Solar Insolation Modelling Applications The measurements of solar energy in Slovenia are only available for a few meteorological stations. We • evaluation of locations for solar power plants therefore calculated the amount of received solar • assessment of solar power plant profitability energy for the whole Slovenia with our own algo- • viability of placement of the solar domestic water heating rithms that are based on physical laws and incorpo- panels rate detailed information about the terrain and • estimation of optimal orientation of solar panels ground albedo. This way we obtained solar insola- Benets tion maps for every month and for the whole year. • very high temporal and spatial accuracy of the results We also calculated the optimal orientation of solar • calculations are tailored for a particular building panels at individual location. The maps are freely • models incorporate effects of nearby vegetation and other available on the internet (gis.zrc-sazu.si/zrcgis). factors, which inuence insolation For high-precision insolation mapping we use advanced algorithms based on detailed models of buildings. Vipava Slap ca Dobec ni We modelled the insolation U Gradišče pri Vipavi Ivanje selo Lože Gorenje Planina Bukovje Studeno Unec Manče Belsko received by a ground surface for Predjama Rakek Poreče ica R Cerknica the entire country. We also Podnanos šč Zagon a Šmihel pod Nanosom no k a N M o Lozice Hrašče č Dolenje Jezero iln Hrenovice produce highly detailed city ik Postojna Dilce Griže Hruševje models so that we can Razdrto Orehek Rakitnik Dolenja vas Prestranek accurately determine the Senožeče P Slavina iv optimal position and orientation k a Selce Petelinje of solar panels on roofs of Divača Trnje Dolnje Ležeče Pivka Klenik Palčje Kal individual buildings, taking into Gornja Košana Jurišče Famlje Neverke Parje Lokev Matavun account vegetation, chimneys, Kačiče-Pared Re Barka ka Narin Zagorje Bač Rodik roof windows, and other Ostrožno Brdo Knežak Koritnice obstacles..