The role of electricity tariff design in distributed energy resource deployment

Elisheba Spiller, Ricardo Esparza, Kristina Mohlin, Karen Tapia-Ahumada and Burcin Unel

Energy Economics, 2023, vol. 120, issue C

Abstract: This paper simulates the effect of more advanced residential electricity tariffs on household adoption of distributed energy resources (DERs). We employ an end-user DER investment and operational engineering optimization model, and adapt it to include an economic utility function, calibrated to the observed hourly residential electricity consumption data from 2016 in the Commonwealth Edison service territory in Chicago, in order to represent household-level preferences for electricity consumption. We simulate the effect of a spectrum of electricity tariffs, from the status quo flat volumetric tariffs to more sophisticated tariffs that are reflective of electricity generation and distribution system costs. We find that tariffs that are more time variant lead to greater adoption of DERs, helping further reduce peak demands above and beyond the reductions that are achieved through shifts in consumption. Regarding the effect of electricity tariff design on DER investments, we find that given DER purchase costs in 2016, investments in rooftop photovoltaic (PV) and batteries are not privately optimal under any of our tariff design scenarios based on 2016 cost levels for electricity and gas in the Chicago study area. However, with continued reductions in PV technology costs, rooftop PV may see a greater adoption rate under some of the more cost-reflective tariffs. We also demonstrate a greater incentive to invest in electrification of household space heating in the form of heat pumps under cost-reflective tariffs. These findings provide insights on electricity tariff design and the role of DERs in the future decarbonized electricity system, and highlight the need to consider region-specific costs and conditions when analyzing the effects of electric tariff reform.

Keywords: Electricity pricing; Time-variant pricing; Engineering simulations; Distributed energy resources (search for similar items in EconPapers)
JEL-codes: Q4 Q5 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:eneeco:v:120:y:2023:i:c:s0140988322006296

DOI: 10.1016/j.eneco.2022.106500

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