Household biodigester
The core system at the household.
In progress · Sirajganj + Bogra
Green Flame
Livestock waste becomes cooking fuel.
Current progress
About 300 installations were reported.
By June 2026, Phase I had contracted 400 household systems. Current function and household use are being followed up separately.
Sirajganj
200
planned systems
Bogra
200
planned systems
Household loop
Waste to fuel. Nutrients back to the farm.
A household biodigester links cooking energy with the farm around it.
Organic input
Livestock and household organic material.
Biodigester
A sealed system produces biogas.
Cooking energy
Biogas feeds the household stove.
Farm nutrients
Digestate can return to agricultural use.
Phase I
What the programme puts in place.
Installation and commissioning
Set up and checked for use.
After-sales service
A repair path when systems need attention.
Digestate use
A route for nutrients back to the farm.
Field view
A household system in daily life.
What matters now
Keep the systems useful.
The next test is sustained household use.
Working systems
Keep gas flowing over time.
Regular use
Keep biogas part of everyday cooking.
Reachable repair
Keep service within reach.
Useful digestate
Keep nutrients moving back to the farm.
Next
The work now is to make it last.
Keep systems working, keep repairs within reach, and learn from how households use them.
Evidence notes
Phase I: signed City Bank Project Green Flame agreement and Annexure 1, October 2025. It establishes 400 household systems, with 200 planned in Sirajganj and 200 in Bogra.
June 2026: the latest supplied project update reports approximately 300 installations. Field follow-up is tracking current function and household use.
Biogas: household-biogas and bio-fertiliser context is consistent with IDCOL's biogas programme context and Cultivera's related biogas analysis.