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CHP-Inclusive RES Policy in Arizona

The U.S. state of Arizona established an RES with a target of 15% of energy provided by renewables by 2025 (DSIRE). Arizona later revised its policy to include a separate but related standard termed Energy Efficiency Resource Standards (EERS), which considers energy efficiency in meeting standards (EPA-CHP 2016). Only CHP that utilizes biomass is eligible for credits under the RES, but non-biomass-fueled CHP may be eligible for the EERS, depending on the technology (EPA-CHP 2016). This is in contrast to some states such as Massachusetts, which does not specify biomass-fueled CHP (MA-DOER 2011).