| Colorado Solar and Storage Association | 350 Colorado | Supporting | 2023-2024 |
| Moldovan, Karen | AARP | Monitoring | 2023-2024 |
| The Johnson Consulting Companies Inc. | AMERICAN INSTITUTE OF ARCHITECTS | Monitoring | 2023-2024 |
| Orf & Orf PC | ASSOCIATED GOVERNMENTS OF NORTHWEST COLORADO (AGNC) | Opposing | 2023-2024 |
| Wolf Strategies, LLC | American Council of Engineering Companies of Colorado | Amending | 2023-2024 |
| HB Strategies | Associated Builders and Contractors Rocky Mountain Chapter | Amending | 2023-2024 |
| Weist Capitol Group, Inc. | Associated General Contractors | Monitoring | 2023-2024 |
| Weist Capitol Group, Inc. | Associated General Contractors of Colorado | Monitoring | 2023-2024 |
| Orf & Orf P.C. | Associated Governments of Northwest Colorado | Opposing | 2023-2024 |
| Kimball, James Spencer | Black Hills Corporation | Monitoring | 2023-2024 |
| Kimball, James Spencer | Black Hills Corporation | Amending | 2023-2024 |
| Wagner Morgan Strategies, LLC | Black Hills Corporation | Monitoring | 2023-2024 |
| Wagner Morgan Strategies, LLC | Black Hills Corporation | Amending | 2023-2024 |
| Capitol Success Group | Blackhills Energy | Amending | 2023-2024 |
| Santarella, Elena M | BlueGreen Alliance | Monitoring | 2023-2024 |
| Santarella, Elena M | BlueGreen Alliance | Amending | 2023-2024 |
| Copeland, Cindy | Boulder County | Supporting | 2023-2024 |
| 5280 Strategies | COLORADO PROPANE GAS ASSOCIATION | Opposing | 2023-2024 |
| HODGES, DANIEL S. | COLORADO SPRINGS UTILITIES | Monitoring | 2023-2024 |
| Biddison, Morgan | CORE Electric Cooperative | Monitoring | 2023-2024 |
| Trombley, Kelly | Ceres, Inc. | Supporting | 2023-2024 |
| BRANDEBERRY MCKENNA PUBLIC AFFAIRS | City and County of Denver c/o The Policy Matters | Supporting | 2023-2024 |
| Castillo, Carl | City of Boulder | Supporting | 2023-2024 |
| Fulcrum Group US | Colorado Association of Home Builders | Opposing | 2023-2024 |
| Gold Leaf Strategies, LLC | Colorado Association of Home Builders | Opposing | 2023-2024 |
| Leighty, Edward Andrew | Colorado Association of Home Builders | Opposing | 2023-2024 |
| Votoupal Government Affairs LLC | Colorado Cleantech Industry Association | Supporting | 2023-2024 |
| Weist Capitol Group, Inc. | Colorado Competitive Council | Monitoring | 2023-2024 |
| Recht Kornfeld PC | Colorado Mortgage Lenders Association | Amending | 2023-2024 |
| Recht Kornfeld PC | Colorado Natural Gas | Amending | 2023-2024 |
| Recht Kornfeld, P.C. | Colorado Natural Gas | Amending | 2023-2024 |
| Kran-Annexstein, Margaret | Colorado Sierra Club | Supporting | 2023-2024 |
| Mendez, Barkis and Associates | Colorado Sierra Club | Supporting | 2023-2024 |
| Schwartz, Alexis Holly | Colorado Sierra Club | Supporting | 2023-2024 |
| Colorado Advocates, Inc. | Colorado Springs Utilities | Amending | 2023-2024 |
| Sherman, Paul | Conservation Colorado | Supporting | 2023-2024 |
| Siegel Long Public Affairs, LLC | Conservation Colorado | Supporting | 2023-2024 |
| BRANDEBERRY MCKENNA PUBLIC AFFAIRS | Denver Metro Chamber of Commerce | Amending | 2023-2024 |
| 5280 Strategies | EL PASO COUNTY | Opposing | 2023-2024 |
| Curry, Rebecca Lynn | Earthjustice | Monitoring | 2023-2024 |
| Allen, Jamee Lynn | FREEPORT-MCMORAN COPPER AND GOLD, INC. | Monitoring | 2023-2024 |
| Meridian Public Affairs LLC | Healthy Air and Water Colorado | Supporting | 2023-2024 |
| Kemp, Megan | Healthy Air and Water Colorado Action | Supporting | 2023-2024 |
| Gold Dome Access, LLC | Holly Frontier Companies | Monitoring | 2023-2024 |
| HB Strategies | ICSC | Opposing | 2023-2024 |
| Allied Agenda, LLC | League of Women Voters of Colorado | Supporting | 2023-2024 |
| Meija-Cunningham, Alejandra | Natural Resources Defense Council | Supporting | 2023-2024 |
| Siegel Long Public Affairs, LLC | Natural Resources Defense Council, Inc. | Supporting | 2023-2024 |
| Colorado Legislative Strategies | Rocky Mountain Home Association | Opposing | 2023-2024 |
| Brinker, Christine | Southwest Energy Efficiency Project | Supporting | 2023-2024 |
| Siegel Long Public Affairs, LLC | Southwest Energy Efficiency Project | Supporting | 2023-2024 |
| Singer, Jonathan S | The Boulder Chamber | Monitoring | 2023-2024 |
| Virtual Operations, LLC | The Boulder Chamber | Monitoring | 2023-2024 |
| Gelay, Jessica | Western Resource Advocates | Supporting | 2023-2024 |
| MERIDIAN PUBLIC AFFAIRS LLC | Western Resource Advocates | Supporting | 2023-2024 |
| Sloan & Associates Public Affairs | Westminster Chamber of Commerce | Monitoring | 2023-2024 |
| Brandeberry McKenna Public Affairs | Windows & Door Manufacturers Association c/o MultiState Associates, LLC | Supporting | 2023-2024 |
| 5280 Strategies | XCEL ENERGY | Amending | 2023-2024 |
| JLH Consulting & Public Affairs, LLC | XCEL ENERGY | Amending | 2023-2024 |
| MANDARICH, MARY ALICE | XCEL ENERGY | Amending | 2023-2024 |
| STERMER, MICHELLE A. | XCEL ENERGY | Amending | 2023-2024 |
| Figg, Chloe Olivia | Xcel Energy | Amending | 2023-2024 |
| Sewald Hanfling Public Affairs | Xcel Energy | Amending | 2023-2024 |
| Smith, Tyler | Xcel Energy | Amending | 2023-2024 |