Sustainability Precincts FAQs
How big is a typical Precinct?
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A Precinct’s capacity is scaled to align with the waste generated in the community. Precincts can add more HPAG units to match supplied waste generated and manufactured product demand.
With typical Australian households generating around 1 tonne of waste per year Precincts are scaled upwards from 20,000 tonnes of waste each year, or from populations of around 40,000 people. The building footprint at this size would be approximately 2,000 m², a half-acre, or the size of a small warehouse. Local zoning requirements would dedicate the size of the buffer zone required, remembering that the process is largely self-contained and gas volumes are around 70% lower than with incineration.
How long does construction take?
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Once approvals are secured, Precincts can be delivered within 12 to 18 months, with the offsite equipment manufacture, modular design and assembly allowing faster installation, staged growth and earlier commissioning as compared to traditional large-scale infrastructure.
What are the costs involved with each Precinct?
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Capital requirements vary by site, processing capacity, access to renewable power and the intended product mix. Typically, Precinct capital expenditure on a $ per ton of greenhouse gas saved is comparable to solar and lower than incineration.
Projects involve an upfront component for the equipment and precinct infrastructure, followed by operational costs for renewable energy, staffing, maintenance and feedstock handling. The modular design allows capacity to be phased upwards over time, enabling precincts to scale as demand for hydrogen and X-products increases.
Who owns the Precincts?
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Xseed Solutions provides the technology platform. Ownership can sit with councils, state or federal governments, private investors or a joint venture structure. Councils benefit through lower waste-management costs, while governments could offset the natural reduction in the level of landfill levies and diesel excise collected through taxes and Precinct dividends.
Where will the first Sustainability Precinct be developed?
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The first Sustainability Precinct in either Australia or New Zealand has been greenlit for Gippsland, Victoria. More news on its development will be released in 2026. Other projects are being developed across Europe.
We welcome discussions with councils, governments, industry partners and investors interested in developing Sustainability Precincts or understanding how the technology can support local waste, energy and emissions goals. Xseed Solutions can provide technical briefings, project scoping support and partnership pathways.
Enquiries can be directed through our website: xseed.solutions