Energy calculations

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GRASS GIS and solar energy calculations

Documents in English

  • GRASS4LEED: Building geospatial support for Leadership in Environmental and Energy Design. (
  • Photovoltaic Geographical Information System (PVGIS, based on r.sun) (
  • Solar Lab tutorial
  • Hofierka, J & Šúri, M, 2002: The solar radiation model for Open source GIS: implementation and applications, Proceedings of the Open source GIS - GRASS users conference 2002 - Trento, Italy, 11-13 September 2002, PDF
  • Huld, T. A., Šúri, M., Dunlop, E. D., 2003: GIS-based Estimation of Solar Radiation and PV Generation in Central and Eastern Europe on the Web. 9th EC-GI&GIS Workshop, A Coruña (Spain), 25-27 June, PDF
  • Šúri, M., Huld, T. A., Dunlop, E. D., Hofierka, J. (2007): Solar resource modelling for energy applications. In: Peckham R.J., Jordan G. (eds.) Digital Terrain Modelling, Development and Applications in a Policy Support Environment, Series: Lecture Notes in Geoinformation and Cartography, Springer, pp. 259-273, ISBN: 978-3-540-36730-7
  • Hofierka, J. Solar radiation in the Slovak republic, PDF
  • Hofierka, J., Kaňuk, J. (2009): Assessment of Photovoltaic Potential in Urban Areas Using Open-Source Solar Radiation Tools. Renewable Energy. In Press.
  • ISIS: International Solar Information Solutions. Solar analyses using GRASS, based largely on the work done for PVGIS (
  • Search for GRASS GIS energy in Google Scholar

Documents in Italian

  • Mondogis N. 61 (luglio/agosto 2007): Il portale energetico sulle energie rinnovabili per la città di Laives PDF (GRASS, PostGIS)
  • Paolo Zatelli. Valutazione di radiazione solare diretta su falde di tetti inclinati con GRASS. IX Meeting degli Utenti Italiani di GRASS GIS-GFOSS. (

GRASS GIS modules

Renewable energy including biomass or hydropower

Overview computes the residual energy potential of different renewable energies like biomass or hydropower. The tool is organized in the modules and for which are composed of several programs considering different limits (e.g. theoretical, recommended, legal, technical, ecological and economic constraints). These different scenarios can be compared so that the residual energy potential and the suitable places for constructing a new power plant can be identified.

Documents in English

  • F Geri, S Sacchelli, I Bernetti and M Cioll, 2018. Urban-Rural Bioenergy Planning as a Strategy for the Sustainable Development of Inner Areas: A GIS-Based Method to Chance the Forest Chain. - In: A. Bisello et al. (eds.), Smart and Sustainable Planning for Cities and Regions, Green Energy and Technology,

GRASS GIS modules

  • Computes the residual energy potential of different renewable energies like biomass or hydropower.

Helper tool:


Ground Source Heat Pump