Caboolture Landfill Gas Project

Caboolture Landfill Gas Project is a waste sector project located at the Caboolture Waste Management Facility on McNaught Road, approximately 50km north of Brisbane, Queensland. Registered in July 2015, the project operates within the boundary of the active landfill site managed by the City of Moreton Bay (formerly Moreton Bay Regional Council). The wider Caboolture region is a mix of urban residential and light industrial land use, transitioning into peri-urban agriculture known for strawberry farming and grazing.

Landfill gas projects under the Carbon Credits (Carbon Farming Initiative, Landfill Gas) Methodology Determination 2015 involve the installation of gas collection systems (wells and pipes) to capture methane generated by decomposing organic waste. This captured gas, which would otherwise vent into the atmosphere as a potent greenhouse gas, is combusted via flaring or electricity generation to convert the methane into less harmful carbon dioxide.

The environment in this coastal lowland region is sub-tropical, characterized by high, summer-dominant rainfall. The local soil composition is typically variable, consisting of sandy loams and clays common to the coastal alluvial plains of South East Queensland.

An interesting feature of this project is its partnership with LGI Limited, which designed and operates a 2.1 MW renewable power station on the site. Commissioned around 2018, this facility generates enough electricity to power approximately 7,000 homes. Notably, the site was used to pioneer LGI's "Siloxane Removal System" (SRS), a technology designed to remove harmful silicon compounds from biogas to protect generator engines and improve efficiency.