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Influence of aerosols on photovoltaic power in Ghana: Case study from Koforidua

  • West Africa has great potential for the use of solar energy systems, as it has both a high solar radiation rate and a lack of energy production. West Africa is a very aerosol-rich region, whose effects on photovoltaic (PV) use are due to both atmospheric conditions and existing solar technology. This study reports the variability of aerosol optical properties in the city of Koforidua, Ghana over the period 2016 to 2020, and their impact on the radiation intensity and efficiency of a PV cell. The study used AERONET ground (Giles et al., 2019) and satellite data produced by CAMS (Gschwind, et al., 2019), which both provide aerosol optical depth (AOD) and metrological parameters used for radiative transfer calculations with libRadtran (Emde, et al., 2016). A spectrally resolved PV model (Herman-Czezuch et al., 2022) is then used to calculate the PV yield of two PV technologies: polycrystalline and amorphous silicon. It is observed that for both data sets, the aerosol is mainly composed of dust and organic matter, with a very increased AOD load during the harmattan period (December-February), also due to the fires observed during this period.

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Document Type:Conference Object
Author:Stefanie Meilinger, Armelle Zemo Mekeng
Parent Title (English):EMS Annual Meeting 2022, 4-9 September 2022, Bonn, Germany
Article Number:286
Publisher:Copernicus GmbH
Publishing Institution:Hochschule Bonn-Rhein-Sieg
Date of first publication:2022/06/28
Copyright:© Author(s) 2022. This work is distributed under the Creative Commons Attribution 4.0 License.
Funding:Funding was provided by the German BMBF under contract 03SF0567A-.
Departments, institutes and facilities:Fachbereich Ingenieurwissenschaften und Kommunikation
Institut für Technik, Ressourcenschonung und Energieeffizienz (TREE)
Internationales Zentrum für Nachhaltige Entwicklung (IZNE)
Projects:CLIENT II - Verbundvorhaben EnerSHelf: Energieversorgung für Gesundheitseinrichtungen in Ghana; Teilvorhaben Entwicklung und Analyse technischer Lösungen im länderspezifischen politisch-ökonomischen Kontext (DE/BMBF/03SF0567A)
Dewey Decimal Classification (DDC):5 Naturwissenschaften und Mathematik / 55 Geowissenschaften, Geologie / 551 Geologie, Hydrologie, Meteorologie
Entry in this database:2022/07/18
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International