On-farm biogas flameClimate hero — muted loop: on-farm digester, flame, distribution pods.
Circular Energy & Carbon

Climate infrastructure,built where the waste is.

Decentralised biogas systems installed on farms and in rural communities—turning organic waste into clean energy, better soil, and measurable climate impact.

Run by local micro-entrepreneurs. Monitored on the cloud.

Dry crop residue and organic waste on a field

Waste becomes value.

Farm waste shouldn't be burned. Or left to rot.

Our biogas systems transform everyday organic waste into clean cooking fuel, organic fertiliser, and new income for rural communities.

Installed by us.

Operated by the community.

Financed by carbon.

More than a biodigester

Built for real farms. Designed for real conditions.

The digester system working on a real farmTechnology film — the digester system working on a real farm.
Crop residue, food waste, poultry litter, animal dung, and soil feedstocks

Beyond cow dung

Processes crop residues, food waste, poultry litter, animal dung, and other organic waste. Not dependent on cow dung alone.

Run as an enterprise

We install it. Local entrepreneurs run it.

  • Every project begins with a feasibility assessment and feedstock study.
  • Local partners help identify sites, communities, and entrepreneurs.
  • We don't just install systems. We build local businesses around them.
  • The waste is theirs. So is the value it creates.
Operator — field agent working with a farmer.
Operator — hands in living soil.
Operators on site at a community biogas plant.

What comes off the farm goes back into it.

Nutrient-rich bioslurry

The digestate is processed into a biofertiliser, improving fertility season after season.

Ready to use. Ready to sell.

Applied directly on the farm or packaged as a market-ready biofertiliser by local entrepreneurs.

Hands working nutrient-rich soil
Measured, not assumed

We built our own eyes on every unit.

Every digester is connected to our in-house monitoring platform.

  • Gas production
  • System uptime
  • Feedstock use
  • Operational performance

The data that operates the system is the same data that supports climate finance.

Sustainology Field Ops
Live from the field
128

Units online

642

Gas produced today

98.2%

Fleet uptime

Output — last 7 days
  • BG-0142AshantiNominal
  • BG-0087Bono EastNominal
  • BC-0031VoltaCuring
  • BG-0119NorthernNominal

Interface shown with illustrative data.

Every digester reduces emissions where they begin.

  • Methane captured before it escapes into the atmosphere.
  • Firewood and charcoal replaced with clean biogas.
  • Smoke removed from the kitchen.
  • Less pressure on forests.
Dignified real kitchen — warm, not grim; full-bleed break.

The same system improves the atmosphere and the household.

Warm, dignified home cooking — non-graphic.
In the home

A clean flame removes the daily smoke exposure linked to some of Africa's deadliest diseases.

Cooking with firewood and charcoal is associated with pneumonia, stroke, heart disease, COPD, and lung cancer.

Women and children bear the greatest burden.

Replacing smoky cooking with clean biogas removes the problem at its source.

One community digester

What a single unit gives back.

377

people connected to clean cooking energy.

38,400

hours of women's time returned every year

143

children removed from daily cooking smoke

~4,600

tCO₂e emissions reduced over its lifetime

511,000

kg of organic waste converted into energy and fertiliser every year

117,000

kg of fuelwood spared every year