Asia Pacific Journal of Information Systems (APJIS)

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Current Issue

Date	June 2017
Vol. No.	Vol. 27 No. 2
DOI	https://doi.org/10.14329/apjis.2017.27.2.99
Page	99~125
Title	An Operations Model for Home Energy Management System Considering an Energy Storage System and Consumer Utility in a Smart Grid
Author	Juhyeon Kang, Yongma Moon
Keyword	Energy Management System, Energy Storage System (ESS), Consumer Utility, Smart Grid
Abstract	In this study, we propose an operations model to automate a home energy management system (HEMS) that utilizes an energy storage system (ESS) in consideration of consumer utility. Most previous studies focused on the system for the profits obtained from trading charged energy using large-scale ESS. By contrast, the present study focuses on constructing a home-level energy management system that considers consumer’s utility over energy consumption. Depending on personal preference, some residential consumers may prefer consuming additional energy to earn increased profits through price arbitrage and vice versa. However, the current system could not yet reflect on this aspect. Thus, we develop an operations model for HEMS that could automatically control energy consumption while considering the level of consumer’s preference and the economic benefits of using an ESS. The results of simulations using a dataset of the Korean market show that an operations policy of charging and discharging can be changed depending on consumer’s utility. The impact of this policy is not ignorable. Moreover, the technical specifications of ESS, such as self-discharge rate and round-trip efficiency, can affect the operations policy and automation of HEMS.

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