Research Article
Utilization of Rooftop Solar Units to Generate Electricity and Hydrogen: A Technoeconomic Analysis
Table 6
Present worth and annualized value of all costs over 40 years.
| Component | Net present costs ($) | Annualized costs ($/yr) | Capital | Replacement | O & M | Salvage | Total | Capital | Replacement | O & M | Salvage | Total |
| PV array | 12,792 | 72,567 | 18,843 | -83,203 | 20,999 | 56 | 316 | 82 | -362 | 92 | Storage | 3,200 | 42,918 | 4,596 | 0 | 50,714 | 14 | 187 | 20 | 0 | 221 | Converter | 600 | 6,650 | 2,298 | -3,316 | 6,232 | 3 | 29 | 10 | -14 | 28 | System | 16,592 | 122,135 | 25,737 | -86,519 | 77,945 | 73 | 532 | 112 | -376 | 341 |
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