Cost analysis of solar thermal power generators based on parabolic dish and micro gas turbine: Manufacturing, transportation and installation

Giacomo Gavagnin, David Sánchez, Gonzalo S. Martínez, José M. Rodríguez and Antonio Muñoz

Applied Energy, 2017, vol. 194, issue C, 108-122

Abstract: This paper presents a detailed cost analysis of a small-scale Concentrated Solar Power (CSP) generator based on parabolic dish collectors and Micro Gas Turbines (mGT), whose technical feasibility was already demonstrated in previous publications by the consortium. The system can be used for either electric power or combined heat and power generation, whether operating on solar energy only or with fossil fuel backup. Accounting for manufacturing, transportation and erection costs, and with manufacturing cost functions sensitive to system size and production volume, a single-shaft recuperated engine with different technological levels (low and high performance specifications) is considered. The results show that the specific cost of the base-case low performance system (1000units/year) is slightly lower than 3300€/kWe but can be reduced by 27.3% if the annual production rate is multiplied by ten, or 40.4% if it is multiplied by a thousand. This cost is lower than that of dish-Stirling systems but higher than for photovoltaic panels, even if at very high production volumes. Furthermore, the utilisation of high performance specifications reduces the cost of the system to 2500€/kWe thanks to a substantial reduction of the size of the dish. At this cost level, the system has the potential to become competitive against photovoltaics under favourable environmental, political and market conditions.

Keywords: Concentrated Solar Power; Micro gas turbine; Dish collector; Cost (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (11)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:194:y:2017:i:c:p:108-122

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DOI: 10.1016/j.apenergy.2017.02.052

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