Table 7 Investment costs by sector of the biorefinery, internal rate of return and net present value
From: Bioelectricity versus bioethanol from sugarcane bagasse: is it worth being flexible?
Sector | Cost (106 USD) | ||
|---|---|---|---|
BioEE | BioEth | Flex | |
Sugarcane reception, preparation and milling | 38.5 | 38.5 | 38.5 |
Combined heat and power plant | 50.2 | 42.9 | 50.2 |
Fermentation, distillation and tankage | 30.8 | 35.4 | 35.4 |
Sugarcane juice treatment | 23.1 | 23.1 | 23.1 |
Piping, general tankage and valves | 15.4 | 15.4 | 15.4 |
Licenses, project and ground leveling | 7.7 | 7.7 | 7.7 |
2G (pre-treatment, hydrolysis and C5 fermentation) | 0 | 9.6 | 9.6 |
Total | 165.8 | 172.7 | 180.0 |
IRR * | 7.6% | 8.3% | 8.0% |
NPV (10 6 USD) * | -34.5 | -30.0 | -41.8 |