Your Biomethane Development Pathway, VIC
Published 2026-10-25
This brief assesses the transition from raw manure to a modelled 882 Nm³/day of biomethane. The preferred next investigation is the physical feedstock collection efficiency and gas network proximity. Commercial viability is not established as CAPEX and offtake terms remain unknown. Changes in housed animal hours or local network injection hurdles could pivot the candidate route toward electricity or BioLNG. The immediate action is to screen the site for pipeline access versus onsite consumption.
Action plan
Confidence 0%
First: Validate feedstock tonnage and collection efficiency from the 1,000-cow herd. Next: Screen site for gas network proximity versus electricity grid connection viability. Then: Engage EPA Victoria to confirm the permission pathway (A07a/A07b) and digestate requirements. Decision gate: Commercial viability not established; next task is to secure CAPEX estimates and offtake interest.
Developing this pathway in VIC
Confidence 0%
The Victorian market context includes 133 public registry records for renewable gas, with 7 matching this specific pathway (6 reporting a total of 56.1 MW capacity). Active regional operators include Nova Power and Yarra Valley Water, indicating established local precedents for anaerobic digestion. However, individual project status does not prove feedstock availability for new entrants.
Determine EPA Victoria permission category
- Why it matters for you: Regulatory compliance depends on waste volume and processing scale; incorrect classification delays the development timeline.
- Evidence needed: Confirmation of whether the project falls under A07a (large) or A07b (small) organic waste processing categories.
- Next action: Submit a pre-application enquiry to EPA Victoria referencing the modelled daily throughput.
- Who confirms it: EPA Victoria (referencing VIC-2, VIC-3, VIC-4).
Verify digestate management requirements
- Why it matters for you: Digestate is a significant byproduct that requires specific handling and may offer land-application benefits or disposal costs.
- Evidence needed: Nutrient analysis of modelled digestate and a land-application plan compliant with Victorian regulations.
- Next action: Review Victorian digestate management guidelines to determine if current land-holding can absorb the output.
- Who confirms it: EPA Victoria (referencing VIC-5).
Project Objective and Scenario
Confidence 0%
As a resource-owner, your objective is to investigate the conversion of manure from 1,000 fully housed dairy cows into biomethane within Victoria. Based on deterministic model outputs (ecosystem-1.0.0), this herd size equates to a potential production of 882 Nm³/day of biomethane over 346.75 operating days per year. It is important to note that herd size alone does not establish available feedstock; actual manure collection rates and volatile solids content are currently assumed rather than verified. Alternative candidate routes include electricity (2,415 kWh/day) or BioLNG (625 kg/day). While 1,068 kg/day of recoverable CO₂ is modelled, this does not imply saleable mass or commercial demand. The project is currently at the early screening stage with site-specific network injection capacity and infrastructure costs unresolved.
Commercialisation screen
Confidence 0%
Commercial viability not established. The current model excludes CAPEX, OPEX, and certificates, which are essential for a final investment decision. While east-coast wholesale gas prices provide context, bulk biogenic CO₂ and hydrogen buyer prices are not verified by Shelby and should not be used for revenue forecasting.
Secure offtake and commercial terms
- Why it matters for you: Without a verified buyer or injection agreement, the project lacks a revenue stream to offset infrastructure costs.
- Evidence needed: A non-binding Letter of Intent (LOI) from a gas retailer or industrial user and a firm CAPEX quote for the digester and upgrading plant.
- Next action: Market soundings with Victorian gas retailers to establish interest in green gas certificates or physical molecules.
- Who confirms it: Commercial Director / Energy Procurement Lead.
Quantify parasitic load and net energy
- Why it matters for you: The plant requires energy to operate; 2,415 kWh/day is the gross modelled output, not the net saleable electricity.
- Evidence needed: Detailed engineering specification for the selected conversion technology showing internal energy consumption.
- Next action: Request technical datasheets from technology providers for a candidate anaerobic digestion unit.
- Who confirms it: Conversion Technology Supplier.
Your next pathway decisions
Confidence 0%
The primary candidate route is biomethane injection, yet the distinction between gas and electricity infrastructure is critical. A modelled output of 882 Nm³/day of biomethane does not guarantee network injection capacity. Alternative pathways like electricity generation may be more viable if the distance to a gas tie-in is prohibitive, though net electricity after parasitic load is unknown.
Assess feedstock recovery and transport
- Why it matters for you: Modelled gas volumes rely on 1,000 housed cows; any reduction in housing time or collection efficiency directly reduces daily gas yield.
- Evidence needed: Audited manure collection data and laboratory methane potential (BMP) testing of the specific dairy waste stream.
- Next action: Conduct a feedstock audit to determine the actual tonnage delivered to the anaerobic digester versus the theoretical herd output.
- Who confirms it: Operations Manager or agricultural consultant.
Screen gas injection versus onsite electricity
- Why it matters for you: Electricity MW is never gas volume; gas connection requires specific pipeline infrastructure which may not exist near the dairy site.
- Evidence needed: A geospatial assessment of the nearest gas transmission or distribution pipeline and its available injection capacity.
- Next action: Map the site location against Victorian gas network assets to identify the most likely injection point or onsite use case.
- Who confirms it: Network Service Provider (e.g., AGIG as per VIC-6 example).
Frequently asked questions
Does the 882 Nm3/day output account for gas lost during upgrading?
The value is a modelled output for biomethane; however, actual recovery efficiency depends on the specific upgrading technology selected.
Can I sell the 1,068 kg/day of CO2 mentioned in the model?
This figure represents recoverable mass, not saleable product. Commercial demand and purification costs for biogenic CO2 in Victoria are not yet verified.
Is a gas connection the same as an electricity connection?
No. They use different infrastructure and have different regulatory requirements. A gas injection point must be specifically screened.
Does this assessment include government grants or LGCs?
No. Certificates and funding are excluded from this base case to focus on fundamental resource and route viability.
Sources & References
Pre-feasibility research only, not engineering, financial or legal advice or a guarantee of supply, demand or price.
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