Role of polygeneration in sustainable energy system development challenges and opportunities from optimization viewpoints

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Abstract

A sustainable energy system can be treated as a development of the distributed generation concept. It meets energy demands locally from renewable energy or/and high-efficiency polygeneration production technologies, and is characterized by energy and cost efficiency, reliability, and environmental-friendliness.

Distributed energy systems typically use renewable energy resources to supply all energy demands, such as heat, cooling, and electric power in an integrated way. However, it seems that too much emphasis is placed on power and associated renewable energy-based power technologies for dealing with sustainability issues in public discussion and the research community. Often, equally important thermal energy (heat and cooling) and polygeneration are ignored. Polygeneration is an energy-efficient technology for generating simultaneously heat and power as well as other energy products in a single integrated process. Energy efficiency contributes significantly to CO2 emission reduction.

This paper discusses the role of polygeneration in a distributed energy system and the contributions of polygeneration to the development of sustainable energy systems. The paper also stresses that efficient decision support tools for sustainable polygeneration systems are important to achieve sustainability. First, the joint characteristic of a polygeneration plant that defines the dependency between different energy products is reviewed. Then, typical methods for dealing with polygeneration systems are reviewed. The review attempts to highlight the complexity of polygeneration systems and potential of polygeneration systems to adjust output of different energy products. Next, the challenges of sustainable polygeneration energy systems are discussed. Then some practices for operating polygeneration plants are discussed. (C) 2015 Elsevier Ltd. All rights reserved.

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Original languageEnglish
Pages (from-to)363-372
Number of pages10
JournalRenewable and Sustainable Energy Reviews
Volume53
Publication statusPublished - Jan 2016
MoE publication typeA1 Journal article-refereed

    Research areas

  • Polygeneration, Energy efficiency, Distributed energy system, Sustainable energy system, POTENTIALLY VIABLE OPTION, POWER PRODUCTION, COMBINED HEAT, SMALL-SCALE, DISTRIBUTED MULTIGENERATION, DEVELOPING-COUNTRIES, TECHNOLOGIES, ALGORITHM, MODEL, TRIGENERATION

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