Waste-to-Energy Biogas Master

Convert organic waste (ton/day) into biogas (m³/day), electricity & heat (kWh), and estimate energy + CO₂ reductions with smart defaults and a printable report.

Stepper

Waste type

Facility / project name
Shown on the printed report.
Currency
Waste stream i
Estimate mode i

Quantity & operating days

Organic wasteton/day
Enter the average daily waste available for conversion.
Operating daysdays/year
Used for annual CO₂ and savings.

Conversion system & yield

System type i
Biogas yield m³/ton
Default yield for the selected waste type. You can override it.
Yield range (screening)min / default / max
Ranges are indicative and depend on TS/VS, fats, pre-treatment, and process conditions.

Energy use & offsets

Energy output mode i
Displaced energy / fueli
Electricity conversionkWh/m³
Screening default. Real output depends on engine efficiency and gas quality.
Heat conversionkWh/m³
Screening default. Real heat recovery depends on demand and equipment.
Emission factorkgCO₂/kWh
Editable. Use local grid factor or fuel-specific factors for accurate reporting.
Energy price (optional)USD/kWh
If provided, the report estimates annual cost savings.

Results & report

This tool provides screening estimates for planning. For design-grade engineering, validate with TS/VS lab data, methane %, digester sizing, HRT/OLR, and equipment efficiencies.

FAQ & Related

Guidance

FAQ

Are the biogas yields accurate for my site?
They are screening defaults. Real yields depend on TS/VS, methane content, fats/proteins, temperature, HRT/OLR, mixing, and contamination. Replace with lab-based methane potential for design-grade sizing.
Why does SLR / recovery show lower output?
Recovery projects are limited by practical capture and utilization efficiency. In Advanced mode, the model applies a capture efficiency multiplier to reflect leaks and operational constraints.
Can I use different CO₂ factors for electricity and heat?
This version uses one factor for the selected displaced energy. For audited reporting, split factors (grid for electricity and gas for heat) and document the boundaries.
How do I interpret "Both (electricity + heat)"?
It sums both screening outputs. In real CHP projects, total useful energy depends on simultaneous heat demand and heat recovery design (otherwise heat may be wasted).

Related articles

Biogas upgrading: Membrane vs Water Scrubbing
Cost drivers, purity, and OPEX/CAPEX tradeoffs.
Sewage sludge energy recovery
Pathways to turn wastewater sludge into usable energy.
Hydrogen vs biogas furnaces (industry)
What changes when switching industrial furnaces to biogas.

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