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An open-source optimization tool for solar home systems: A case study in Namibia
Mälardalen University, School of Business, Society and Engineering, Future Energy Center.ORCID iD: 0000-0002-1351-9245
Mälardalen University, School of Business, Society and Engineering, Future Energy Center.
Mälardalen University, School of Business, Society and Engineering, Future Energy Center.
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2016 (English)In: Energy Conversion and Management, ISSN 0196-8904, E-ISSN 1879-2227, Vol. 130, no 15, 106-118 p.Article in journal (Refereed) Published
Abstract [en]

Solar home systems (SHSs) represent a viable technical solution for providing electricity to households and improving standard of living conditions in areas not reached by the national grid or local grids. For this reason, several rural electrification programmes in developing countries, including Namibia, have been relying on SHSs to electrify rural off-grid communities. However, the limited technical know-how of service providers, often resulting in over- or under-sized SHSs, is an issue that has to be solved to avoid dissatisfaction of SHSs’ users. The solution presented here is to develop an open-source software that service providers can use to optimally design SHSs components based on the specific electricity requirements of the end-user. The aim of this study is to develop and validate an optimization model written in MS Excel-VBA which calculates the optimal SHSs components capacities guaranteeing the minimum costs and the maximum system reliability. The results obtained with the developed tool showed good agreement with a commercial software and a computational code used in research activities. When applying the developed optimization tool to existing systems, the results identified that several components were incorrectly sized. The tool has thus the potentials of improving future SHSs installations, contributing to increasing satisfaction of end-users.

Place, publisher, year, edition, pages
2016. Vol. 130, no 15, 106-118 p.
Keyword [en]
Namibia, Open-source, Optimization, Rural electrification, Solar home system, Developing countries, Electric power transmission networks, Electric utilities, Energy utilization, Open source software, Rural areas, Software engineering, Solar buildings, Technology transfer, Commercial software, Computational codes, Open sources, Optimization modeling, Technical know hows, Open systems
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-33694DOI: 10.1016/j.enconman.2016.10.003ISI: 000389109500010ScopusID: 2-s2.0-84993950062OAI: oai:DiVA.org:mdh-33694DiVA: diva2:1047410
Available from: 2016-11-17 Created: 2016-11-17 Last updated: 2016-12-28Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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  • modern-language-association-8th-edition
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More styles
Language
  • de-DE
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