The importance of peak pricing in realizing system benefits from distributed storage

Luke Lavin and Jay Apt

Energy Policy, 2021, vol. 157, issue C

Abstract: A fundamental policy question for distributed energy resources (DER) is whether they create system benefits shared by all utility customers in addition to being profitable for the installing customer. This question has received considerable attention in “value of DER” and net metering reform proceedings for behind-the-meter solar photovoltaics in recent years. Commercial customer-sited lithium-ion batteries with a primary use case of demand charge management are forecast to greatly increase in the coming decade due to falling storage costs, making comparison of their customer and system benefits a timely topic in DER valuation. We conduct an overview of the system benefits of standalone commercial customer-sited storage on United States’ electric tariffs and find system benefits will not be realized for many standalone commercial customer-sited storage installations in the absence of incentives for storage dispatch during the top 50–100 annual hours that drive grid infrastructure investment. Regulatory implementation of default peak pricing during a small subset of annual hours for customer-sited storage can realize additional system benefits and offer Pareto improvement. Additional transparency in regulatory estimates of these system benefits helps catalyze longer-term visions for increased competition at the retail level using DERs.

Keywords: Avoided costs; Critical peak pricing; Demand charges; Distributed energy resources; Energy storage; Rate design (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:enepol:v:157:y:2021:i:c:s0301421521003542

DOI: 10.1016/j.enpol.2021.112484

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