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Energy-Saving and CO 2 -Emissions-Reduction Potential of a Fuel Cell Cogeneration System for Condominiums Based on a Field Survey.

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Title: Energy-Saving and CO 2 -Emissions-Reduction Potential of a Fuel Cell Cogeneration System for Condominiums Based on a Field Survey.
Authors: Yoshida, Kazui1,2 (AUTHOR) g1993105@tcu.ac.jp, Rijal, Hom B.1 (AUTHOR) bogakik@tcu.ac.jp, Bohgaki, Kazuaki1 (AUTHOR), Mikami, Ayako3 (AUTHOR) a-mikami@tokyo-gas.co.jp, Abe, Hiroto4 (AUTHOR) abe@teamnet.co.jp
Source: Energies (19961073). Oct2021, Vol. 14 Issue 20, p6611-6611. 1p.
Subject Terms: *Electric power consumption, *Electric power production, *Condominiums, *Energy management, *Carbon dioxide, *Energy consumption, *Fuel cells
Abstract: A residential cogeneration system (CGS) is highlighted because of its efficient energy usage on both the supplier and consumer sides. It generates electricity and heat simultaneously; however, there is insufficient information on the efficiency according to the condition of usage. In this study, we analysed the performance data measured by the home energy management system (HEMS) and the lifestyle data of residents in a condominium of 356 flats where fuel cell CGS was installed in each flat. The electricity generated by CGS contributed to an approximately 12% reduction in primary energy consumption and CO2 emission, and the rate of generation by the CGS in the electric power demand (i.e., contribution rate) was approximately 38%. The electricity generation was mainly affected by the use of electricity up to 4 MWh/household/year. Gas or water use also impacted electric power generation, with water use as the primary factor affecting the contribution rate. Electric power generation changes monthly, mainly based on the water temperature. From these results, we confirmed that a CGS has substantial potential to reduce energy consumption and CO2 emission in condominiums. Thus, it is recommended for installation of fuel cell CGS in existing and new buildings to contribute to the energy-saving target of the Japanese Government in the residential sector. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 153248828
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
  Group: Ti
  Data: Energy-Saving and CO 2 -Emissions-Reduction Potential of a Fuel Cell Cogeneration System for Condominiums Based on a Field Survey.
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  Data: <searchLink fieldCode="AR" term="%22Yoshida%2C+Kazui%22">Yoshida, Kazui</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> g1993105@tcu.ac.jp</i><br /><searchLink fieldCode="AR" term="%22Rijal%2C+Hom+B%2E%22">Rijal, Hom B.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> bogakik@tcu.ac.jp</i><br /><searchLink fieldCode="AR" term="%22Bohgaki%2C+Kazuaki%22">Bohgaki, Kazuaki</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mikami%2C+Ayako%22">Mikami, Ayako</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> a-mikami@tokyo-gas.co.jp</i><br /><searchLink fieldCode="AR" term="%22Abe%2C+Hiroto%22">Abe, Hiroto</searchLink><relatesTo>4</relatesTo> (AUTHOR)<i> abe@teamnet.co.jp</i>
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  Data: <searchLink fieldCode="JN" term="%22Energies+%2819961073%29%22">Energies (19961073)</searchLink>. Oct2021, Vol. 14 Issue 20, p6611-6611. 1p.
– Name: Subject
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  Data: *<searchLink fieldCode="DE" term="%22Electric+power+consumption%22">Electric power consumption</searchLink><br />*<searchLink fieldCode="DE" term="%22Electric+power+production%22">Electric power production</searchLink><br />*<searchLink fieldCode="DE" term="%22Condominiums%22">Condominiums</searchLink><br />*<searchLink fieldCode="DE" term="%22Energy+management%22">Energy management</searchLink><br />*<searchLink fieldCode="DE" term="%22Carbon+dioxide%22">Carbon dioxide</searchLink><br />*<searchLink fieldCode="DE" term="%22Energy+consumption%22">Energy consumption</searchLink><br />*<searchLink fieldCode="DE" term="%22Fuel+cells%22">Fuel cells</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: A residential cogeneration system (CGS) is highlighted because of its efficient energy usage on both the supplier and consumer sides. It generates electricity and heat simultaneously; however, there is insufficient information on the efficiency according to the condition of usage. In this study, we analysed the performance data measured by the home energy management system (HEMS) and the lifestyle data of residents in a condominium of 356 flats where fuel cell CGS was installed in each flat. The electricity generated by CGS contributed to an approximately 12% reduction in primary energy consumption and CO2 emission, and the rate of generation by the CGS in the electric power demand (i.e., contribution rate) was approximately 38%. The electricity generation was mainly affected by the use of electricity up to 4 MWh/household/year. Gas or water use also impacted electric power generation, with water use as the primary factor affecting the contribution rate. Electric power generation changes monthly, mainly based on the water temperature. From these results, we confirmed that a CGS has substantial potential to reduce energy consumption and CO2 emission in condominiums. Thus, it is recommended for installation of fuel cell CGS in existing and new buildings to contribute to the energy-saving target of the Japanese Government in the residential sector. [ABSTRACT FROM AUTHOR]
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=enr&AN=153248828
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        Value: 10.3390/en14206611
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      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: 6611
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      – SubjectFull: Electric power consumption
        Type: general
      – SubjectFull: Electric power production
        Type: general
      – SubjectFull: Condominiums
        Type: general
      – SubjectFull: Energy management
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      – SubjectFull: Carbon dioxide
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      – SubjectFull: Energy consumption
        Type: general
      – SubjectFull: Fuel cells
        Type: general
    Titles:
      – TitleFull: Energy-Saving and CO 2 -Emissions-Reduction Potential of a Fuel Cell Cogeneration System for Condominiums Based on a Field Survey.
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            NameFull: Yoshida, Kazui
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            NameFull: Rijal, Hom B.
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            NameFull: Bohgaki, Kazuaki
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            NameFull: Mikami, Ayako
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              Text: Oct2021
              Type: published
              Y: 2021
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              Value: 14
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              Value: 20
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            – TitleFull: Energies (19961073)
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