Financial appraisal of using Scheffler dish for steam based institutional solar cooking in India

Sunil Indora and Tara C. Kandpal

Renewable Energy, 2019, vol. 135, issue C, 1400-1411

Abstract: An assessment of the financial attractiveness of using Scheffler dish for solar steam cooking at institutional/community level in India is presented. Three sizes of institutional kitchens, i.e. small (200 persons), medium (500 persons) and large (1000 persons) have been considered. Aperture area of solar energy collection, the investment required and consequently the values of several measures of financial performance for small, medium, and large-sized Scheffler dish based institutional solar steam cooking systems have been estimated. The assessment of the annual amount of steam generation has been carried out at over thirty different locations in the country (capital city of each state of India). The annual amount of steam generated is estimated to vary between 583 and 1072 kg per m2 of the aperture area of the Scheffler dish. As expected, the financial attractiveness of the Scheffler dish based solar steam cooking system changes with the locations. The lowest values of the estimated discounted payback period are 9, 7 and 6 years respectively, for small, medium and large-sized institutional kitchens. Large-sized solar steam cooking systems are financially more attractive essentially due to the economy of scale in the capital cost of these system.

Keywords: Scheffler dish; Institutional solar cooking; Solar steam cooking; Financial performance (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:135:y:2019:i:c:p:1400-1411

DOI: 10.1016/j.renene.2018.09.067

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