During the last few years the value of agricultural biogas plant sector has growth, the dynamic increase of biogas production has been observed. The approximate number of biogas plant in Germany is over 4000 installations, which is 7 000 times more than in Poland. In 2007 Poland took 19"1 place in biogas production per capita. Branch of economic activity, technological and social area and current precepts of the law are accountable for such a low result.