# Colorado HB25-104: Adding Nuclear Energy as a Clean Energy Resource Colorado HB25-104, Adding Nuclear Energy as a Clean Energy Resource, is a 2025 Regular Session House bill sponsored by Alex Valdez (Democratic), Dylan Roberts (Democratic), Larry Liston (Republican) and 1 others; status signed, last action 2025-03-31 (Governor Signed) (as of 2026-10-19). - Canonical: https://policyrisk.com/state-bill/CO-HB25-104-2025A - As of: 2026-10-19 - Plain-text twin of the page above; the HTML and this file carry the same facts. ## Facts - Bill: Colorado HB25-104 - State: Colorado - Session: 2025 Regular Session - Title: Adding Nuclear Energy as a Clean Energy Resource - Status: signed - Chamber: House - Introduced: 2025-01-08 - Last action: 2025-03-31, Governor Signed - Sponsors: Alex Valdez (Democratic), Dylan Roberts (Democratic), Larry Liston (Republican), Ty Winter (Republican) - Cosponsors: 33 - Subjects: Energy - Touches household money: no - Roll calls: 13 (478 yes, 165 no in all) - Economic provisions PRIA read: 2 ## Summary No summary available. ## Bill overview: provisions PRIA read - Nuclear projects qualify for clean energy programs: benefit, low. Colorado’s county clean-energy programs now recognize nuclear energy and hydrogen made from nuclear energy. Utilities can count nuclear toward carbon pollution goals under the expanded definition covering electricity generation and storage without carbon dioxide emissions. Both definitions include… - Nuclear facilities excluded from clean-energy tax treatment: cost, low. Colorado excludes nuclear energy from the clean-energy resource definition used in this property-tax rule. Nuclear facilities do not gain the clean-energy property-tax treatment available under that rule. The law does not specify a resulting tax amount. ## Sponsors and cosponsors - Sponsor: Alex Valdez (Democratic), House - Sponsor: Dylan Roberts (Democratic), Senate - Sponsor: Larry Liston (Republican), Senate - Sponsor: Ty Winter (Republican), House - Cosponsor: Amy Paschal (Democratic), House - Cosponsor: Bob Marshall (Democratic), House - Cosponsor: Carlos Barron (Republican), House - Cosponsor: Chris Richardson (Republican), House - Cosponsor: Dusty Johnson (Republican), House - Cosponsor: Dan Woog (Republican), House - Cosponsor: Jarvis Caldwell (Republican), House - Cosponsor: Ken DeGraaf (Republican), House - Cosponsor: Max Brooks (Republican), House - Cosponsor: Monica Duran (Democratic), House - Cosponsor: Manny Rutinel (Democratic), House - Cosponsor: Matt Soper (Republican), House - Cosponsor: Ryan Gonzalez (Republican), House - Cosponsor: Rebecca Keltie (Republican), House - Cosponsor: Rep. R. Pugliese - Cosponsor: Ron Weinberg (Republican), House - Cosponsor: Rep. S. Bird - Cosponsor: Sheila Lieder (Democratic), House - Cosponsor: William Lindstedt (Democratic), Senate - Cosponsor: Barbara Kirkmeyer (Republican), Senate - Cosponsor: Byron Pelton (Republican), Senate - Cosponsor: Chris Kolker (Democratic), Senate - Cosponsor: John Carson (Republican), Senate - Cosponsor: Janice Marchman (Democratic), Senate - Cosponsor: Janice Rich (Republican), Senate - Cosponsor: Kyle Mullica (Democratic), Senate - Cosponsor: Lisa Frizell (Republican), Senate - Cosponsor: Marc Catlin (Republican), Senate - Cosponsor: Nick Hinrichsen (Democratic), Senate - Cosponsor: Sen. P. Lundeen - Cosponsor: Rod Pelton (Republican), Senate - Cosponsor: Robert Rodriguez (Democratic), Senate - Cosponsor: Scott Bright (Republican), Senate ## Roll call votes | Date | Chamber | Motion | Result | Yes | No | Other | | --- | --- | --- | --- | --- | --- | --- | | 2025-04-28 | Senate | Third reading: Bill | pass | 26 | 8 | | | 2025-04-15 | House | Conference committee report: Adopt | pass | 42 | 22 | | | 2025-04-15 | House | Third reading: Bill | pass | 44 | 17 | | | 2025-04-15 | House | Conference committee report: Repass | pass | 41 | 23 | | | 2025-04-09 | Senate | Conference committee report: Repass | pass | 23 | 11 | | | 2025-04-09 | Senate | Conference committee report: Adopt ccr | pass | 34 | 0 | | | 2025-03-28 | House | Senate amendments: Not cncr | pass | 46 | 17 | | | 2025-03-19 | Senate | Third reading: Bill | pass | 23 | 11 | | | 2025-03-14 | Senate | Third reading: Bill | pass | 29 | 5 | | | 2025-03-14 | Senate | Third reading: Bill | pass | 30 | 4 | | | 2025-02-27 | House | Third reading: Bill | pass | 38 | 24 | | | 2025-02-25 | House | Third reading: Bill | pass | 43 | 18 | | | 2025-02-18 | House | Third reading: Bill | pass | 59 | 5 | | ## Actions (14) - 2025-03-31: Governor Signed (House) - 2025-03-26: Sent to the Governor (House) - 2025-03-25: Signed by the President of the Senate (Senate) - 2025-03-24: Signed by the Speaker of the House (House) - 2025-03-14: Senate Third Reading Passed - No Amendments (Senate) - 2025-03-13: Senate Second Reading Passed - No Amendments (Senate) - 2025-03-10: Senate Committee on Transportation & Energy Refer Unamended to Senate Committee of the Whole (Senate) - 2025-02-27: Introduced In Senate - Assigned to Transportation & Energy (Senate) - 2025-02-25: House Third Reading Passed - No Amendments (House) - 2025-02-21: House Third Reading Laid Over Daily - No Amendments (House) - 2025-02-20: House Second Reading Special Order - Passed with Amendments - Committee, Floor (House) - 2025-02-19: House Second Reading Laid Over Daily - No Amendments (House) - 2025-02-13: House Committee on Energy & Environment Refer Amended to House Committee of the Whole (House) - 2025-01-08: Introduced In House - Assigned to Energy & Environment (House) ## Bill text - Engrossed: [PDF](https://leg.colorado.gov/bill_files/110574/download) - Final Act: [PDF](https://leg.colorado.gov/bill_files/110570/download) - Introduced: [PDF](https://leg.colorado.gov/bill_files/110575/download) - Reengrossed: [PDF](https://leg.colorado.gov/bill_files/110573/download) - Rerevised: [PDF](https://leg.colorado.gov/bill_files/110571/download) - Revised: [PDF](https://leg.colorado.gov/bill_files/110572/download) - Signed Act: [PDF](https://leg.colorado.gov/bill_files/110569/download) ## Related bills - SB25-279: Colorado Code of Military Justice Updates (signed) - HB25-1234: Utility Consumer Protection (signed) - HB25-1307: Updating Technical References in Education Law (signed) - SB25-163: Battery Stewardship Programs (signed) - SB25-261: Property Tax Deferral Program Administration (signed) - SB25-167: Invest State Funds to Benefit Communities (signed) ## Sources - [Engrossed (PDF)](https://leg.colorado.gov/bill_files/110574/download) - [Final Act (PDF)](https://leg.colorado.gov/bill_files/110570/download) - [Introduced (PDF)](https://leg.colorado.gov/bill_files/110575/download) - [Reengrossed (PDF)](https://leg.colorado.gov/bill_files/110573/download) - [Rerevised (PDF)](https://leg.colorado.gov/bill_files/110571/download) - [Revised (PDF)](https://leg.colorado.gov/bill_files/110572/download) - [Signed Act (PDF)](https://leg.colorado.gov/bill_files/110569/download) ## Related - [SB25-279: Colorado Code of Military Justice Updates](https://policyrisk.com/state-bill/CO-SB25-279-2025A) - [HB25-1234: Utility Consumer Protection](https://policyrisk.com/state-bill/CO-HB25-1234-2025A) - [HB25-1307: Updating Technical References in Education Law](https://policyrisk.com/state-bill/CO-HB25-1307-2025A) - [SB25-163: Battery Stewardship Programs](https://policyrisk.com/state-bill/CO-SB25-163-2025A) - [SB25-261: Property Tax Deferral Program Administration](https://policyrisk.com/state-bill/CO-SB25-261-2025A) - [SB25-167: Invest State Funds to Benefit Communities](https://policyrisk.com/state-bill/CO-SB25-167-2025A) - [Colorado bills](https://policyrisk.com/states/colorado/bills) - [Colorado state hub](https://policyrisk.com/states/colorado) - [All state legislation](https://policyrisk.com/state-bills) Source: PRIA, https://policyrisk.com/state-bill/CO-HB25-104-2025A (as of 2026-10-19).