Abstract
The techno-economic assessment of solar water heating (SWH) systems in the city of Astana, Kazakhstan, is presented. Active indirect solar collectors designed and manufactured by a local developer were considered in the analysis. This work makes evident that, despite the perception that unsubsidized solar technology is not cost-effective yet, implementation of SWH systems for private households might bring economic and environmental benefits to Kazakhstan when competing with electric heating systems. The study shows that a SWH system in a single-family home in Astana may produce 4.5 MWh of heating per year, reducing 56.3% the amount of electricity used by current heaters. The investment in a single-family home system with a cost of 1.5 M KZT leads to 9-year equity payback under current financial conditions in Kazakhstan, subject to 5% interest loan available for clean energy developers. Moreover, greenhouse gas emissions might be reduced in 3.3 tonnes of CO2 eq. annually per household.
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Acknowledgments
We thank faculty of the School of Engineering and Graduate School of Business of Nazarbayev University, who provided insight and expertise that greatly assisted this investigation.
We would also like to show our gratitude to Diaz Baiseitov, director of Technopark NURIS, for providing us with all required information about the SWH system from KunTech LLP.
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Absemetov, A., Mukushev, M., Yerubayev, A., Zhumanalina, Z., Rojas-Solórzano, L. (2018). Effectiveness and Prospects of Implementing a Solar Water Heating System in Astana, Kazakhstan. In: Nižetić, S., Papadopoulos, A. (eds) The Role of Exergy in Energy and the Environment. Green Energy and Technology. Springer, Cham. https://doi.org/10.1007/978-3-319-89845-2_42
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DOI: https://doi.org/10.1007/978-3-319-89845-2_42
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