Efficiency improvements through combined heat and power for on-site distributed generation technologies

Shankar Karki, Manohar Kulkarni*, Michael D. Mann, Hossein Salehfar

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

With the evolution of electricity market transformation, there is a renewed interest in distributed generation (DG)—that has a promising role for mitigating technical, regulatory, and environmental constraints in the electricity sector. These benefits are further enhanced with the ability of such DG in heat recovery applications in which the waste heat is used to produce hot water, heat building space, drive absorption cooling, and supply other thermal energy needs in a commercial building or industrial process. This article identifies the efficiency gain and other environmental and economical benefits of using fossil fuel based DG under combined heat and power (CHP) application. Based on emission factors and operational performance of existing commercially available DG under both separate heat and power (SHP) and CHP applications, economic and environmental performance of such DG is analyzed and compared under different loading conditions characterized by different heat to power (HPR) ratios.

Original languageEnglish (US)
Pages (from-to)19-34
Number of pages16
JournalCogeneration and Distributed Generation Journal
Volume22
Issue number3
DOIs
StatePublished - Jan 1 2007

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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