. Author manuscript; available in PMC: 2019 Apr 26.

Published in final edited form as: Energy Sustain Dev. 2018 Jun 30;46:11–22. doi: 10.1016/j.esd.2018.06.008

Table 5:

Breakdown of biodigester size and capacity (subsidy remains fixed) (NBP, 2011)

Plant size	4 m³	6 m³	8 m³	10 m³	15 m³
Estimated cost (USD)	400	470	550	625	890
Dung requirements	20–40	40–60	60–80	80–100	100–150
[kg/day]
Estimated gas production (m³/day)	0.8–1.6	1.6–2.4	2.4–3.2	3.2–4.0	4.0–6.0
Estimated fuel wood saving (kg/day]	4–8	8–12	12–16	16–20	20–30