Research Article
Utilization of Rooftop Solar Units to Generate Electricity and Hydrogen: A Technoeconomic Analysis
Table 4
Present worth and annualized value of all costs over 20 years.
| Component | Net present costs ($) | Annualized costs ($/yr) | Capital | Replacement | O & M | Salvage | Total | Capital | Replacement | O & M | Salvage | Total |
| PV array | 12,792 | 0 | 3,715 | -10,217 | 6,290 | 282 | 0 | 82 | -225 | 139 | Storage | 3,200 | 6,054 | 906 | 0 | 10,160 | 71 | 134 | 20 | 0 | 225 | Converter | 600 | 1,720 | 453 | -1,629 | 1,144 | 13 | 38 | 10 | -36 | 25 | System | 16,592 | 7,774 | 5,074 | -11,846 | 17,594 | 366 | 172 | 112 | -261 | 389 |
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