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Economical evaluation of electricity generation considering externalities

Author

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  • El-Kordy, M.N
  • Badr, M.A
  • Abed, K.A
  • Ibrahim, Said M.A

Abstract

The economics of renewable energy are the largest barrier to renewable penetration. Nevertheless, the strong desire to reduce environmental emissions is considered a great support for renewable energy sources. In this paper, a full analysis for the cost of the kWh of electricity generated from different systems actually used in Egypt is presented. Also renewable energy systems are proposed and their costs are analyzed. The analysis considers the external cost of emissions from different generating systems. A proposed large scale PV plant of 3.3MW, and a wind farm 11.25MW grid connected at different sites are investigated. A life cycle cost analysis for each system was performed using the present value criterion. The comparison results showed that wind energy generation has the lowest cost, followed by a combined cycle–natural gas fired system. A photovoltaic system still uses comparatively expensive technology for electricity generation; even when external costs are considered the capital cost of photovoltaic needs to be reduced by about 60% in order to be economically competitive.

Suggested Citation

  • El-Kordy, M.N & Badr, M.A & Abed, K.A & Ibrahim, Said M.A, 2002. "Economical evaluation of electricity generation considering externalities," Renewable Energy, Elsevier, vol. 25(2), pages 317-328.
    • Handle: RePEc:eee:renene:v:25:y:2002:i:2:p:317-328
    DOI: 10.1016/S0960-1481(01)00054-4
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