← Overview

How the Colorado legislature works

Democratic trifecta

Convenes every year; two-year legislative session with bills carrying over.

Senate · 35 seats Democratic
House · 65 seats Democratic
Governor Democratic

2026 Legislative Session — Summary

High-level counts of bills & resolutions this session

2
Total Bills
1
Signed/Enacted
0
In progress
1
Did not pass

All Time — Summary

High-level counts of all bills & resolutions on record

8
Total
5
Signed/Enacted
0
In progress
3
Did not pass

Generation Mix

2025 · EIA

56.8 TWh total

58,926GWh generated in state

Energy storage

Battery 230 GWh
Pumped 228 GWh
Discharged to the grid.

Consumes ~60,177 GWh · in-state generation and consumption are roughly balanced. Chart shows in-state generation, not the consumption mix.

Market Structure

Regulated / Vertically Integrated
15.85¢
Residential/kWh
▼ 8%
12.47¢
Commercial/kWh
▼ 7%
9.07¢
Industrial/kWh
▲ 5%
▲/▼ vs US average (2025)

2026 Legislative Session

Session
2026 Regular Session
Start Date
2026-01-14
End Date
2026-05-13
Status
Concluded
Next regular session convenes January 11, 2027

Enacted Legislation

All bills and resolutions signed or enacted in Colorado

HB 1337Signed2026
Facilitating Nuclear Energy Development

This bill establishes Colorado's framework for developing nuclear energy by designating the Colorado Energy Office as the state's permitting coordinator for nuclear projects and setting ambitious development goals. The legislation requires the state's largest investor-owned utility (over 500,000 cus…

Facility Operations/Decommissioning · New Reactor Authorization
2026-05-14
HB 25-1040Signed2025
Adding Nuclear Energy as a Clean Energy Resource

This bill expands Colorado's legal definition of "clean energy" and "clean energy resource" to include nuclear energy, making nuclear power projects eligible for clean energy financing at the county and city level and allowing retail utilities to use nuclear energy to meet the state's 2050 clean ene…

Clean Energy Policy · Nuclear as Clean Energy
2025-03-31
SB 24-039Signed2024
Nuclear Energy as a Clean Energy Resource

This bill seeks to expand Colorado's statutory definitions of "clean energy" and "clean energy resource" to include nuclear energy, which would make nuclear power projects eligible for local government clean energy financing programs and allow utilities to count nuclear generation toward meeting the…

Clean Energy Policy · Nuclear as Clean Energy
2024-04-19
SB 23-079Signed2023
Nuclear Energy As A Clean Energy Resource

This bill seeks to expand Colorado's definition of "clean energy" and "clean energy resource" to explicitly include nuclear energy alongside renewable sources like solar and wind. The main purpose is to recognize nuclear power as a clean energy option in state energy policy, which could potentially…

Clean Energy Policy · Nuclear as Clean Energy
2023-03-23
SB 18-245Signed2018
Allow Natural Occurring Radioactive Material Rules

This bill removes the current restriction that prevents Colorado's state board of health from adopting rules for the disposal of naturally occurring radioactive materials (NORM) until after the federal EPA creates such rules, which has not yet occurred. By eliminating this prohibition, the bill enab…

Public Health & Safety · Radiation Exposure/Health
2018-05-04
H.B. 23-1247Enacted2023
H.B. 23-1247

Provides $50,000 to the director of Colorado’s energy office to conduct studies of electric transmission and advanced energy solutions technologies including advanced nuclear in rural Colorado. State Legislation and Regulations Supporting Nuclear Energy Updated as of March 2026 [NARUC]: Study on adv…

Uncategorized
S.B. 18-003Enacted2018
S.B. 18-003

Requires the Colorado Energy Office to work with communities, utilities, private and public organizations, and individuals to promote cleaner energy sources such as nuclear energy, alongside biogas and biomass.

Uncategorized