Abstract
A well known statistical method for the determination of solar energy available at ground level (HELIOSAT) is presented. The method makes use of satellite data. The data are provided by the geostationary satellite Meteosat. In the first step, a reference map of cloudinees index from satellite data is deduced from the time-sequence of satellite images. Next, is calculated the global solar irradiance from satellite and the global solar at ground, considering cloudinees index from satellite and respectively cloud cover measured at ground .The paper describes some preliminary activities related to the implementation of this method for the latitudes of Romania.
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