The hybridization of combined-cycle power plants with solar energy is an attractive means of reducing carbon dioxide (CO2) emissions from gas-based power generation. However, the construction of the first generation of commercial hybrid power plants will present the designer with a large number of choices. To assist decision making, a thermo-economic study has been performed for three different hybrid power plant configurations, including both solar thermal and photovoltaic hybridization options. Solar photovoltaic combined-cycle (SPVCC) power plants were shown to be able to integrate up to 63% solar energy on an annual basis, whereas hybrid gas turbine combined-cycle (HGTCC) systems provide the lowest cost of solar electricity, with costs only 2.1% higher than a reference, unmodified combined-cycle power plant. The integrated solar combined-cycle (ISCC) configuration has been shown to be economically unattractive.
Thermo-Economic Evaluation of Solar Thermal and Photovoltaic Hybridization Options for Combined-Cycle Power Plants
Contributed by the Electric Power Committee of ASME for publication in the JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER. Manuscript received July 22, 2014; final manuscript received July 23, 2014; published online October 7, 2014. Editor: David Wisler.
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Spelling, J., and Laumert, B. (October 7, 2014). "Thermo-Economic Evaluation of Solar Thermal and Photovoltaic Hybridization Options for Combined-Cycle Power Plants." ASME. J. Eng. Gas Turbines Power. March 2015; 137(3): 031801. https://doi.org/10.1115/1.4028396
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