Decision support model for establishing the optimal energy retrofit strategy for existing multi-family housing complexes

Taehoon Hong, Choongwan Koo, Hyunjoong Kim, Hyo Seon Park

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

The number of multi-family housing complexes (MFHCs) over 15yr old in South Korea is expected to exceed 5 million by 2015. Accordingly, the demand for energy retrofit in the deteriorating MFHCs is rapidly increasing. This study aimed to develop a decision support model for establishing the optimal energy retrofit strategy for existing MFHCs. It can provide clear criteria for establishing the carbon emissions reduction target (CERT) and allow efficient budget allocation for conducting the energy retrofit. The CERT for "S" MFHC, one of MFHCs located in Seoul, as a case study, was set at 23.0% (electricity) and 27.9% (gas energy). In the economic and environmental assessment, it was determined that scenario #12 was the optimal scenario (ranked second with regard to NPV40 (net present value at year 40) and third with regard to SIR40 (saving to investment ratio at year 40). The proposed model could be useful for owners, construction managers, or policymakers in charge of establishing energy retrofit strategy for existing MFHCs. It could allow contractors in a competitive bidding process to rationally establish the CERT and select the optimal energy retrofit strategy. It can be also applied to any other country or sector in a global environment.

Original languageEnglish
Pages (from-to)157-169
Number of pages13
JournalEnergy Policy
Volume66
DOIs
Publication statusPublished - 2014 Mar 1

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carbon emission
energy
Carbon
environmental assessment
Contractors
decision
family
electricity
Managers
Electricity
Economics
Gases
economics
gas
emission reduction

All Science Journal Classification (ASJC) codes

  • Energy(all)
  • Management, Monitoring, Policy and Law

Cite this

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Decision support model for establishing the optimal energy retrofit strategy for existing multi-family housing complexes. / Hong, Taehoon; Koo, Choongwan; Kim, Hyunjoong; Seon Park, Hyo.

In: Energy Policy, Vol. 66, 01.03.2014, p. 157-169.

Research output: Contribution to journalArticle

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