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  • Comments to Colorado PUC on Valuing Distributed Energy Resources

    The Colorado Public Utilities Commission (PUC) is exploring options for valuing distributed energy resources (DERs) in various contexts, including infrastructure planning, performance-based ratemaking, and others. We submitted comments identifying metrics that capture the value of DERs and suggesting how the PUC can employ those metrics to maximize benefits to the grid and society.

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  • Comments to the Colorado Public Utilities Commission on Electricity Rule Changes

    The Colorado Public Utilities Commission is amending its rules relating to utilities, electric resource planning, and renewable energy standards. We submitted comments explaining why the Commission should use Social Cost of Greenhouse Gases estimates to monetize the externalities of carbon pollution. Our recommendations include rule revisions and new language that will help include monetized estimates of climate impacts in all relevant decisionmaking. We also submitted comments and reply comments on additional rule revisions, building on our original comments to further describe how the Commission can best express and apply the Social Cost of Greenhouse Gases.

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  • Comments to Colorado on Participation in Centralized Electricity Markets

    The Colorado Public Utilities Commission is evaluating different options for electric utility participation in centralized electricity markets, as part of the Colorado Transmission Coordination Act. We submitted comments encouraging the Commission to move the state to a centralized market, which would help accomplish energy goals and would benefit generators, utilities, and customers.

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  • Comments on Colorado’s Use of the Social Cost of Greenhouse Gases

    The Colorado Public Utilities Commission (CPUC) proposed rule revisions to a recent clean energy bill, providing more information on how social cost of greenhouse gases (SCGG) estimates will be used. We submitted comments encouraging best practices for SCGG application that will help CPUC monetize climate externalities and weigh the costs and benefits of various decisions.

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  • Comments on Connecticut’s Proposed Value Categories for Distributed Energy Resources

    The Connecticut Department of Energy and Environmental Protection (DEEP) and Public Utilities Regulatory Authority (PURA) have proposed several quantitative and qualitative value categories it intends to examine in its study of the value of DERs. We submitted comments supporting their inclusion of avoided emissions costs, which covers both greenhouse gas emissions and ambient air pollutants, as a value category. We also encourage DEEP and PURA to include electricity system resilience among the quantifiable benefits of DER deployment.

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  • Expert Report on Colorado’s Zero Emission Vehicle Program

    Peter Howard and Jason Schwartz provided an expert report on Colorado’s Zero Emission Vehicle program, which will reduce millions of tons of greenhouse gas emissions annually. They demonstrate how the program’s climate benefits can be monetized and how those estimates can provide useful context for decisionmakers and the public.

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  • Colorado Senate Testimony on the Social Cost of Carbon

    Colorado is considering a major overhaul of its electric resource planning rules and renewable energy standards. Jason Schwartz recently provided testimony in a Senate hearing on the reauthorization of the state’s Public Utilities Commission as part of this overhaul. Schwartz spoke about a possible requirement for the PUC to weigh the social costs of pollution in its decisions. Coloradoans, he explained, are paying the costs of climate pollution in the form of more dangerous wildfires, agricultural damages, declining snowpack, and a range of severe health effects. Many of these important costs can be quantified. In his testimony, Schwartz recommended that the PUC uses Social Cost of Greenhouse Gases metrics when evaluating energy resources in order to improve public welfare.

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  • Comments to the Colorado Public Utilities Commission on Electric Resource Planning

    We recently submitted comments about to the Colorado Public Utilities Commission, which is reviewing its rules on electric resource planning (“ERP”). Our comments aim is to ensure that a proper valuation of externalities is integrated into Colorado’s ERP process, and we suggest using the Social Cost of Carbon to monetize greenhouse gas externalities.

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