The hybridization of combined-cycle power plants with solar energy is an attractive means of reducing carbon dioxide 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 thermoeconomic study has been performed for three different hybrid power plant configurations, including both solar thermal and photovoltaic hybridization options. Solar photovoltaic combined-cycle power plants were shown to be able to integrate up to 63 % solar energy on an annual basis, whereas hybrid gas-turbine combined-cycle 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 configuration has been shown to be economically unattractive.
- International Gas Turbine Institute
Thermoeconomic Evaluation of Solar Thermal and Photovoltaic Hybridization Options for Combined-Cycle Power Plants
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Spelling, J, & Laumert, B. "Thermoeconomic Evaluation of Solar Thermal and Photovoltaic Hybridization Options for Combined-Cycle Power Plants." Proceedings of the ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. Volume 3A: Coal, Biomass and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration. Düsseldorf, Germany. June 16–20, 2014. V03AT09A001. ASME. https://doi.org/10.1115/GT2014-25173
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