Eco-efficiency considering the issue of heterogeneity among power plants

Behrouz Arabi, Susila Munisamy, Ali Emrouznejad*, Mehdi Toloo, Mohammad Sadegh Ghazizadeh

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

43 Citations (Scopus)


One of the main objectives in restructuring power industry is enhancing the efficiency of power facilities. However, power generation industry, which plays a key role in the power industry, has a noticeable share in emission amongst all other emission-generating sectors. In this study, we have developed some new Data Envelopment Analysis models to find efficient power plants based on less fuel consumption, combusting less polluting fuel types, and incorporating emission factors in order to measure the ecological efficiency trend. We then applied these models to measuring eco-efficiency during an eight-year period of power industry restructuring in Iran. Results reveal that there has been a significant improvement in eco-efficiency, cost efficiency and allocative efficiency of the power plants during the restructuring period. It is also shown that despite the hydro power plants look eco-efficient; the combined cycle ones have been more allocative efficient than the other power generation technologies used in Iran.
Original languageEnglish
Pages (from-to)722-735
Number of pages14
Publication statusPublished - 15 Sept 2016


  • Data envelopment analysis
  • Eco-efficiency
  • Malmquist Luenberger
  • Power plants
  • Restructuring
  • Slacks-based model

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Pollution
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering


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