirn Wildhaber | Enertech Global, LLC. | |
| Marc Poulos | Local 150 Operating Engineers | Local 150 Operating Engineers |
| Mark Tate | Enertech Global | |
| Mary Grose | self | self |
| Maurice Powers | Enertech Global, LLC | |
| Nicole Saulsberry | Sierra Club Illinois | Sierra Club Illinois |
| Pamela Gottschalk | Balanced LLC | |
| Pamela Tate | The Climate Reality Project Chicago Metro Chapter | Self |
| Patricia Iverson | Climate Reality Project Chicago Metro Chapter | Self |
| Rachel Fredericks | self | self |
| Rick Terven | Illinois Pipe Trades Association | Illinois Pipe Trades Association |
| RoseAnna McDonald | Enertech Global LLC | Geothermal Alliance of IL |
| Steve Thompson | Enertech Global, LLC | |
| Steven S Smith | Enertech Global | Illinois residents |
| Hearing Date and Time: Energy & Environment (H) 2/20/2024 4:00 PM |
| Ariel Hampton | Illinois Environmental Council | Illinois Environmental Council |
| Bryan McDaniel | Citizens Utility Board | Citizens Utility Board CUB |
| Cynthia Linton | Self | Climate Reality Project - Chicago Metro Chapter |
| David Domenella | David Domenella | |
| David Schwartz | Self | Self |
| Dominique Durbin | Durbin Enterprises | Geothermal Alliance of Illinois |
| Donna L Twickler | Self | Self |
| douglas dougherty | GEO | Retired |
| douglas dougherty | GEO | Retired |
| Elyse Williamson | Climate Reality Project Chicago Metro Chapter | Self |
| Jeff Hurst | Connor Co | Connor Co |
| John Kavalunas | self | self |
| John Kavalunas | self | self |
| Jonathan Halloran | Earth Power LLC | Jonathan Halloran |
| Julia Utset | League of Women Voters of Chicago | League of Women Voters of Chicago |
| Karen Daiter | Cllimate Reality Project- Chicago Metro Chapter | self |
| Keegan Leliefeld | Geothermal Eco Options, Inc. | Geothermal Alliance of Illinois |
| Larry Leliefeld | Geothermal Eco Options, Inc. | |
| Leslie Hodes | Self | Self |
| Lincoln Cohen | Self | Self |
| LYNN ANN HUTCHISON | self | |
| Mark Burger | Self | Self |
| Mike Gordon | WaterFurnace | |
| Nicole Saulsberry | Sierra Club Illinois | Sierra Club Illinois |
| Nina D Newhouser | Self | |
| Rachel Fredericks | self | self |
| Renee Patten | Edgewater Environmental Coalition | NA |
| Tracey McFadden | Fox Valley Electric Auto Association | Fox Valley Electric Auto Association |
| William Koehl | Self | Self |
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