Table 6 Summary of annual monetary benefits from household biogas plant installation
From: Cost-benefit Analysis and Financial Viability of Household Biogas Plant Investment in South Ethiopia
Variable | Biogas plant size | |
|---|---|---|
6Â m3 | 8Â m3 | |
A. Annual monetary benefit from biogas energy (ETB) | ||
 1. Monetary benefit from replacing firewood consumption with biogas energy (ETB) | 3968 | 4209 |
 2. Monetary benefit from replacing kerosene consumption with biogas energy (ETB) | 2295 | 2422 |
B. Annual monetary benefit from bio-slurry (ETB) | ||
 1. Monetary benefit from saving cost for buying chemical fertilizer, DAP (ETB) | 2303 | 2379 |
 2. Monetary benefit from saving cost for buying chemical fertilizer, urea (ETB) | 1245 | 1630 |
Total annual monetary benefit from biogas plant installation (ETB) [A + B] | 9811 | 10,640 |