republic-os/legislation/us/states/co/2025a/hb-25-1040.md

type, title, description, jurisdiction, legislature, session, identifier, citation, classification, subjects, status, primary_sponsors, version_count, action_count, vote_count, first_action, last_action, source, source_identifier, source_url, source_hash, vintage, source_snapshot, retrieved_at, confidence, tags

type	title	description	jurisdiction	legislature	session	identifier	citation	classification	subjects	status	primary_sponsors	version_count	action_count	vote_count	first_action	last_action	source	source_identifier	source_url	source_hash	vintage	source_snapshot	retrieved_at	confidence	tags
Bill	Adding Nuclear Energy as a Clean Energy Resource	The statutory definition of "clean energy" determines which energy projects are eligible for clean energy project financing at the county and city and county level. The statutory definition of "clean energy resource" determines which energy resources may be used by a qualifying retail utility to meet the 2050 clean energy target. The act updates the 2 statutory definitions to include nuclear energy; except that, for property valuations made for tax purposes, the act exempts from the definition of "clean energy resource" nuclear energy.	us/states/co	Colorado General Assembly	2025A	HB 25-1040	Colorado HB 25-1040 (2025A)	bill		enacted	Alex Valdez Dylan Roberts Larry Liston Ty Winter	9	14	2	2025-01-08T07:00:00+00:00	2025-03-31T06:00:00+00:00	openstates	ocd-bill/a178024f-984a-4533-b5ff-4954ba224c4e	https://leg.colorado.gov/bills/hb25-1040	4d3c1f8de240ecef82edc674223c317218d4836f60820b3054887dbdcedd8050	2026-07-01	https://data.openstates.org/daily/2026-07-01/public.pgdump	2026-07-06	reported	legislation bill us-co

Colorado HB 25-1040 (2025A) — Adding Nuclear Energy as a Clean Energy Resource

The statutory definition of "clean energy" determines which energy projects are eligible for clean energy project financing at the county and city and county level. The statutory definition of "clean energy resource" determines which energy resources may be used by a qualifying retail utility to meet the 2050 clean energy target. The act updates the 2 statutory definitions to include nuclear energy; except that, for property valuations made for tax purposes, the act exempts from the definition of "clean energy resource" nuclear energy.

Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. Committee Amendment (committee substitute) — source
2. Engrossed (02/20/2025) (committee substitute) — source
3. Final Act (03/25/2025) (committee substitute) — source
4. Introduced (01/08/2025) (committee substitute) — source
5. PA1 (02/14/2025) (committee substitute) — source
6. Reengrossed (02/25/2025) (committee substitute) — source
7. Rerevised (03/14/2025) (committee substitute) — source
8. Revised (03/13/2025) (committee substitute) — source
9. Signed Act (03/31/2025) (committee substitute) — source

Votes

• BILL — 29–5 (pass) · upper
• BILL — 43–18 (pass) · lower

Sponsors

• Alex Valdez — primary (person)
• Dylan Roberts — primary (person)
• Larry Liston — primary (person)
• Ty Winter — primary (person)
• A. Paschal — cosponsor (person)
• B. Kirkmeyer — cosponsor (person)
• B. Marshall — cosponsor (person)
• B. Pelton — cosponsor (person)
• C. Barron — cosponsor (person)
• C. Kolker — cosponsor (person)
• C. Richardson — cosponsor (person)
• D. Johnson — cosponsor (person)
• D. Woog — cosponsor (person)
• J. Caldwell — cosponsor (person)
• J. Carson — cosponsor (person)
• J. Marchman — cosponsor (person)
• J. Rich — cosponsor (person)
• K. DeGraaf — cosponsor (person)
• K. Mullica — cosponsor (person)
• L. Frizell — cosponsor (person)
• M. Baisley — cosponsor (person)
• M. Brooks — cosponsor (person)
• M. Catlin — cosponsor (person)
• M. Duran — cosponsor (person)
• M. Rutinel — cosponsor (person)
• M. Soper — cosponsor (person)
• N. Hinrichsen — cosponsor (person)
• P. Lundeen — cosponsor (person)
• R. Gonzalez — cosponsor (person)
• R. Keltie — cosponsor (person)
• R. Pelton — cosponsor (person)
• R. Pugliese — cosponsor (person)
• R. Rodriguez — cosponsor (person)
• R. Weinberg — cosponsor (person)
• S. Bird — cosponsor (person)
• S. Bright — cosponsor (person)
• S. Lieder — cosponsor (person)
• W. Lindstedt — cosponsor (person)

Timeline

The legislative action history — every referral, reading, and vote.

• 2025-03-31T06:00:00+00:00 Governor Signed executive-signature
• 2025-03-26T06:00:00+00:00 Sent to the Governor executive-receipt
• 2025-03-25T06:00:00+00:00 Signed by the President of the Senate
• 2025-03-24T06:00:00+00:00 Signed by the Speaker of the House
• 2025-03-14T06:00:00+00:00 Senate Third Reading Passed - No Amendments passage, reading-3
• 2025-03-13T06:00:00+00:00 Senate Second Reading Passed - No Amendments reading-2
• 2025-03-10T06:00:00+00:00 Senate Committee on Transportation & Energy Refer Unamended to Senate Committee of the Whole committee-passage, referral-committee
• 2025-02-27T07:00:00+00:00 Introduced In Senate - Assigned to Transportation & Energy introduction
• 2025-02-25T07:00:00+00:00 House Third Reading Passed - No Amendments passage, reading-3
• 2025-02-21T07:00:00+00:00 House Third Reading Laid Over Daily - No Amendments
• 2025-02-20T07:00:00+00:00 House Second Reading Special Order - Passed with Amendments - Committee, Floor
• 2025-02-19T07:00:00+00:00 House Second Reading Laid Over Daily - No Amendments
• 2025-02-13T07:00:00+00:00 House Committee on Energy & Environment Refer Amended to House Committee of the Whole committee-passage, referral-committee
• 2025-01-08T07:00:00+00:00 Introduced In House - Assigned to Energy & Environment introduction

Source

OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/a178024f-984a-4533-b5ff-4954ba224c4e. Confidence: reported (aggregated from official Colorado legislature records).