System dynamics modelling of hybrid renewable energy systems and combined heating and power generator

Krishna R. Reddi, Weilin Li, Bochao Wang, Young Moon

Research output: Contribution to journalArticlepeer-review

32 Scopus citations


The role of energy in the present world is critical in terms of both economical development and environmental impact. Renewable energy sources are considered essential in addressing these challenges. As a result, a growing number of organisations have been adopting hybrid renewable energy system (HRES) to reduce their environmental impact and sometimes take advantage of various incentives. When a HRES is being planned, the ability to model a HRES can provide an organisation with numerous benefits including the capability of optimising sub-systems, predicting performances and carrying out sensitivity analysis. In this paper, we present a comprehensive system dynamics model of HRES and combined heating and power (CHP) generator. Data from a manufacturing company using HRES and CHP generator are used to validate the model and discuss important findings. The results illustrate that the components of a HRES can have conflicting effects on cost and environmental benefits; thus, there is a need for an organisation to make trade-off decisions. The model can be a platform to further simulate and study the composition and operating strategies of organisations that are venturing to adopt new or additional HRESs.

Original languageEnglish (US)
Pages (from-to)31-47
Number of pages17
JournalInternational Journal of Sustainable Engineering
Issue number1
StatePublished - 2013
Externally publishedYes


  • combined heating and power generator
  • hybrid renewable energy systems
  • modelling and simulation
  • system dynamics

ASJC Scopus subject areas

  • General Engineering


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