Data and results of the research project carried out by the Insti- tuto de Ingeniería Energética (Institute of Energy Engineering, I.I.E.) from 2007 to 2009 in a GIS environment (Perpin ̃á, 2008; Perpin ̃aetal.,2009),withtheaimofdefiningageneralmethodology for the use of residual agricultural and forestry biomass to generate power, including the quantification and location of biomass, transport strategies, and presentation of graphic and statistical results. It should be noted that the information thus acquired on biomass distribution (t/ha), transport costs (D /t) and potential demand (ktoe) are used in this paper (see Table 1).