Charafeddine Mokhtara
Optimal design of grid-connected rooftop PV systems: An overview and a new approach with application to educational buildings in arid climates
Mokhtara, Charafeddine; Negrou, Belkhir; Settou, Noureddine; Bouferrouk, Abdessalem; Yao, Yufeng
Authors
Belkhir Negrou
Noureddine Settou
Abdesselam Bouferrouk Abdessalem.Bouferrouk@uwe.ac.uk
Senior Lecturer in Engineering
Yufeng Yao Yufeng.Yao@uwe.ac.uk
Professor in Aerospace Engineering
Abstract
Recently, rooftop photovoltaic (PV) systems are widely deployed due to their technical, economic and socio-environmental benefits. This paper presents a new design approach, which combines spatial analysis with techno-economic optimization for a robust design and evaluation of the technical and economic potential of grid-connected rooftop PV (GCR-PV) systems, focusing on educational buildings in arid environments. A university campus in Ouargla province in Algeria is selected as a test-bed in this work. The main objectives of this work are to reduce the cost of energy (COE), grid dependency and CO2 emissions, and even contribute to limit grid blackouts in the building location. Ecotect software, ArcGIS, and HOMER optimizer were therefore used to achieve the contributions of this work. The findings reveal that 60% of the overall roof area is optimally suitable for hosting PV panels. Considering only this optimal area, multi-crystalline PV panels with an inclination of 17° yield the highest annual electricity output (2333.11 MWh/year). Based on this configuration, a sensitivity analysis is then performed to study the effects of feed-in tariffs (FITs) and the cost of components in the system outcomes. It is observed that with FITs less than those applied to large-scale PV projects in Algeria (0.11 $/kWh), the analyzed GCR-PV system has fulfilled high self-sufficiency, reaching grid parity (COE 0.043 $/kWh) and exporting significant amounts of electricity to the grid. Accordingly, the feasibility of the developed approach and the techno-economic viability of the GCR-PV system are both demonstrated.
Citation
Mokhtara, C., Negrou, B., Settou, N., Bouferrouk, A., & Yao, Y. (2021). Optimal design of grid-connected rooftop PV systems: An overview and a new approach with application to educational buildings in arid climates. Sustainable Energy Technologies and Assessments, 47, Article 101468. https://doi.org/10.1016/j.seta.2021.101468
Journal Article Type | Article |
---|---|
Acceptance Date | Jul 11, 2021 |
Online Publication Date | Jul 19, 2021 |
Publication Date | Oct 1, 2021 |
Deposit Date | Jul 26, 2021 |
Publicly Available Date | Jul 20, 2022 |
Journal | Sustainable Energy Technologies and Assessments |
Print ISSN | 2213-1388 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 47 |
Article Number | 101468 |
DOI | https://doi.org/10.1016/j.seta.2021.101468 |
Keywords | Energy Engineering and Power Technology; Renewable Energy, Sustainability and the Environment |
Public URL | https://uwe-repository.worktribe.com/output/7581386 |
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Optimal design of grid-connected rooftop PV systems: An overview and a new approach with application to educational buildings in arid climates
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http://creativecommons.org/licenses/by-nc-nd/4.0/
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http://www.rioxx.net/licenses/all-rights-reserved
Copyright Statement
This is the author's accepted manuscript. The final published version is available here: https://doi.org/10.1016/j.seta.2021.101468
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