Colorado Air Quality Control Commission to Use Social Cost of Greenhouse Gases in Economic Analysis

  • Application

    Economic analysis of rules that affect greenhouse gas emissions.

  • Date

    June 2021
  • Details

    June 2021, the Colorado General Assembly passed a bill requiring the state's air regulator, the Colorado Air Quality Control Commission, to use the social cost of greenhouse gases when conducting economic analysis for certain rules that "may materially affect greenhouse gas emissions." 1 Furthermore, the Commission "must use the most recent assessment of the social cost for those greenhouse gases for which the federal government has determined the cost," applying a 2.5% discount rate.

  • SCC Value(s)

    No lower than the 2016 IWG social cost of carbon, methane, and nitrous oxide at the 2.5% discount rate.

  • Legal Authority

    Colo. Rev. Stat. § 25-7-110.5(4)

  1. Colo. House Bill 21-1266, Sec. 16 (amending Colo. Rev. Stat. § 25-7-110.5(4), June 8, 2021. ↩︎

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