The Colorado Public Utilities Commission approved our Phase I Colorado Clean Energy Plan (external link) in 2022. As one of the nation’s leading clean energy plans, it will:
To help deliver on our Clean Energy Plan, we launched a competitive bid process (PDF) in late 2022 soliciting new generation resources and received more than 1,000 energy project proposals from developers. After working with a third-party independent evaluator to validate findings and review bids, we submitted several project portfolios to the Commission for consideration in September 2023, in what is known as the “120-Day Report.”
In January 2024, the Commission approved Phase II of our Clean Energy Plan (PDF). The approved portfolio will add approximately 6,100 megawatts of new generation, making it the largest clean energy portfolio in state history by significantly increasing the amount of renewable energy on our system, and will also invest $12 to $13 billion across Colorado. Implementing this plan is an important step towards achieving a carbon-free future and brings forward new projects that will help achieve our carbon emission reduction.
Learn more about our clean energy efforts (external link)
Filing materials related to this filing are available below. You can also follow the proceedings and access electronic filings at the Colorado Public Utilities Commission electronic filings page (external link). Search for docket number 21A-0141E.
Filed 9/18/2023
PUBLIC 2021 ERP & CEP 120 Day Report (PDF)
Appendix A - Phase II EnCompass Model Run Matrix (PDF)
Appendix B - Independent Evalutaor Coordination (PDF)
Appendix C - Phase II Process Overview (PDF)
Appendix D - Phase II Updated Modeling Inputs & Assumptions (PDF)
Appendix E - Reliability Rubric (PDF)
PUBLIC Appendix F - DTA Treatment Response to C23-0522-I (PDF)
Appendix G - PCDA Process (PDF)
PUBLIC Appendix H - PCDA Bids Milestone Payments (PDF)
Appendix I - BVEM Scoring Methodology (PDF)
PUBLIC Appendix J - BVEM Scorecard (XLSX)
PUBLIC Appendix K - Best Value Employment Metrics Slip Sheet (PDF)
Appendix L - DI Communities Map (PDF)
PUBLIC Appendix M - Illustrative PPA Credit Model (PDF)
Appendix N - Klotz and Newman Whitepaper (PDF)
PUBLIC Appendix O - Comanche 3 O&M Model Inputs Slip Sheet (PDF)
PUBLIC Appendix P - Bids Advanced to Computer-Based Modeling (PDF)
PUBLIC Appendix Q - Transmission Report (PDF)
Appendix R - Heat Map Graphics (PDF)
PUBLIC Appendix S - Portfolion Summary and Details (SCC & 0CO2) (PDF)
PUBLIC Appendix T - Portfolio Annual Costs and Emmissions (PDF)
PUBLIC Appendix U - Portfolio Sensitivities Summary and Details (PDF)
Appendix V - Portfolion Sensitivities Annual Costs and Emmissions (PDF)
Appendix W - Annual Nominal Cash Flows (executable) (XLSX)
Filed March 31, 2021
Volume 1 – Plan Overview (PDF)
Volume 2 – Technical Appendix (PDF)
Volume 3.1 – Dispatchable Resources RFP (PDF)
Volume 3.2 – Renewable Resources RFP (PDF)
Volume 3.3 – Company Ownership Resources RFP (PDF)
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