Table 5 Investment feasibility analysis of compressed biomethane gas plants
From: The financial feasibility of compressed biomethane gas application in Thailand
Indicators | FIRR (%) | NPV (MTHB) | PP (year) | Cost per unit (THB/kg) |
|---|---|---|---|---|
Case 1: No price subsidy from government | ||||
3 tons/day | 7.97 | 5.35 | 9.28 | 14.65 |
6 tons/day | 10.12 | 20.32 | 8.38 | 14.22 |
12 tons/day | 25.13 | 169.27 | 4.15 | 12.45 |
24 tons/day | 28.44 | 267.43 | 3.58 | 12.26 |
Case 2: Subsidy from the government at 20% of the total investment | ||||
3 tons/day | 11.64 | 19.69 | 7.53 | 14.02 |
6 tons/day | 14.09 | 38.07 | 6.29 | 13.67 |
12 tons/day | 31.83 | 191.90 | 2.99 | 12.15 |
24 tons/day | 35.83 | 297.07 | 2.68 | 11.99 |
Case 3: Subsidy from the government at 30% of the total investment | ||||
3 tons/day | 14.08 | 26.86 | 6.28 | 13.70 |
6 tons/day | 16.76 | 46.94 | 5.61 | 13.39 |
12 tons/day | 36.52 | 203.22 | 2.63 | 12.01 |
24 tons/day | 41.04 | 311.90 | 2.36 | 11.86 |