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Thermoeconomic optimization of a combined-cycle solar tower power plant

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  • Spelling, James
  • Favrat, Daniel
  • Martin, Andrew
  • Augsburger, Germain

Abstract

A dynamic model of a pure-solar combined-cycle power plant has been developed in order to allow determination of the thermodynamic and economic performance of the plant for a variety of operating conditions and superstructure layouts. The model was then used for multi-objective thermoeconomic optimization of both the power plant performance and cost, using a population-based evolutionary algorithm. In order to examine the trade-offs that must be made, two conflicting objectives will be considered, namely minimal investment costs and minimal levelized electricity costs. It was shown that efficiencies in the region of 18–24% can be achieved, and this for levelized electricity costs in the region of 12–24 UScts/kWhe, depending on the magnitude of the initial investment, making the system competitive with current solar thermal technology.

Suggested Citation

  • Spelling, James & Favrat, Daniel & Martin, Andrew & Augsburger, Germain, 2012. "Thermoeconomic optimization of a combined-cycle solar tower power plant," Energy, Elsevier, vol. 41(1), pages 113-120.
    • Handle: RePEc:eee:energy:v:41:y:2012:i:1:p:113-120
    DOI: 10.1016/j.energy.2011.03.073
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    References listed on IDEAS

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    1. Singh, Harmeet & Saini, R.P. & Saini, J.S., 2010. "A review on packed bed solar energy storage systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 14(3), pages 1059-1069, April.
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