Unlocking Sydney's renewable gas potential

The City of Sydney may have hit the statewide resource recovery target of 66% two years early, but it is not resting on its laurels. Instead, it wants to do more with the remaining 34% of non-recyclable waste that is being sent to landfill. Its Advanced Waste Treatment Master Plan explores how the waste-derived gas can be injected itito the gas grid to fuel local energy generation or transport networks, killing two birds with one stone - meeting the city's energy needs and diverting waste from landfill. The plan seems sound. After all, landfill costs have increased 300% in the past decade and landfill levies are projected to exceed $400 a tonne by 2030. In addition, four landfills sites operating near the city will close within the next few years