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Summary of discounted payback period along with net present value based on the different pricing of methane per m3.
| Methane price/m3 | $0.22 | $0.26 | $0.30 | $0.34 | $0.39 |
| Discounted payback period | > 10 years | > 10 years | 9.65 years | 7.71 years | 6.18 years |
| NPV | − 2421.83 | − 1120.61 | 180.61 | 1481.83 | 3108.35 |
