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Optimization of photovoltaic water pumping systems for date palm irrigation in the Saharan regions of Algeria: increasing economic viability with multiple-crop irrigation
Centre de Développement des Energies Renouvelables, CDER, BP 69 – Route de l’Observatoire, Bouzareah, Algiers, Algeria.
Mälardalen University, School of Business, Society and Engineering, Future Energy Center.ORCID iD: 0000-0002-1351-9245
2021 (English)In: Energy, Ecology and Environment, ISSN 2363-7692, Vol. 6, no 4, p. 316-343Article in journal (Refereed) Published
Abstract [en]

The Saharan regions of Algeria, which represent almost 90% of the total area of the country, have severe energy problems due to insufficient or lack of energy access. The sustainable development of those areas must aim at securing and increasing primary production, especially in the agricultural and pastoral sectors. The production itself depends on the supply of water available at great depths. However, the potential volumes of water pumped by photovoltaic water pumping systems are generally greater than the annual requirements for crop irrigation. In this study, we optimized the photovoltaic array, the storage tank and efficient use of the water produced by the pumping system for the irrigation of one hectare palm grove. This excess water produced was reduced by a judicious association by planting other crops (tomato, wheat and sweet pepper). The utilization rate has been improved from 56% to 86%, on the one hand. On the other hand, the impact of the yield and the prices on the economic viability was studied. The project is economically viable for a price per kg of date of 500.00 DA and a yield varying from 20 to 50 kg/tree, and the payback period varies from 3.34 to 1.22 years. The project is not economically viable for a price per kg of date of 100.00 DA/kg for a yield less than or equal to 30 kg/tree. A sensitivity analysis has shown that the photovoltaic water pumping system becomes more competitive than conventional diesel water pumping systems for diesel price beyond 53.98 DA/l (0.38 €). The results are very encouraging for the wide use of photovoltaic water pumping systems for multiple-crop irrigation in the Saharan regions. 

Place, publisher, year, edition, pages
Joint Center on Global Change and Earth System Science of the University of Maryland and Beijing Normal University , 2021. Vol. 6, no 4, p. 316-343
Keywords [en]
Life cycle cost, Loss of power supply probability, Optimal configuration, Payback period, Photovoltaic water pumping systems
National Category
Water Engineering Energy Systems
Identifiers
URN: urn:nbn:se:mdh:diva-52397DOI: 10.1007/s40974-020-00195-xISI: 000664125000004Scopus ID: 2-s2.0-85094157167OAI: oai:DiVA.org:mdh-52397DiVA, id: diva2:1499909
Available from: 2020-11-10 Created: 2020-11-10 Last updated: 2021-11-05Bibliographically approved

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Campana, Pietro Elia

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