6.1. Excluding factors

If only one of the following criteria is evident, then the dissemination of simple household biogas plants is not possible (As an exception, suitable farms in the region could allow individual measures under some circumstances.)

- too cold or too dry region
- very irregular or no gas demand
- less than 20 kg dung/day available to fill the plant or less than 1,000 kg live weight of animals per household in indoor stabling or 2,000 in night stabling.
- no stabling or livestock in large pens where the dung cannot be collected
- no building materials available locally
- no water available
- integration of the biogas plant into the household and farm routines not possible
- no suitable institution can be found for dissemination