Gipuzkoa Environmental Complex in Zubieta (GHK 2) for the composting and biomethanisation of the organic fraction of municipal solid waste, and the treatment and maturation of the slag produced in the phase 1 energy recovery plant.

• Capacity treatment FORM 40,000 t/year
• Capacity treatment slag 52,000 t/year
• Composting capacity 4,750 t/year
• Quantity of biogas generated 650 Nm3/hour