Research Article
Concentrated Solar Power and Photovoltaic Systems: A New Approach to Boost Sustainable Energy for All (Se4all) in Rwanda
Table 11
Economic evaluation between PV and CSP systems.
| | Indicator | PV | CSP |
| | LCOE (nominal) | 0.82 $/kWh | 16.89 ¢/kWh | | LCOE (real) | 0.24 $/kWh | 14.08 ¢/kWh | | Electricity bill without the system (year 1) | $474 | — | | Electricity bill with the system (year 1) | $175 | — | | Net saving with the system (year 1) | $298 | — | | NPV | $131,239 | — | | Simple payback period | 6 years | — | | Discounted payback period | 11.1 years | 25 years | | Net capital cost | $13,400 | $899,820,288 | | Loan | $13,400 | — | | Equity | $0 | $1,247,413,248 | | Capacity factor | — | 21.0% | | Annual water usage | — | 79,921 m3 | | Year IRR is achieved | — | 25 years | | Annual net electrical energy production | — | 505,789,536 kWh |
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