An energy audit of Carramar dairy farm in Womboota found significant savings could be made by renegotiating the electricity tariff for the property’s water pump, optimising the performance of its power-hungry plate cooler, recovering waste heat from the chiller and installing LEDs. Simple.

An energy audit of Skinner Partnership, a dairy operation in Dubbo, Central New South Wales, found that substantial savings could be made by upgrading pumps, installing a variable speed drive on the milk vacuum pump, and adding heat-recovery units to the dairy’s plant and vat washes.