Annual Reports
- 2023 Annual Legislative Reports
- Colorado Energy Office Annual Report 2021-2022
- Colorado Energy Office Annual Report 2020-2021
- Colorado Energy Office Annual Report 2019-2020
- Colorado Energy Office Annual Report 2018-2019
- Colorado Energy Office Annual Report 2017-2018
- Colorado Energy Office Annual Report 2016-2017
- Colorado Energy Office Annual Report 2015-2016
- Colorado Energy Office Annual Report 2014-2015
- Colorado Energy Office Annual Report 2013-2014
- Colorado Energy Office Annual Report 2012-2013
Alternative Fuel Transportation
- Colorado Electric Vehicle Charging Permitting Study (May 2024)
- 2023 Colorado Residential EV Survey Results
- Medium- and Heavy-Duty Charging Infrastructure in the State of Colorado (May 2023)
- 2023 Colorado Electric Vehicle Plan (March 2023)
- Colorado EV Equity Study (2022); EV Equity Study Appendices
- Colorado Light-Duty Vehicle Electrification Study (2022)
- Community Access Enterprise Ten-Year Plan (2022) (Resumen ejecutivo [Español])
- Battery Energy Storage Systems (BESS) Study (2022)
- Opportunities for Low-Carbon Hydrogen in Colorado: A Roadmap
- Colorado Medium- and Heavy-Duty Vehicle Study (October 2021)
- Colorado Medium- and Heavy-Duty Vehicle Study - M/HD ZEV Analysis Methodology
Addendum (October 2021) - Colorado Charging Infrastructure Needs to Meet Electric Vehicle Goals (February 2021)
- EV Education and Awareness Roadmap (June 2020)
- Low Carbon Fuel Standard Feasibility Study (September 2020)
- Renewable Natural Gas (RNG) in Transportation: Colorado Market Study - 2019
- Life-Cycle Emissions and Costs of Medium- and Heavy-Duty Vehicles in Colorado
- Electric Vehicle Group Buy Programs: Handbook & Case Studies (July 2018)
- CNG Case Studies and CNG Case Studies Appendices
- Colorado NGV Market Implementation Study
- Colorado State Fleet Opportunity Assessment
- Electric Vehicle Market Implementation Study
- Electric Vehicle Costs and Consumer Benefits in Colorado in the 2020-2030 Time Frame
- DCFC Rate Design Study
- Xcel Energy Electric Vehicle Cost-Benefit Analysis
- Electric Vehicle Growth Analysis Results
Colorado
- Land Use and Climate Fact Sheet
- Pathways to Deep Decarbonization in Colorado's Electric Sector by 2040 and supplemental documents
- First Term Climate and Clean Energy Action Report (March 2023)
- Colorado Community Perspectives on Climate Change (2022) / Perspectivas de la comunidad de Colorado sobre el cambio climático (2022); Priority actions (próximamente versión en español)
- Land Use in Colorado Research Report (July 2022)
- Pathways to Energy Affordability in Colorado - January 2022
- Pathways to Energy Affordability in Colorado - Executive Summary - January 2022
- A Framework for Long-Term Gas Utility Planning in Colorado - October 2021
- Beneficial Electrification in Colorado: Market Potential - 2020
- Beneficial Electrification in Colorado: Market Barriers and Policy Recommendations - 2020
- Colorado Energy Assurance Emergency Plan - 2021
- COVID-19 Impacts to Propane Home Heating and Recommendations as directed by Executive Order D 2020 012 (April 2020)
- The Future of Energy Storage in Colorado - 2019
- STEM Natural Resources Survey
- Produced Water Beneficial Use Dialogue
- Colorado State Energy Report 2014
- SB13-252 Advisory Committee Final Report
- Colorado's Key Energy Industry Network Report
Energy Efficiency
- Colorado Residential Retrofit Energy District (CoRRED) Phase I
- Energy Efficiency and Electrification Best Practices for Oil and Gas Production - 2020
- Energy Use in the Colorado Cannabis Industry - 2018
- Colorado Commercial Energy Code Compliance Study - 2016, Pre-Study Determinations and Building Inspection Results
- An Early Look at Energy Efficiency and Contributory Value - 2015
Renewable Energy
- CEO Statewide Potential Study for the Implementation of Floating Solar Photovoltaic Arrays - 2019
- CEO Statewide Potential Study for the Implementation of Floating Solar Photovoltaic Arrays - FPV By County Appendix - 2019
- CEO Statewide Potential Study for the Implementation of Floating Solar Photovoltaic Arrays - FPV By Utility Appendix - 2019
- Insights from the CEO Low-Income Community Solar Demonstration Project - 2017
- CEO Recycled Energy Market Overview - Updated 2017
- CEO Recycled Energy Market Overview 2016
- Colorado Customer-Sited Energy Study
- GHG_Neutral_Report_FINAL_June_2016
- Coal Mine Methane Report 2016
- Low-Income Community Solar Report-CEO 2015
- Photovoltaic Systems Case Study
- Colorado Market Assessment of Agricultural Anaerobic Digesters
Hydropower
- Colorado PRV Hydropower Assessment
- Colorado Small Hydropower Handbook
- Small Hydro Case Studies: Town of Basalt and Bear River Ranch
Agriculture
- Colorado Agricultural Energy Market Research_Phase II_Final Report
- Colorado Market Assessment of Agricultural Anaerobic Digesters