Table 6.

Sensitivity analysis results for the four environmental impact categories

	Non biogas	With biogas
Environmental categories	Unchanged	Unchanged	Flaring of excess biogas	50% reduction in discharged digestate	Flaring of excess biogas and 50% reduction in discharged digestate
Climate change (kg CO2 eq.)	4.414	3.253	−0.339	−1.571	−5.163
Fossil depletion (kg oil eq.)	−2.861	−2.589	−2.589	−3.516	−3.516
Freshwater eutrophication (kg P eq.)	0.128	0.550	0.550	0.274	0.274
Marine water eutrophication (kg N eq.)	0.326	0.910	0.909	0.455	0.455