The potential of wood biomass could include the wood biomass from forests, wood biomass from agricultural areas and areas that are being afforestationed and wood remainders and waste wood from the wood industry. A realistic assessment of permanently disposable biomass is of vital importance for the owner of the energy or its consumer. The disposable potential is not dependent exclusively from the farm's natural conditions (altitude, terrain, etc.) and its other conditions (such as forest and agricultural areas, sawmill, etc.), but also from the preparation technology and usage of wood biomass (different types of wood pellets or classic firewood). Modern burning methods enable highly efficient usage of energy, minimum emissions of harmful su...