Thermodynamic Evaluation of Solar Integration into a Natural Gas Combined Cycle Power Plant

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Abstract

The term integrated solar combined-cycle (ISCC) has been used to define the combination of solar thermal energy into a natural gas combined-cycle (NGCC) power plant. Based on a detailed thermodynamic cycle model for a reference ISCC plant, the impact of solar addition is thoroughly evaluated for a wide range of input parameters such as solar thermal input and ambient temperature. It is shown that solar hybridization into an NGCC plant may give rise to a substantial benefit from a thermodynamic point of view. The work here also indicates that a significant solar contribution may be achieved in an ISCC plant, thus implying substantial fuel savings and environmental benefits.

Original languageAmerican English
Pages (from-to)815-824
Number of pages10
JournalRenewable Energy
Volume74
DOIs
StatePublished - 2015

Bibliographical note

Publisher Copyright:
© 2014.

NREL Publication Number

  • NREL/JA-5500-60670

Keywords

  • Concentrating solar power
  • Integrated solar combined cycle
  • Solar hybridization
  • Thermodynamic analysis

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