The formalandlegalrequirementsaswellasthesupportsystemforbuildingagriculturalbiogasplants
in Polandhavebeenpresented.Therearecurrently24agriculturalbiogasplantsoperatinginPoland.
The fermentationsubstratesareslurry,foodwasteandmaizesilage.Itismostoftenmesophilic
fermentation.Producedbiogasiscombustedincogenerationandthusobtainedelectricalandthermal
energy isusedforthebiogasplant’sownneedsandsold.Thesupportsystemforbiogasplants’
operationinPolandisbasedonasystemofcertificates.Inthissystemitiscost-effectivetousewaste
for fermentationwhilstitisnotcost-effectiveforabiogasplanttorunonmaizesilage.Ithasbeen
calculatedthatinPolandthetheoreticalannualbiogaspotentialforcattleslurryis3646millionm3, for
pig slurryitis2581millionm3, forpoultrymanureitis717millionm3, frommaizeafterseedharvestit
is 1044millionm3, frommunicipalwastebiofractionitis100millionm3 of biogas.