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Performance analysis of an Integrated Solar Combined Cycle using Direct Steam Generation in parabolic trough collectors


  • Montes, M.J.
  • Rovira, A.
  • Muñoz, M.
  • Martínez-Val, J.M.


The contribution of solar thermal power to improve the performance of gas-fired combined cycles in very hot and dry environmental conditions is analyzed in this work, in order to assess the potential of this technique, and to feature Direct Steam Generation (DSG) as a well suited candidate for achieving very good results in this quest. The particular Integrated Solar Combined Cycle (ISCC) power plant proposed consists of a DSG parabolic trough field coupled to the bottoming steam cycle of a Combined Cycle Gas Turbine (CCGT) power plant. For this analysis, the solar thermal power plant performs in a solar dispatching mode: the gas turbine always operates at full load, only depending on ambient conditions, whereas the steam turbine is somewhat boosted to accommodate the thermal hybridization from the solar field.

Suggested Citation

  • Montes, M.J. & Rovira, A. & Muñoz, M. & Martínez-Val, J.M., 2011. "Performance analysis of an Integrated Solar Combined Cycle using Direct Steam Generation in parabolic trough collectors," Applied Energy, Elsevier, vol. 88(9), pages 3228-3238.
  • Handle: RePEc:eee:appene:v:88:y:2011:i:9:p:3228-3238 DOI: 10.1016/j.apenergy.2011.03.038

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    References listed on IDEAS

    1. Poullikkas, Andreas & Hadjipaschalis, Ioannis & Kourtis, George, 2010. "The cost of integration of parabolic trough CSP plants in isolated Mediterranean power systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 14(5), pages 1469-1476, June.
    2. Dersch, Jürgen & Geyer, Michael & Herrmann, Ulf & Jones, Scott A. & Kelly, Bruce & Kistner, Rainer & Ortmanns, Winfried & Pitz-Paal, Robert & Price, Henry, 2004. "Trough integration into power plants—a study on the performance and economy of integrated solar combined cycle systems," Energy, Elsevier, vol. 29(5), pages 947-959.
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