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Determining and analysing solar irradiation based on freely available data: A case study from Croatia (CROSBI ID 250267)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Gašparović, Iva ; Gašparović, Mateo ; Medak, Damir Determining and analysing solar irradiation based on freely available data: A case study from Croatia // Environmental development, 26 (2018), 55-67. doi: 10.1016/j.envdev.2018.04.001

Podaci o odgovornosti

Gašparović, Iva ; Gašparović, Mateo ; Medak, Damir

engleski

Determining and analysing solar irradiation based on freely available data: A case study from Croatia

The aim of this research was to determine the global horizontal irradiation (GHI) for the Republic of Croatia with the GRASS GIS r.sun module and to compare it with the values of solar irradiation obtained from satellite images, ground measurements and commercial providers. Since the results obtained from the r.sun module have no quality control, the accuracy assessment was made on ground solar irradiation measurements obtained from Baseline Surface Radiation Network stations (BSRN) and stations from the Meteorological and Hydrological Institute of Croatia (DHMZ). The differences in accuracy obtained by comparison with BSRN stations indicate a 3% higher accuracy of r.sun data compared to SoDa (Solar radiation data). The trend was also observed in the differences obtained by calculating the deviations from DHMZ stations (0.5%). Compared to the r.sun and SoDa data, MSG (Meteosat Second Generation) data have 24% (BSRN) and 26% (DHMZ) higher accuracy. The reason why r.sun and SoDa data have an advantage over MSG is the higher spatial resolution. Another important aspect of using solar energy compared to other renewable resources is that Croatia experiences an increase in electricity consumption due to tourism and imports approximately 200 GWh in the summer months when the GHI value is up to 5 times higher compared to in the winter period. It can be concluded that using solar energy can significantly reduce the need for electricity imports in Croatia and ensure sustainable environmental development.

GIS ; solar potential ; global horizontal irradiation ; energy planning

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Podaci o izdanju

26

2018.

55-67

objavljeno

2211-4645

2211-4645

10.1016/j.envdev.2018.04.001

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