Donnandale Farms is a dairy operation with 700 head of cattle, including 300 milking cows. The farm also crops a total of 1,700 acres of which 1,000 acres is cashcropped. Donnandale Farms has diversified their farm by adding a biogas system to their operation. This system is comprised of two anaerobic digesters (1,600m3 each), and a 500kW MWM generator. Manure and other organic materials are primary inputs to the biogas system. Electricity is sold to the electrical grid and heat recovered for the farm and biogas system.