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Reducing demand charges and onsite generation variability using behind-the-meter energy storage

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

22 Scopus citations

Abstract

Electric utilities in the United States are increasingly employing demand charges and/or real-time pricing. Such directive is bringing potential opportunities in deploying behind-the-meter energy storage (BMES) systems for various grid applications. This study quantifies the techno-economic benefits of BMES in reducing demand charge and smoothing load/generation intermittencies, and determines how those benefits vary with different penetration of onsite photovoltaic. We proposed a two-stage control algorithm, whereby the first stage proactively determines the cost-optimal BMES configuration for reducing peak demands and demand charges and the second stage adaptively compensates intermittent generations and short load spikes that may otherwise increase the demand charges. The performance of the proposed algorithm is evaluated through a 24-hours time sweep simulation performed using data from a smart microgrid testbed at Idaho National Laboratory. The simulation results demonstrated that this research provides a simple and effective solution for peak shaving, demand charge reductions, and onsite photovoltaic variability smoothing.

Original languageEnglish
Title of host publication2016 IEEE Conference on Technologies for Sustainability, SusTech 2016
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages140-146
Number of pages7
ISBN (Electronic)9781479918010
DOIs
StatePublished - Apr 11 2017
Event4th IEEE Conference on Technologies for Sustainability, SusTech 2016 - Phoenix, United States
Duration: Oct 9 2016Oct 11 2016

Publication series

Name2016 IEEE Conference on Technologies for Sustainability, SusTech 2016

Conference

Conference4th IEEE Conference on Technologies for Sustainability, SusTech 2016
Country/TerritoryUnited States
CityPhoenix
Period10/9/1610/11/16

Keywords

  • Behind-the-meter
  • demand charges
  • energy storage
  • microgrid
  • onsite generation
  • two-stage control

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