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Online data and tools for estimation of solar electricity in Africa: the PVGIS approach

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Résumé

We present interactive web tools for map-based query of a solar radiation database and for performance assessment of solar photovoltaic systems. The high-resolution geographic database covers the Mediterranean Basin, Africa and South-West Asia. Daily global irradiation was primarily computed from Meteosat satellite images by the Heliosat-2 method and stored in the HelioClim-1 database. From this database, long term monthly and yearly averages of global horizontal irradiation were derived for the period 1985-2004. Using the PVGIS method, based on the solar radiation model r.sun, interpolation of the clear-sky index and terrain shadowing, the original spatial resolution of HelioClim-1 database (15' x 15') was enhanced to 2 km x 2 km. A set of web tools was developed to query basic climatic and geographic data for a chosen location, and to estimate and optimize energy output from photovoltaic system at arbitrary inclination and orientation of modules. The PVGIS system can be accessed at http://re.jrc.ec.europa.eu/pvgis/pv/.
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Dates et versions

hal-00465775 , version 1 (23-07-2010)

Identifiants

  • HAL Id : hal-00465775 , version 1

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Marcel Suri, Thomas Huld, Ewan Dunlop, Michel Albuisson, Lucien Wald. Online data and tools for estimation of solar electricity in Africa: the PVGIS approach. 21st European Photovoltaic Solar Energy Conference and Exhibition, Oct 2006, Dresden, Germany. ⟨hal-00465775⟩
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