Cited by 367Smart Grid Energy ManagementSmart Cities and TechnologiesIntegrated Energy Systems Optimization

A systematic review of the smart energy conservation system: From smart homes to sustainable smart cities

Kim, Hakpyeong, Choi, Heeju, Kang, Hyuna, An, Jongbaek, Yeom, Seungkeun, Hong, Taehoon·2021·Renewable and Sustainable Energy Reviews

Abstract

Abstract In recent years, smart cities have emerged with energy conservation systems for managing energy in cities as well as buildings. Although many studies on energy conservation systems of smart homes have already been conducted, energy management at the city level is still a challenge due to the various building types and complex infrastructure. Therefore, this paper investigated the research themes on smart homes and cities through a quantitative review and identified barriers to the progression of smart homes to sustainable smart cities through a qualitative review. Based on the results of the holistic framework of each domain (smart home and city) and the techno-functional barriers, this study suggests that the following innovative solutions be suitably applied to advanced energy conservation systems in sustainable smart cities: (i) construction of infrastructure for advanced energy conservation systems, and (ii) adoption of a new strategy for energy trading in distributed energy systems. Especially, to reflect consumer behavior and energy in sustainable smart cities, the following responses to future research challenges according to the “bottom-up approach (smart home level to smart city level)” are proposed: (i) development of real-time energy monitoring, diagnostics and controlling technologies; (ii) application of intelligent energy management technologies; and (iii) implementation of integrated energy network technologies at the city level. This paper is expected to play a leading role as a knowledge-based systematic guide for future research on the implementation of energy conservation systems in sustainable smart cities.

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Crossref · 10.1016/j.rser.2021.110755

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Authors
Kim, H., Choi, H., Kang, H., An, J., Yeom, S., & Hong, T.
Affiliations
Yonsei University (KR)
Corresponding author
Hong, Taehoon
Venue
Renewable and Sustainable Energy Reviews
Publisher
Elsevier BV
Published
2021-04
Volume
140
Pages
110755
ISSN
1364-0321 (ISSN-L)
OpenAlex
W3127982897
Cited by
367
References
185
Citations by year
2026: 29 · 2025: 65 · 2024: 95 · 2023: 87 · 2022: 71 · 2021: 20
FWCI
4.32
Type
journal article
Language
en
Open access
closed
Locations
  • Renewable and Sustainable Energy Reviews (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
Ministry of Land, Infrastructure and Transport
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Smart Grid Energy Management
  • Physical Sciences › Engineering › Media Technology › Smart Cities and Technologies
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Integrated Energy Systems Optimization
Keywords
home automation, smart sustainable cities, distributed energy systems, energy trade, real-time energy monitoring, smart energy management, consumer energy behavior

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