Energy generation using renewable energy sources is one of most significant priorities in energy policy of European Union. This way EU attempts to mitigate negative impact on environment from energy sector by reduction of CO2 emissions; and reduce economic dependence on fuel import from third-party countries. This is important issue due to the growth of oil and natural gas prices. Biomass fuel is one of renewable energy sources the use of which stimulates development of local economics and creates new jobs. Besides, the use of RES forms possibilities to ensure security of energy supply via diversification of energy sources.